Hughgrant

1952 BA2, 1952BA2, 1989 FD1, 1989FD1, 1994 LE7, 1994LE7, 2000 SU44, 2000SU44, 20789, J52B02A, J89F01D, J94L07E, K00S44U

All data for this body: [vot]

MPC data
Name (number) Hughgrant (20789)
a 2.55056
e 0.24383
i / sin(i) 9.7664 / 0.16963
q 1.92865
Q 3.17248
ω 15.0645
Node 66.3829
m 14.8012
n 0.2420
Epoch 2460800.5
nobs 4090
nopp 25
Years observed 1952-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.383
ep 0.388
sin(ip) 0.158
G 0.150
H 13.490
Mass
D 5.00 0.111
pV 0.552 0.0551
Value
Rotational Period 94.795
Period quality 2
Spectral Class S
Spectral Class Score 1.308
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3828 0.3875 0.1577 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.09 0.236 0.236 Masiero 2011ApJ...741...68M NEATM
5.25 0.126 0.126 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.443 0.0700 0.0700 Masiero 2011ApJ...741...68M NEATM
0.729 0.0893 0.0893 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
13.49 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
94.7953 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.218 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT