1999 CP39

1999CP39, 28285, J99C39P

All data for this body: [vot]

MPC data
Name (number) 1999 CP39 (28285)
a 2.65052
e 0.17167
i / sin(i) 4.2311 / 0.07378
q 2.19550
Q 3.10554
ω 62.7486
Node 27.4874
m 68.0342
n 0.2284
Epoch 2460800.5
nobs 2987
nopp 23
Years observed 1954-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.650
ep 0.175
sin(ip) 0.070
G 0.150
H 14.120
Mass
D 4.90 0.233
pV 0.243 0.0357
Value
Rotational Period 6.761
Period quality 2
Spectral Class X
Spectral Class Score 1.308
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6499 0.1752 0.0703 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.90 0.233 0.233 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.243 0.0357 0.0357 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
14.12 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.7615 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 V None None Movis NIR Popescu 2018A&A...617A..12P PHOT
X 0.218 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT