1997 UY21

1997UY21, 2001 HH37, 2001HH37, 26982, J97U21Y, K01H37H

All data for this body: [vot]

MPC data
Name (number) 1997 UY21 (26982)
a 2.93562
e 0.27210
i / sin(i) 11.6210 / 0.20144
q 2.13683
Q 3.73440
ω 83.4969
Node 257.3776
m 86.3024
n 0.1960
Epoch 2460200.5
nobs 2730
nopp 23
Years observed 1996-2023
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.941
ep 0.217
sin(ip) 0.236
Value Standard error
G 0.150
H 13.380
Mass
D 6.37 0.146
pV 0.251 0.0337
Rotational Period 6.728
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9411 0.2168 0.2363 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.37 0.146 0.146 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.251 0.0337 0.0337 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
13.38 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.73 Pal 2020ApJS..247...26P Lightcurve