Ambartsumian

01905, 1932 FC, 1932FC, 1952 HO3, 1952HO3, 1959 QD, 1959QD, 1962 JX, 1962JX, 1969 PF, 1969PF, 1972 JZ, 1972JZ, 1976 SS5, 1976SS5, J32F00C, J52H03O, J59Q00D, J62J00X, J69P00F, J72J00Z, J76S05S

All data for this body: [vot]

MPC data

Name (number)	Ambartsumian (1905)
a	2.22325
e	0.16345
i / sin(i)	2.6179 / 0.04567
q	1.85986
Q	2.58664
ω	61.6883
Node	201.3318
m	336.9856
n	0.2973
Epoch	2460800.5

n_obs	5289
n_opp	38
Years observed	1932-2025
rms	0.66

Best values

	Value	Standard error
Parent

a_p	2.223
e_p	0.157
sin(i_p)	0.055
G	0.150
H	12.800
Mass
D	7.91	0.397
pV	0.232	0.0341

	Value
Rotational Period	92.150
Period quality	2
Spectral Class	S
Spectral Class Score	13.000

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.2234	0.1569	0.0554	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
7.04	1.590	1.590	Nugent	2016AJ....152...63N	NEATM
7.24	1.860	1.860	Nugent	2016AJ....152...63N	NEATM
8.01	0.420	0.420	Masiero	2012ApJ...759L...8M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.229	0.0370	0.0370	Masiero	2012ApJ...759L...8M	NEATM
0.250	0.1200	0.1200	Nugent	2016AJ....152...63N	NEATM
0.250	0.1300	0.1300	Nugent	2016AJ....152...63N	NEATM

G data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.15			MPC-2023-12-94	MPC-2023-12-94	Phot

H data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
12.80			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

Value	Quality	Side real or Synodic	Author	Reference	Method
5.33		Synodic	Erasmus	2019ApJS..242...15E	Lightcurve
92.153	2	Sidereal	Hanus	2013A&A...551A..67H	Model

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
S		1.000		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
S		1.000000		Bus-DeMeo	VIS	Erasmus	2019ApJS..242...15E	PHOT
S	S	None	None	Movis	NIR	Popescu	2018A&A...617A..12P	PHOT