2001 QQ31

2001QQ31, 1992 OT8, 1992OT8, 2000 NX11, 2000NX11, 55015, J92O08T, K00N11X, K01Q31Q

All data for this body: [vot]

MPC data

Name (number)	2001 QQ31 (55015)
a	2.62913
e	0.19963
i / sin(i)	7.3720 / 0.12831
q	2.10427
Q	3.15398
ω	255.0984
Node	119.5410
m	193.1648
n	0.2312
Epoch	2460800.5

n_obs	3586
n_opp	20
Years observed	1992-2025
rms	0.68

Best values

	Value	Standard error
Parent

a_p	2.630
e_p	0.226
sin(i_p)	0.115
G	0.150
H	14.490
Mass
D	7.48	1.069
pV	0.057	0.0196

	Value
Rotational Period	13.758
Period quality	2
Spectral Class	C
Spectral Class Score	3.385

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.6297	0.2259	0.1152	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
7.04	1.750	1.750	Masiero	2020PSJ.....1....5M	NEATM
7.52	2.310	2.310	Nugent	2016AJ....152...63N	NEATM
7.60	2.000	2.000	Masiero	2020PSJ.....1....5M	NEATM
8.42	3.000	3.000	Masiero	2012ApJ...759L...8M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.050	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.057	0.0890	0.0890	Masiero	2012ApJ...759L...8M	NEATM
0.059	0.0350	0.0350	Masiero	2020PSJ.....1....5M	NEATM
0.068	0.0430	0.0430	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
14.49			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

Value	Quality	Side real or Synodic	Author	Reference	Method
13.7582	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
C		0.61		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
C	C	0.3608	0.2600	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
X	C	0.1095	0.2600	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
X	C	0.3014	0.2600	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT