1991 PL15

1991PL15, 2001 KZ61, 2001KZ61, 43801, J91P15L, K01K61Z

All data for this body: [vot]

MPC data
Name (number) 1991 PL15 (43801)
a 3.10848
e 0.14556
i / sin(i) 6.4417 / 0.11219
q 2.65600
Q 3.56097
ω 198.6996
Node 127.9403
m 55.7531
n 0.1798
Epoch 2460800.5
nobs 1462
nopp 24
Years observed 1991-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.104
ep 0.133
sin(ip) 0.092
G 0.150
H 14.410
Mass
D 8.04 0.294
pV 0.069 0.0092
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.733
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1045 0.1330 0.0924 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.04 0.294 0.294 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.069 0.0092 0.0092 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
14.41 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
C C None None Movis NIR Popescu 2018A&A...617A..12P PHOT
C C 0.4555 0.4555 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT