Billschaefer

05630, 1949 CK, 1949CK, 1973 GR, 1973GR, 1983 EV1, 1983EV1, 1993 FZ, 1993FZ, J49C00K, J73G00R, J83E01V, J93F00Z

All data for this body: [vot]

MPC data
Name (number) Billschaefer (5630)
a 2.24320
e 0.14065
i / sin(i) 2.9006 / 0.05060
q 1.92770
Q 2.55869
ω 64.3371
Node 182.7852
m 149.4210
n 0.2934
Epoch 2460800.5
nobs 4557
nopp 29
Years observed 1949-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.244
ep 0.150
sin(ip) 0.059
G 0.150
H 13.790
Mass
D 4.87 0.039
pV 0.305 0.0173
Value
Rotational Period 69.000
Period quality 2-
Spectral Class S
Spectral Class Score 12.885
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2435 0.1500 0.0586 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.79 0.050 0.050 Masiero 2012ApJ...759L...8M NEATM
5.00 0.062 0.062 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.280 0.0510 0.0510 Masiero 2012ApJ...759L...8M NEATM
0.308 0.0184 0.0184 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
13.79 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
69.0 2- Synodic Brinsfield 2011MPBu...38...73B Lightcurve
69.5 2 Sidereal Durech 2018A&A...617A..57D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.92 Bus VIS Carvano 2010A&A...510A..43C PHOT
L S 0.5017 0.6550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.945 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.8692 0.6550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT