1999 RQ221

1999RQ221, 1998 FO107, 1998FO107, 42912, J98FA7O, J99RM1Q

All data for this body: [vot]

MPC data
Name (number) 1999 RQ221 (42912)
a 2.26862
e 0.13518
i / sin(i) 7.1566 / 0.12458
q 1.96194
Q 2.57530
ω 1.1458
Node 292.6387
m 244.6442
n 0.2884
Epoch 2460800.5
nobs 1373
nopp 21
Years observed 1994-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.269
ep 0.103
sin(ip) 0.133
G 0.150
H 15.710
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2692 0.1030 0.1331 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.71 MPC-2023-12-04 MPC-2023-12-04 Phot