2001 NP8

2001NP8, 1997 WD38, 1997WD38, 1999 CZ145, 1999CZ145, 51804, J97W38D, J99CE5Z, K01N08P

All data for this body: [vot]

MPC data
Name (number) 2001 NP8 (51804)
a 3.18321
e 0.14000
i / sin(i) 1.5621 / 0.02726
q 2.73755
Q 3.62887
ω 302.0045
Node 167.1278
m 259.3491
n 0.1735
Epoch 2460800.5
nobs 1161
nopp 22
Years observed 1997-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.193
ep 0.133
sin(ip) 0.029
G 0.150
H 14.780
Mass
D 5.37 0.106
pV 0.073 0.0139
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 8.456
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.3100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1934 0.1334 0.0286 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.30 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
5.40 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
5.40 0.184 0.184 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.073 0.0139 0.0139 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
14.78 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
B C 0.1547 0.2310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.1642 0.2310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.11 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.962 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.0437 0.2310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.3669 0.2310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT