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 2.43628
e 0.10381
i / sin(i) 7.4625 / 0.12988
q 2.18337
Q 2.68919
ω 77.3557
Node 125.3420
m 102.0566
n 0.2592
Epoch 2460200.5
nobs 2882
nopp 26
Years observed 1950-2023
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.437
ep 0.134
sin(ip) 0.119
Value Standard error
G 0.150
H 13.990
Mass
D 7.67 0.187
pV 0.104 0.0237
Rotational Period
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-Oct-2022
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
13.99 MPC-2023-12-04 MPC-2023-12-04 Phot