Annchi

18707, 1998 HO96, 1998HO96, J98H96O

All data for this body: [vot]

MPC data
Name (number) Annchi (18707)
a 2.55329
e 0.18994
i / sin(i) 6.8446 / 0.11918
q 2.06832
Q 3.03826
ω 62.6307
Node 64.4852
m 291.5050
n 0.2416
Epoch 2460800.5
nobs 2303
nopp 21
Years observed 1994-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.554
ep 0.198
sin(ip) 0.107
G 0.150
H 14.590
Mass
D 3.24 0.029
pV 0.352 0.0358
Value
Rotational Period 72.200
Period quality 2
Spectral Class S
Spectral Class Score 4.935
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5537 0.1976 0.1068 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.24 0.029 0.029 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.352 0.0358 0.0358 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
14.59 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
72.22 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.8225 0.8225 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V 0.414 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT