Alanhale

04151, 1968 HD, 1968HD, 1976 SO1, 1976SO1, 1979 FX1, 1979FX1, 1982 SZ4, 1982SZ4, 1985 HV1, 1985HV1, 1985 JX, 1985JX, J68H00D, J76S01O, J79F01X, J82S04Z, J85H01V, J85J00X

All data for this body: [vot]

MPC data
Name (number) Alanhale (4151)
a 3.13927
e 0.14901
i / sin(i) 1.0021 / 0.01749
q 2.67150
Q 3.60704
ω 76.4075
Node 66.8796
m 13.9766
n 0.1772
Epoch 2460200.5
nobs 5174
nopp 31
Years observed 1968-2023
rms 0.48
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.140
ep 0.175
sin(ip) 0.011
Value Standard error
G 0.150
H 12.540
Mass
D 20.19 0.211
pV 0.055 0.0044
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1398 0.1749 0.0111 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
17.94 1.790 1.790 Ali-Lagoa 2018A&A...612A..85A NEATM
19.53 0.269 0.269 Masiero 2011ApJ...741...68M NEATM
20.35 2.040 2.040 Ali-Lagoa 2018A&A...612A..85A NEATM
20.60 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
20.60 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
20.80 0.540 0.540 Usui 2011PASJ...63.1117U NEATM
22.66 0.590 0.590 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.045 0.0060 0.0060 Masiero 2012ApJ...759L...8M NEATM
0.055 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.071 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A NEATM
0.073 0.0099 0.0099 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
12.54 MPC-2023-12-04 MPC-2023-12-04 Phot