1999 CH98

1999CH98, 2001 QA20, 2001QA20, 53227, J99C98H, K01Q20A

All data for this body: [vot]

MPC data
Name (number) 1999 CH98 (53227)
a 2.77773
e 0.01597
i / sin(i) 1.5259 / 0.02663
q 2.73335
Q 2.82210
ω 64.7785
Node 72.0500
m 251.0820
n 0.2129
Epoch 2460800.5
nobs 1691
nopp 22
Years observed 1997-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent Astrid (1128)
 
ap 2.779
ep 0.048
sin(ip) 0.011
G 0.150
H 14.850
Mass
D 6.79 0.275
pV 0.055 0.0190
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1128 Astrid 0 Astrid Novakovic 2019EPSC...13.1671N HCM
1128 Astrid 515 Astrid -0.8800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7789 0.0483 0.0115 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.79 0.275 0.275 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.055 0.0190 0.0190 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
14.85 MPC-2023-12-04 MPC-2023-12-04 Phot