Hippocastanum

09054, 1990 MA2, 1990MA2, 1991 YO, 1991YO, 1995 WY42, 1995WY42, J90M02A, J91Y00O, J95W42Y

All data for this body: [vot]

MPC data
Name (number) Hippocastanum (9054)
a 2.62358
e 0.18704
i / sin(i) 14.3335 / 0.24757
q 2.13287
Q 3.11429
ω 257.9468
Node 103.5418
m 23.0135
n 0.2319
Epoch 2460800.5
nobs 6582
nopp 25
Years observed 1990-2025
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.624
ep 0.139
sin(ip) 0.236
G 0.150
H 13.500
Mass
D
pV
Value
Rotational Period 193.550
Period quality 2
Spectral Class S
Spectral Class Score 16.035
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -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
2.6237 0.1386 0.2357 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
13.50 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
193.552 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
LS 0.70 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.824 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.6030 0.7640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9121 0.7640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT