Robinwilliams

12820, 1978 XO1, 1978XO1, 1996 JN6, 1996JN6, J78X01O, J96J06N

All data for this body: [vot]

MPC data
Name (number) Robinwilliams (12820)
a 2.92627
e 0.05187
i / sin(i) 2.9659 / 0.05174
q 2.77447
Q 3.07807
ω 255.3574
Node 117.0730
m 133.2345
n 0.1969
Epoch 2460800.5
nobs 4651
nopp 26
Years observed 1978-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.928
ep 0.015
sin(ip) 0.034
G 0.150
H 13.130
Mass
D 6.38 0.291
pV 0.273 0.0491
Value
Rotational Period 10.400
Period quality 1
Spectral Class S
Spectral Class Score 6.544
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9280 0.0146 0.0336 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.38 0.291 0.291 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.273 0.0491 0.0491 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
13.13 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.22 1 Synodic Chang 2016ApJS..227...20C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Bk Bk None None Movis NIR Popescu 2018A&A...617A..12P PHOT
K 0.642 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L 0.34 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.7574 0.7574 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT