Horbatt

17941, 1990 JC1, 1990JC1, 1997 YC7, 1997YC7, 1999 JW2, 1999JW2, J90J01C, J97Y07C, J99J02W

All data for this body: [vot]

MPC data
Name (number) Horbatt (17941)
a 2.17499
e 0.15497
i / sin(i) 20.2829 / 0.34666
q 1.83793
Q 2.51205
ω 358.5307
Node 65.7789
m 197.7272
n 0.3073
Epoch 2460800.5
nobs 3131
nopp 20
Years observed 1990-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.175
ep 0.147
sin(ip) 0.378
G 0.150
H 14.110
Mass
D 3.27 0.200
pV 0.499 0.0440
Value
Rotational Period 17.866
Period quality 2
Spectral Class K
Spectral Class Score 4.020
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1747 0.1474 0.3776 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.27 0.200 0.200 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.499 0.0440 0.0440 Masiero 2012ApJ...759L...8M 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
14.11 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
17.8666 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K 0.670 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L 0.17 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.2311 0.2311 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT