1998 HY129

1998HY129, 1999 RO249, 1999RO249, 42677, J98HC9Y, J99RO9O

All data for this body: [vot]

MPC data
Name (number) 1998 HY129 (42677)
a 2.38816
e 0.15048
i / sin(i) 1.2948 / 0.02260
q 2.02878
Q 2.74754
ω 69.2029
Node 176.5697
m 77.8823
n 0.2671
Epoch 2460800.5
nobs 1135
nopp 21
Years observed 1998-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.389
ep 0.162
sin(ip) 0.026
G 0.150
H 16.300
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class Ad
Spectral Class Score 1.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
20 Massalia 0 Massalia Novakovic 2019EPSC...13.1671N HCM
20 Massalia 404 Massalia -0.4900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3892 0.1622 0.0262 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
16.30 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Ad Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT