Rumyantsev

05495, 1972 RY3, 1972RY3, 1976 GP2, 1976GP2, J72R03Y, J76G02P

All data for this body: [vot]

MPC data

Name (number)	Rumyantsev (5495)
a	3.41516
e	0.05780
i / sin(i)	9.1856 / 0.15963
q	3.21777
Q	3.61255
ω	278.0070
Node	32.6955
m	167.1379
n	0.1562
Epoch	2460800.5

n_obs	6276
n_opp	26
Years observed	1972-2025
rms	0.55

Best values

	Value	Standard error
Parent

a_p	3.416
e_p	0.039
sin(i_p)	0.154
G	0.150
H	11.820
Mass
D	26.72	0.143
pV	0.077	0.0081

	Value
Rotational Period
Period quality	None
Spectral Class	L
Spectral Class Score	7.660

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
3.4162	0.0388	0.1537	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
21.60	4.320	4.320	Ali-Lagoa	2018A&A...612A..85A	NEATM
25.52	0.270	0.270	Masiero	2014ApJ...791..121M	NEATM
25.79	1.240	1.240	Usui	2011PASJ...63.1117U	NEATM
27.22	0.170	0.170	Masiero	2011ApJ...741...68M	NEATM
27.76	4.600	4.600	Tedesco	2002AJ....123.1056T	STM
32.53	6.510	6.510	Ali-Lagoa	2018A&A...612A..85A	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.039	0.0160	0.0160	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.083	0.0360	0.0360	Tedesco	2002AJ....123.1056T	STM
0.087	0.0118	0.0118	Masiero	2011ApJ...741...68M	NEATM
0.088	0.0350	0.0350	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.100	0.0200	0.0200	Masiero	2014ApJ...791..121M	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
11.82			MPC-2023-12-04	MPC-2023-12-04	Phot

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
D		0.41		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
L				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
L		0.373		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
L	L	0.5703	0.5700	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT