Walter

08021, 1939 VL, 1939VL, 1990 UO2, 1990UO2, J39V00L, J90U02O

All data for this body: [vot]

MPC data
Name (number) Walter (8021)
a 2.36808
e 0.22426
i / sin(i) 23.8105 / 0.40371
q 1.83701
Q 2.89916
ω 162.5760
Node 236.9001
m 165.0178
n 0.2705
Epoch 2460800.5
nobs 6067
nopp 24
Years observed 1939-2025
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.368
ep 0.224
sin(ip) 0.397
G 0.150
H 13.520
Mass
D 6.29 0.158
pV 0.252 0.0455
Value
Rotational Period 4.800
Period quality 2
Spectral Class S
Spectral Class Score 3.912
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
25 Phocaea 701 Phocaea -0.3800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3681 0.2238 0.3967 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.29 0.159 0.159 Masiero 2011ApJ...741...68M NEATM
6.55 1.330 1.330 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.233 0.0770 0.1160 Masiero 2021PSJ.....2..162M NEATM
0.257 0.0516 0.0516 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
13.52 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.0 1 Synodic Behrend LCDB Lightcurve
4.84 2 Synodic Warner 2009MPBu...36....7W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.652 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT