2001 MB9

2001MB9, 1991 PL28, 1991PL28, 1999 DT, 1999DT, 51780, J91P28L, J99D00T, K01M09B

All data for this body: [vot]

MPC data
Name (number) 2001 MB9 (51780)
a 2.96116
e 0.12233
i / sin(i) 9.0447 / 0.15721
q 2.59892
Q 3.32340
ω 83.5201
Node 310.7901
m 155.6086
n 0.1934
Epoch 2460800.5
nobs 1542
nopp 20
Years observed 1991-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.963
ep 0.085
sin(ip) 0.176
G 0.150
H 14.580
Mass
D 4.86 1.389
pV 0.206 0.2066
Value
Rotational Period 5.800
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.6000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9626 0.0854 0.1763 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.86 1.389 1.389 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.206 0.2066 0.2066 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
14.58 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.81 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
5.82 2 Synodic Chang 2015ApJS..219...27C Lightcurve