1997WP21

33074, J97W21P

All data for this body: [vot]

MPC data
Name (number) 1997WP21 (33074)
Packed designation 33074
a 3.17942
e 0.10115
i / sin(i) 17.9582 / 0.30832
q 2.85783
Q 3.50101
ω 34.1023
Node 91.3704
m 66.0191
n 0.1739
Epoch 2459600.5
nobs 2195
nopp 21
Years observed 1997-2022
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent Ursula (375)
 
ap 3.185
ep 0.103
sin(ip) 0.287
Value Standard error
G 0.150
H 12.540
Mass
D 17.54 0.137
pV 0.115 0.0260
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
375 Ursula 631 Ursula Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1854 0.1028 0.2875 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.76 5.880 5.880 Nugent 2016AJ....152...63N NEATM
17.54 0.137 0.137 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.070 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.132 0.0305 0.0305 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.54 MPC-2022-01-18 MPC-2022-01-18 Phot