Chrispollas

04892, 1964 WE, 1964WE, 1978 TT9, 1978TT9, 1981 RY, 1981RY, 1985 TV2, 1985TV2, 1989 VB2, 1989VB2, J64W00E, J78T09T, J81R00Y, J85T02V, J89V02B

All data for this body: [vot]

MPC data
Name (number) Chrispollas (4892)
a 2.33430
e 0.10022
i / sin(i) 8.5757 / 0.14912
q 2.10036
Q 2.56824
ω 307.6524
Node 211.6432
m 259.6429
n 0.2764
Epoch 2460800.5
nobs 7204
nopp 29
Years observed 1960-2025
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.335
ep 0.147
sin(ip) 0.159
G 0.150
H 13.020
Mass
D 7.43 0.053
pV 0.276 0.0267
Value
Rotational Period 1584.000
Period quality 2
Spectral Class L
Spectral Class Score 13.318
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3347 0.1469 0.1588 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.89 0.460 0.460 Masiero 2012ApJ...759L...8M NEATM
7.28 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
7.50 0.063 0.063 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.263 0.0504 0.0504 Masiero 2011ApJ...741...68M NEATM
0.280 0.0600 0.0600 Masiero 2014ApJ...791..121M NEATM
0.282 0.0370 0.0370 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
13.02 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
152.294 2 Synodic Pal 2020ApJS..247...26P Lightcurve
1584.0 2 Synodic Stephens 2019MPBu...46..449S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
L 0.86 Bus VIS Carvano 2010A&A...510A..43C PHOT
L L 0.7682 0.7660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L L 0.8314 0.7660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT