2000 SD227

2000SD227, 1989 WM2, 1989WM2, 1999 JO117, 1999JO117, 41639, J89W02M, J99JB7O, K00SM7D

All data for this body: [vot]

MPC data
Name (number) 2000 SD227 (41639)
a 2.38299
e 0.23917
i / sin(i) 9.7967 / 0.17015
q 1.81306
Q 2.95292
ω 300.0131
Node 82.8510
m 255.6315
n 0.2679
Epoch 2460800.5
nobs 2814
nopp 20
Years observed 1989-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.382
ep 0.207
sin(ip) 0.159
G 0.150
H 15.070
Mass
D
pV
Value
Rotational Period 7.080
Period quality 2
Spectral Class S
Spectral Class Score 8.302
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3825 0.2068 0.1588 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
15.07 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.084 2 Synodic McNeill 2019ApJS..245...29M Lightcurve
7.08619 2 Synodic Pal 2020ApJS..247...26P Lightcurve
7.087 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.12 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.4219 0.5130 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5885 0.5130 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT