2001 QD138

2001QD138, A9320, K01QD8D

All data for this body: [vot]

MPC data
Name (number) 2001 QD138 (109320)
a 2.72971
e 0.15326
i / sin(i) 9.0178 / 0.15674
q 2.31136
Q 3.14807
ω 11.3950
Node 335.5696
m 113.7065
n 0.2185
Epoch 2460800.5
nobs 1428
nopp 20
Years observed 1996-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.729
ep 0.101
sin(ip) 0.163
G 0.150
H 15.350
Mass
D 2.45 0.330
pV 0.295 0.0627
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 8.552
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion -0.7300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7289 0.1006 0.1633 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.45 0.330 0.330 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.295 0.0627 0.0627 Masiero 2011ApJ...741...68M 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
15.35 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.08 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.6121 0.6150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6199 0.6150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT