2001 PC4

2001PC4, 1965 UJ2, 1965UJ2, 1994 AM16, 1994AM16, 51867, J65U02J, J94A16M, K01P04C

All data for this body: [vot]

MPC data
Name (number) 2001 PC4 (51867)
a 2.74724
e 0.11650
i / sin(i) 12.0932 / 0.20950
q 2.42719
Q 3.06730
ω 176.1847
Node 268.1950
m 347.4073
n 0.2165
Epoch 2460800.5
nobs 2797
nopp 23
Years observed 1965-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.748
ep 0.127
sin(ip) 0.224
G 0.150
H 13.630
Mass
D 4.90 0.257
pV 0.424 0.0241
Value
Rotational Period 5.850
Period quality 2
Spectral Class S
Spectral Class Score 6.577
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7475 0.1274 0.2242 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.90 0.257 0.257 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.424 0.0241 0.0241 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
13.63 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.85707 2 Sidereal Durech 2023A&A...675A..24D Model
5.858 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.71 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.5262 0.5262 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT