1999 NP64

1999NP64, 19611, 1998 HS112, 1998HS112, J98HB2S, J99N64P

All data for this body: [vot]

MPC data
Name (number) 1999 NP64 (19611)
a 2.98074
e 0.06716
i / sin(i) 11.4998 / 0.19936
q 2.78054
Q 3.18093
ω 168.8751
Node 125.1757
m 14.0097
n 0.1915
Epoch 2460800.5
nobs 2081
nopp 23
Years observed 1996-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.981
ep 0.064
sin(ip) 0.181
G 0.150
H 14.130
Mass
D 5.61 0.284
pV 0.170 0.0407
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 8.938
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.5400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9810 0.0642 0.1813 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.61 0.284 0.284 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.170 0.0407 0.0407 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
14.13 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
D S 0.3315 0.2640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
LS 0.39 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.387 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.2081 0.2640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.4325 0.2640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.4621 0.2640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT