Billgolisch

08457, 1975 XX2, 1975XX2, 1979 WR4, 1979WR4, 1981 EO8, 1981EO8, J75X02X, J79W04R, J81E08O

All data for this body: [vot]

MPC data
Name (number) Billgolisch (8457)
a 2.63740
e 0.16255
i / sin(i) 3.8554 / 0.06724
q 2.20868
Q 3.06611
ω 158.8356
Node 284.4979
m 186.6854
n 0.2301
Epoch 2460800.5
nobs 3107
nopp 25
Years observed 1975-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.636
ep 0.162
sin(ip) 0.084
G 0.150
H 13.880
Mass
D 4.38 0.129
pV 0.368 0.0813
Value
Rotational Period 135.700
Period quality 2
Spectral Class S
Spectral Class Score 5.966
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6359 0.1620 0.0840 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.38 0.129 0.129 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.368 0.0813 0.0813 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
13.88 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
135.707 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
18.0 1 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.9943 0.9943 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT