1989 CG1

1989CG1, 11497, 1952 BO2, 1952BO2, 1990 MB2, 1990MB2, 1997 CO27, 1997CO27, J52B02O, J89C01G, J90M02B, J97C27O

All data for this body: [vot]

MPC data
Name (number) 1989 CG1 (11497)
a 2.56519
e 0.08454
i / sin(i) 14.0283 / 0.24240
q 2.34831
Q 2.78206
ω 247.4751
Node 305.2715
m 269.3108
n 0.2399
Epoch 2460800.5
nobs 6966
nopp 24
Years observed 1952-2025
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.563
ep 0.127
sin(ip) 0.258
G 0.150
H 12.830
Mass
D 8.34 0.073
pV 0.251 0.0127
Value
Rotational Period 9.435
Period quality 2
Spectral Class S
Spectral Class Score 5.148
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5630 0.1267 0.2582 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.74 0.960 0.960 Masiero 2012ApJ...759L...8M NEATM
7.88 0.140 0.140 Masiero 2014ApJ...791..121M NEATM
8.52 0.086 0.086 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.244 0.0141 0.0141 Masiero 2011ApJ...741...68M NEATM
0.268 0.2330 0.2330 Masiero 2012ApJ...759L...8M NEATM
0.280 0.0300 0.0300 Masiero 2014ApJ...791..121M 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
9.4356 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.858 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT