Hal

09000, 1975 VH3, 1975VH3, 1981 JJ3, 1981JJ3, 1981 JO, 1981JO, 1995 US3, 1995US3, J75V03H, J81J00O, J81J03J, J95U03S

All data for this body: [vot]

MPC data
Name (number) Hal (9000)
a 2.22993
e 0.20869
i / sin(i) 6.2636 / 0.10910
q 1.76457
Q 2.69530
ω 79.8462
Node 226.5567
m 17.9747
n 0.2960
Epoch 2460800.5
nobs 3780
nopp 27
Years observed 1975-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.230
ep 0.148
sin(ip) 0.125
G 0.150
H 14.160
Mass
D 3.83 0.599
pV 0.298 0.1062
Value
Rotational Period 908.000
Period quality 2+
Spectral Class S
Spectral Class Score 7.287
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2301 0.1476 0.1246 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.61 0.780 0.780 Nugent 2016AJ....152...63N NEATM
4.13 0.935 0.935 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.260 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM
0.375 0.1841 0.1841 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
14.16 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
22.68 1 Synodic Behrend LCDB Lightcurve
908.0 2+ Synodic Galad 2009MPBu...36..116G Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.987 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.2275 0.2275 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT