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Asteroid 4420 Alandreev

Alternate IDs:
1987 DY1, 1958 TL, 1971 OD1, 1936 PB, 1949 OB, 1971 QB, 1967 TD

Data sets with data for Asteroid 4420 Alandreev:

Asteroid 4420 Alandreev (top)

Asteroid Absolute Magnitudes V12.0 (1 data product)

ABSOLUTE VISUAL MAGNITUDE * IAU-adopted absolute V magnitude (H)
(MAGNITUDE) 		SLOPE PARAMETER * IAU-adopted slope parameter (G) SLOPE PARAMETER ORIGIN FLAG * Those slope parameters that were determined by fitting the IAU-adopted phase function to data are given an origin code letter of 'f' (for 'fitted'); all others are given a code letter of 'a' (for 'assumed'). MPC REFERENCE * Minor Planet Circular (MPC) or Minor Planet Orbit Supplement (MPO) reference
12.2 0.15 a MPC 28111

Asteroid 4420 Alandreev (top)

Asteroid Names and Discovery V12.0 (1 data product)

DISCOVERY DATE * Date of discovery of an object DISCOVERY LOCATION * Location where the discovery observation of an object was made DISCOVERER NAMES * The name(s) of the discoverer(s) of an object
1936-08-15 Simeis Neujmin, G. N.

Asteroid 4420 Alandreev (top)

NEOWISE Diameters and Albedos V1.0 (1 data product)

NEOWISE DIAMETER * NEOWISE best-fit effective spherical diameter, or assumed value if not fitted.
(KILOMETER) 		NEOWISE DIAMETER UNCERTAINTY * NEOWISE unceratinty in the best-fit effective spherical diameter, or assumed value if not fitted.
(KILOMETER) 		NEOWISE V ALBEDO * NEOWISE best-fit visible geometric albedo, or assumed value if not fitted. NEOWISE V ALBEDO UNCERTAINTY * NEOWISE uncertainty of the best-fit visible geometric albedo, or assumed value if not fitted. NEOWISE THERMAL BEAMING PARAMETER * NEOWISE best-fit NEATM thermal beaming parameter, or assumed value if not fitted. NEOWISE THERMAL BEAMING PARAMETER UNCERTAINTY * NEOWISE uncertainty of the best-fit NEATM thermal beaming parameter, or assumed value if not fitted. NEOWISE REFERENCE CODE * NEOWISE reference code to the original publication of fitted parameters. See the refrence.tab in the dataset for the full reference
16.028 0.169 0.064 0.004 0.967 0.013 Mas11
17.518 0.175 0.032 0.009 0.981 0.010 Mas12
14.984 5.010 0.080 0.079 0.950 0.231 Nug15

Asteroid 4420 Alandreev (top)

NEOWISE Diameters and Albedos V2.0 (1 data product)

ABSOLUTE VISUAL MAGNITUDE * IAU-adopted absolute V magnitude (H)
(magnitudes) 		SLOPE PARAMETER * IAU-adopted slope parameter (G) OBSERVATION DATE * Date of observation
(day) 		NEOWISE DIAMETER * NEOWISE best-fit effective spherical diameter, or assumed value if not fitted.
(kilometer) 		NEOWISE DIAMETER UNCERTAINTY * NEOWISE unceratinty in the best-fit effective spherical diameter, or assumed value if not fitted.
(kilometer) 		NEOWISE V ALBEDO * NEOWISE best-fit visible geometric albedo, or assumed value if not fitted. NEOWISE V ALBEDO UNCERTAINTY * NEOWISE uncertainty of the best-fit visible geometric albedo, or assumed value if not fitted. NEOWISE THERMAL BEAMING PARAMETER * NEOWISE best-fit NEATM thermal beaming parameter, or assumed value if not fitted. NEOWISE THERMAL BEAMING PARAMETER UNCERTAINTY * NEOWISE uncertainty of the best-fit NEATM thermal beaming parameter, or assumed value if not fitted. NEOWISE REFERENCE CODE * NEOWISE reference code to the original publication of fitted parameters. See the refrence.tab in the dataset for the full reference
12.30 +0.15 2455237.8316080 16.028 0.169 0.064 0.004 0.967 0.013 Mas11
12.40 +0.15 2455420.3482870 17.518 0.175 0.032 0.009 0.981 0.010 Mas12
12.40 +0.15 2456828.5072040 14.984 5.010 0.080 0.079 0.950 0.200 Nug15
12.50 +0.15 2457222.7424787 13.182 3.738 0.073 0.061 0.950 0.200 Nug16
12.48 +0.09 2457394.0911508 15.419 4.003 0.066 0.049 0.950 0.200 Mas17


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