2231 P-L

2231P-L, 1987 YH1, 1987YH1, 1993 FH51, 1993FH51, 42383, J87Y01H, J93F51H, PLS2231

All data for this body: [vot]

MPC data
Name (number) 2231 P-L (42383)
a 2.69310
e 0.21384
i / sin(i) 1.2991 / 0.02267
q 2.11722
Q 3.26899
ω 213.9032
Node 246.9916
m 160.1804
n 0.2230
Epoch 2460800.5
nobs 1152
nopp 21
Years observed 1960-2024
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.691
ep 0.224
sin(ip) 0.040
G 0.150
H 15.650
Mass
D 3.66 0.086
pV 0.100 0.0179
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 3.502
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6913 0.2237 0.0402 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.66 0.086 0.086 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.100 0.0179 0.0179 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
15.65 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X X 0.5837 0.5837 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT