1998 SW81

1998SW81, 2000 GZ118, 2000GZ118, 52906, J98S81W, K00GB8Z

All data for this body: [vot]

MPC data
Name (number) 1998 SW81 (52906)
a 2.34013
e 0.18638
i / sin(i) 2.2539 / 0.03933
q 1.90397
Q 2.77629
ω 199.1051
Node 201.3000
m 128.6222
n 0.2753
Epoch 2460800.5
nobs 897
nopp 20
Years observed 1991-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.341
ep 0.167
sin(ip) 0.048
G 0.150
H 16.870
Mass
D
pV
Value
Rotational Period 1.000
Period quality
Spectral Class S
Spectral Class Score 11.682
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -0.3800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3406 0.1671 0.0481 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
16.87 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
1.9 Synodic Erasmus 2018ApJS..237...19E Lightcurve
1.9 Synodic Erasmus 2019ApJS..242...15E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D D 0.3054 0.2260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.972000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT
S 0.975000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT