1997 WV21

1997WV21, 1976 SJ11, 1976SJ11, 1991 RX37, 1991RX37, 1996 SW3, 1996SW3, 27999, J76S11J, J91R37X, J96S03W, J97W21V

All data for this body: [vot]

MPC data
Name (number) 1997 WV21 (27999)
a 2.93116
e 0.04798
i / sin(i) 1.8534 / 0.03234
q 2.79051
Q 3.07181
ω 40.4749
Node 16.8956
m 200.5747
n 0.1964
Epoch 2460800.5
nobs 2301
nopp 25
Years observed 1976-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.930
ep 0.041
sin(ip) 0.035
G 0.150
H 13.800
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 2.803
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis 0.5700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9300 0.0407 0.0352 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
13.80 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
B B 0.4671 0.3270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT