1998 HA48

1998HA48, 1999 RL177, 1999RL177, 39994, J98H48A, J99RH7L

All data for this body: [vot]

MPC data
Name (number) 1998 HA48 (39994)
a 2.54134
e 0.14913
i / sin(i) 5.7826 / 0.10075
q 2.16236
Q 2.92031
ω 158.8381
Node 163.9798
m 140.6892
n 0.2433
Epoch 2460800.5
nobs 1604
nopp 22
Years observed 1991-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.541
ep 0.115
sin(ip) 0.096
G 0.150
H 15.230
Mass
D 2.65 0.362
pV 0.210 0.1032
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5408 0.1151 0.0959 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.65 0.362 0.362 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.210 0.1032 0.1032 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
15.23 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
Q 0.192 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT