1990 QQ8

1990QQ8, 15255, 1996 UE4, 1996UE4, J90Q08Q, J96U04E

All data for this body: [vot]

MPC data
Name (number) 1990 QQ8 (15255)
a 3.14994
e 0.16062
i / sin(i) 2.1583 / 0.03766
q 2.64400
Q 3.65589
ω 309.1864
Node 52.0522
m 303.4148
n 0.1763
Epoch 2460200.5
nobs 1348
nopp 23
Years observed 1990-2023
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.146
ep 0.137
sin(ip) 0.027
Value Standard error
G 0.150
H 14.240
Mass
D 9.47 0.455
pV 0.059 0.0111
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 602 Themis 0.0800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1458 0.1367 0.0272 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.02 3.040 3.040 Masiero 2020PSJ.....1....5M NEATM
9.48 0.460 0.460 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0590 0.0590 Masiero 2020PSJ.....1....5M NEATM
0.059 0.0113 0.0113 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
14.24 MPC-2023-12-04 MPC-2023-12-04 Phot