1999 RQ61

1999RQ61, 1976 JO7, 1976JO7, 1998 FV22, 1998FV22, 40481, J76J07O, J98F22V, J99R61Q

All data for this body: [vot]

MPC data

Name (number)	1999 RQ61 (40481)
a	2.40067
e	0.12577
i / sin(i)	2.5655 / 0.04476
q	2.09874
Q	2.70259
ω	229.9187
Node	352.1000
m	61.6225
n	0.2650
Epoch	2460800.5

n_obs	1569
n_opp	22
Years observed	1976-2025
rms	0.78

Best values

	Value	Standard error
Parent	Nysa (44)

a_p	2.401
e_p	0.151
sin(i_p)	0.050
G	0.150
H	15.520
Mass
D	4.83	0.132
pV	0.063	0.0093

	Value
Rotational Period
Period quality	None
Spectral Class	C
Spectral Class Score	6.242

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
44	Nysa	405	Nysa-Polana	-0.2000	Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.4009	0.1507	0.0503	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
3.85	0.960	0.960	Masiero	2020PSJ.....1....5M	NEATM
4.85	0.133	0.133	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.062	0.0094	0.0094	Masiero	2011ApJ...741...68M	NEATM
0.090	0.0660	0.0660	Masiero	2020PSJ.....1....5M	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
15.52			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
B	C	0.2224	0.3630	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
B	C	0.3778	0.3630	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
C		0.29		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
C	C	0.2888	0.3630	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
C	C	0.6548	0.3630	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
X	C	0.0763	0.3630	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT