2008 QP31

2008QP31, 1999 TB295, 1999TB295, J99TT5B, K08Q31P, O1372

All data for this body: [vot]

MPC data
Name (number) 2008 QP31 (241372)
a 2.71658
e 0.26071
i / sin(i) 9.0835 / 0.15787
q 2.00833
Q 3.42483
ω 157.7300
Node 213.1379
m 250.0231
n 0.2201
Epoch 2460800.5
nobs 359
nopp 17
Years observed 1999-2025
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.716
ep 0.192
sin(ip) 0.161
G 0.150
H 16.430
Mass
D 3.80 0.665
pV 0.033 0.0148
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion -0.5200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7162 0.1919 0.1612 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.26 0.890 0.890 Masiero 2020PSJ.....1....5M NEATM
4.49 1.002 1.002 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.032 0.0155 0.0155 Masiero 2011ApJ...741...68M NEATM
0.050 0.0510 0.0510 Masiero 2020PSJ.....1....5M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

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