1997 WO21

1997WO21, 1991 RG29, 1991RG29, 26219, J91R29G, J97W21O

All data for this body: [vot]

MPC data
Name (number) 1997 WO21 (26219)
a 3.11375
e 0.18864
i / sin(i) 16.6095 / 0.28585
q 2.52637
Q 3.70113
ω 194.1027
Node 246.9118
m 241.1716
n 0.1794
Epoch 2460200.5
nobs 1929
nopp 24
Years observed 1953-2023
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent Tirela (1400)
 
ap 3.122
ep 0.196
sin(ip) 0.290
Value Standard error
G 0.150
H 13.170
Mass
D 7.65 0.200
pV 0.229 0.0306
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1400 Tirela 612 Tirela 0.2000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1216 0.1964 0.2904 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.65 0.200 0.200 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.229 0.0306 0.0306 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
13.17 MPC-2023-12-04 MPC-2023-12-04 Phot