Nishashah

18918, 1997 WE54, 1997WE54, 1999 GR58, 1999GR58, 2000 OB50, 2000OB50, J97W54E, J99G58R, K00O50B

All data for this body: [vot]

MPC data
Name (number) Nishashah (18918)
a 2.26985
e 0.18497
i / sin(i) 6.3204 / 0.11009
q 1.84999
Q 2.68971
ω 247.7148
Node 57.7723
m 119.5100
n 0.2882
Epoch 2460800.5
nobs 2825
nopp 21
Years observed 1990-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Baptistina (298)
 
ap 2.269
ep 0.149
sin(ip) 0.104
G 0.150
H 14.780
Mass
D 3.95 0.026
pV 0.136 0.0247
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 3.559
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
298 Baptistina 0 Baptistina Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.4400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
298 Baptistina 403 Baptistina 0.2500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2686 0.1491 0.1043 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.94 0.026 0.026 Masiero 2011ApJ...741...68M NEATM
4.08 1.080 1.080 Masiero 2020PSJ.....1....5M NEATM
4.35 0.870 0.870 Masiero 2020PSJ.....1....5M NEATM
5.13 1.130 1.130 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.109 0.0370 0.0370 Masiero 2012ApJ...759L...8M NEATM
0.153 0.0670 0.0670 Masiero 2020PSJ.....1....5M NEATM
0.154 0.1180 0.1180 Masiero 2020PSJ.....1....5M NEATM
0.161 0.0402 0.0402 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
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
CX 0.52 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.5931 0.5931 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT