1998 NH

1998NH, 40093, J98N00H

All data for this body: [vot]

MPC data
Name (number) 1998 NH (40093)
a 2.77440
e 0.12843
i / sin(i) 12.2662 / 0.21245
q 2.41808
Q 3.13071
ω 290.2793
Node 124.4265
m 185.9812
n 0.2133
Epoch 2460800.5
nobs 2459
nopp 22
Years observed 1995-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.773
ep 0.128
sin(ip) 0.199
G 0.150
H 14.190
Mass
D 4.51 0.455
pV 0.262 0.0471
Value
Rotational Period 16.890
Period quality 2
Spectral Class C
Spectral Class Score 7.941
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7733 0.1277 0.1988 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.51 0.455 0.455 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.262 0.0471 0.0471 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
14.19 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
16.895 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.70 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.3289 0.3850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.4279 0.3850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT