Hal

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

All data for this body: [vot]

MPC data
Name (number) Hal (9000)
Packed designation 09000
a 2.23024
e 0.20922
i / sin(i) 6.2617 / 0.10907
q 1.76363
Q 2.69685
ω 80.0418
Node 226.5760
m 22.5596
n 0.2959
Epoch 2459600.5
nobs 2905
nopp 23
Years observed 1975-2021
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.230
ep 0.148
sin(ip) 0.125
Value Standard error
G 0.150
H 14.130
Mass
D 3.83 0.599
pV 0.298 0.1062
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-Jan-2022
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-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.13 MPC-2022-01-18 MPC-2022-01-18 Phot