Westrich

15622, 1994 PQ23, 1994PQ23, 2000 HY20, 2000HY20, J94P23Q, K00H20Y

All data for this body: [vot]

MPC data
Name (number) Westrich (15622)
a 2.25389
e 0.06351
i / sin(i) 3.6902 / 0.06436
q 2.11075
Q 2.39703
ω 64.1882
Node 150.0723
m 144.7921
n 0.2913
Epoch 2460800.5
nobs 2530
nopp 24
Years observed 1993-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.255
ep 0.100
sin(ip) 0.065
G 0.150
H 15.230
Mass
D 2.41 0.145
pV 0.335 0.0872
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 14.378
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2545 0.0997 0.0652 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.41 0.145 0.145 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.335 0.0872 0.0872 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
15.23 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.305 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.7661 0.8840 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9919 0.8840 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
SQ 0.53 Bus VIS Carvano 2010A&A...510A..43C PHOT
V S 0.2388 0.8840 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT