Wallace

1991 HL2, 1991HL2, 1999 VE12, 1999VE12, 21903, J91H02L, J99V12E

All data for this body: [vot]

MPC data
Name (number) Wallace (21903)
a 3.05006
e 0.04837
i / sin(i) 9.7156 / 0.16876
q 2.90254
Q 3.19759
ω 84.2660
Node 28.6421
m 219.5796
n 0.1850
Epoch 2460800.5
nobs 3739
nopp 22
Years observed 1991-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.051
ep 0.061
sin(ip) 0.164
G 0.150
H 12.740
Mass
D
pV
Value
Rotational Period 3.285
Period quality 2
Spectral Class X
Spectral Class Score 1.050
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos 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
3.0507 0.0614 0.1635 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
12.74 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.28477 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 0.175 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT