1998 AC4

1998AC4, 1999 FG29, 1999FG29, 35416, J98A04C, J99F29G

All data for this body: [vot]

MPC data
Name (number) 1998 AC4 (35416)
a 2.44584
e 0.20128
i / sin(i) 3.6311 / 0.06333
q 1.95355
Q 2.93813
ω 221.8649
Node 98.3976
m 187.5379
n 0.2577
Epoch 2460800.5
nobs 2260
nopp 22
Years observed 1991-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.448
ep 0.169
sin(ip) 0.045
G 0.150
H 14.950
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.998
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 0.3000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4476 0.1685 0.0452 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
14.95 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 S 0.0330 0.7100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9997 0.7100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
SQ 0.50 Bus VIS Carvano 2010A&A...510A..43C PHOT
V S 0.0465 0.7100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT