1989 CH4

1989CH4, 09324, 1993 EV, 1993EV, J89C04H, J93E00V

All data for this body: [vot]

MPC data
Name (number) 1989 CH4 (9324)
a 2.41358
e 0.15682
i / sin(i) 2.0451 / 0.03569
q 2.03507
Q 2.79209
ω 231.6641
Node 328.0770
m 190.5266
n 0.2629
Epoch 2460800.5
nobs 4159
nopp 25
Years observed 1989-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.416
ep 0.189
sin(ip) 0.048
G 0.150
H 14.180
Mass
D
pV
Value
Rotational Period 6.550
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -0.1200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4155 0.1886 0.0481 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.18 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.558 2 Synodic Waszczak 2015AJ....150...75W Lightcurve