1999 CA81

1999CA81, 28308, J99C81A

All data for this body: [vot]

MPC data
Name (number) 1999 CA81 (28308)
a 2.59810
e 0.11082
i / sin(i) 15.6329 / 0.26947
q 2.31018
Q 2.88603
ω 334.9175
Node 169.9146
m 100.4325
n 0.2354
Epoch 2460800.5
nobs 3477
nopp 23
Years observed 1995-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.598
ep 0.164
sin(ip) 0.264
G 0.150
H 14.370
Mass
D 6.22 1.910
pV 0.089 0.0540
Value
Rotational Period 40.053
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5983 0.1635 0.2637 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.22 1.910 1.910 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.089 0.0390 0.0690 Masiero 2021PSJ.....2..162M 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
14.37 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
40.0531 2 Synodic Pal 2020ApJS..247...26P Lightcurve