Sidorclare

12594, 1990 SD20, 1990SD20, 1995 YK21, 1995YK21, 1998 HT77, 1998HT77, 1999 RU145, 1999RU145, J90S20D, J95Y21K, J98H77T, J99RE5U

All data for this body: [vot]

MPC data
Name (number) Sidorclare (12594)
a 2.75333
e 0.18527
i / sin(i) 3.7238 / 0.06495
q 2.24322
Q 3.26344
ω 101.2577
Node 236.8919
m 220.7675
n 0.2157
Epoch 2460800.5
nobs 2389
nopp 24
Years observed 1990-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.755
ep 0.150
sin(ip) 0.084
G 0.150
H 14.430
Mass
D
pV
Value
Rotational Period 80.310
Period quality 2
Spectral Class S
Spectral Class Score 11.719
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7545 0.1498 0.0842 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
14.43 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
80.312 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
80.46 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.737 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.8828 0.8828 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.09 Bus VIS Carvano 2010A&A...510A..43C PHOT