1999 GU54

1999GU54, 2004 TH258, 2004TH258, J99G54U, K04TP8H, N1733

All data for this body: [vot]

MPC data
Name (number) 1999 GU54 (231733)
a 2.41823
e 0.17077
i / sin(i) 2.2438 / 0.03915
q 2.00526
Q 2.83119
ω 247.5965
Node 5.3604
m 286.3319
n 0.2621
Epoch 2460800.5
nobs 362
nopp 17
Years observed 1999-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.418
ep 0.182
sin(ip) 0.044
G 0.150
H 17.100
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.530
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.0200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4184 0.1822 0.0441 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
17.10 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
S 0.755 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT