1997 CH1

1997CH1, 1999 RS25, 1999RS25, 37751, J97C01H, J99R25S

All data for this body: [vot]

MPC data
Name (number) 1997 CH1 (37751)
a 2.72443
e 0.04862
i / sin(i) 4.8071 / 0.08380
q 2.59197
Q 2.85689
ω 280.7422
Node 306.0475
m 24.8077
n 0.2192
Epoch 2460800.5
nobs 3436
nopp 22
Years observed 1997-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.724
ep 0.081
sin(ip) 0.101
G 0.150
H 13.690
Mass
D 9.34 0.101
pV 0.091 0.0116
Value
Rotational Period 5.600
Period quality 2
Spectral Class X
Spectral Class Score 2.577
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7244 0.0810 0.1011 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.65 2.020 2.020 Masiero 2012ApJ...759L...8M NEATM
9.34 0.101 0.101 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.068 0.0260 0.0260 Masiero 2012ApJ...759L...8M NEATM
0.097 0.0130 0.0130 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
13.69 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.68 2 Synodic Chang 2016ApJS..227...20C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Ds Ds None None Movis NIR Popescu 2018A&A...617A..12P PHOT
X X 0.4295 0.4295 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT