1998 HA34

1998HA34, 16942, 1989 UN5, 1989UN5, J89U05N, J98H34A

All data for this body: [vot]

MPC data
Name (number) 1998 HA34 (16942)
a 3.19488
e 0.11711
i / sin(i) 16.1115 / 0.27751
q 2.82074
Q 3.56902
ω 185.7709
Node 202.6704
m 74.3190
n 0.1726
Epoch 2460800.5
nobs 4832
nopp 25
Years observed 1960-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.201
ep 0.096
sin(ip) 0.280
G 0.150
H 12.610
Mass
D 17.71 0.156
pV 0.068 0.0068
Value
Rotational Period 124.310
Period quality 2
Spectral Class C
Spectral Class Score 5.844
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
375 Ursula 0 Ursula Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2012 0.0960 0.2798 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.64 0.209 0.209 Masiero 2011ApJ...741...68M NEATM
17.79 0.234 0.234 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.067 0.0136 0.0136 Masiero 2011ApJ...741...68M NEATM
0.068 0.0078 0.0078 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
12.61 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
124.319 2 Synodic Pal 2020ApJS..247...26P Lightcurve
62.365 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.974 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
Cgx Cgx None None Movis NIR Popescu 2018A&A...617A..12P PHOT