1998 BC12

1998BC12, 1986 XR4, 1986XR4, 1989 KC, 1989KC, 29536, J86X04R, J89K00C, J98B12C

All data for this body: [vot]

MPC data
Name (number) 1998 BC12 (29536)
a 3.03848
e 0.02802
i / sin(i) 11.6186 / 0.20140
q 2.95334
Q 3.12362
ω 336.5563
Node 110.3747
m 77.9393
n 0.1861
Epoch 2460800.5
nobs 3966
nopp 25
Years observed 1986-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.039
ep 0.052
sin(ip) 0.182
G 0.150
H 12.830
Mass
D 9.70 0.135
pV 0.244 0.0274
Value
Rotational Period 19.760
Period quality 2
Spectral Class Cgx
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0394 0.0516 0.1820 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.18 0.321 0.321 Masiero 2011ApJ...741...68M NEATM
9.60 0.149 0.149 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.225 0.0487 0.0487 Masiero 2011ApJ...741...68M NEATM
0.253 0.0331 0.0331 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
12.83 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
19.768 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
7.22 2 Synodic Chang 2015ApJS..219...27C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Cgx Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT