Billburrows

09930, 1961 CO, 1961CO, 1961 EF, 1961EF, 1980 BB6, 1980BB6, 1984 CP, 1984CP, J61C00O, J61E00F, J80B06B, J84C00P

All data for this body: [vot]

MPC data
Name (number) Billburrows (9930)
a 2.43855
e 0.10249
i / sin(i) 7.4647 / 0.12992
q 2.18862
Q 2.68847
ω 77.3737
Node 125.2810
m 257.4898
n 0.2588
Epoch 2460800.5
nobs 3436
nopp 27
Years observed 1950-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.437
ep 0.134
sin(ip) 0.119
G 0.150
H 13.970
Mass
D 7.67 0.187
pV 0.104 0.0237
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.744
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4374 0.1335 0.1193 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.69 1.400 1.400 Nugent 2016AJ....152...63N NEATM
5.73 1.560 1.560 Nugent 2016AJ....152...63N NEATM
6.26 1.760 1.760 Masiero 2012ApJ...759L...8M NEATM
7.75 0.191 0.191 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.097 0.0257 0.0257 Masiero 2011ApJ...741...68M NEATM
0.140 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
0.140 0.1400 0.1400 Nugent 2016AJ....152...63N NEATM
0.149 0.1080 0.1080 Masiero 2012ApJ...759L...8M 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
13.97 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
Bk Bk None None Movis NIR Popescu 2018A&A...617A..12P PHOT
C 0.41 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.654 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.3254 0.1510 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT