Poincare

02021, 1936 MA, 1936MA, 1968 UQ2, 1968UQ2, 1971 LE, 1971LE, J36M00A, J68U02Q, J71L00E

All data for this body: [vot]

MPC data
Name (number) Poincare (2021)
a 2.31042
e 0.21852
i / sin(i) 5.4902 / 0.09568
q 1.80554
Q 2.81531
ω 164.4639
Node 154.9567
m 84.2765
n 0.2807
Epoch 2460800.5
nobs 6713
nopp 33
Years observed 1936-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.310
ep 0.178
sin(ip) 0.088
G 0.150
H 13.630
Mass
D 4.94 0.014
pV 0.406 0.0410
Value
Rotational Period 4.405
Period quality 3
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3098 0.1776 0.0885 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.01 0.140 0.140 Masiero 2012ApJ...759L...8M NEATM
4.95 0.015 0.015 Masiero 2011ApJ...741...68M NEATM
5.04 0.050 0.050 Masiero 2014ApJ...791..121M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.360 0.0800 0.0800 Masiero 2014ApJ...791..121M NEATM
0.378 0.0570 0.0570 Masiero 2011ApJ...741...68M NEATM
0.525 0.0870 0.0870 Masiero 2012ApJ...759L...8M 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
13.63 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.405538 2 Sidereal Durech 2018A&A...617A..57D Model
4.4056 3 Synodic Ditteon 2018MPBu...45..338D Lightcurve