1998 HU144

1998HU144, 09129, 1978 SV4, 1978SV4, 1997 CG22, 1997CG22, J78S04V, J97C22G, J98HE4U

All data for this body: [vot]

MPC data
Name (number) 1998 HU144 (9129)
a 3.04727
e 0.20932
i / sin(i) 1.1899 / 0.02077
q 2.40940
Q 3.68513
ω 156.4672
Node 172.7760
m 302.6854
n 0.1853
Epoch 2460800.5
nobs 2300
nopp 27
Years observed 1978-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.049
ep 0.180
sin(ip) 0.023
G 0.150
H 14.000
Mass
D 8.47 0.102
pV 0.075 0.0102
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 1.655
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0485 0.1801 0.0230 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.94 4.970 4.970 Masiero 2012ApJ...759L...8M NEATM
7.22 2.220 2.220 Nugent 2016AJ....152...63N NEATM
7.57 2.440 2.440 Masiero 2021PSJ.....2..162M NEATM
7.79 1.710 1.710 Nugent 2016AJ....152...63N NEATM
8.47 0.102 0.102 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.049 0.0480 0.0480 Masiero 2012ApJ...759L...8M NEATM
0.060 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.076 0.0108 0.0108 Masiero 2011ApJ...741...68M NEATM
0.080 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.086 0.0420 0.0820 Masiero 2021PSJ.....2..162M 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
14.00 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
C 0.49 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.2759 0.2759 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT