2000 SY161

2000SY161, 1989 XM1, 1989XM1, 41621, J89X01M, K00SG1Y

All data for this body: [vot]

MPC data
Name (number) 2000 SY161 (41621)
a 2.39440
e 0.21751
i / sin(i) 11.9595 / 0.20722
q 1.87359
Q 2.91522
ω 254.1286
Node 90.6560
m 246.2484
n 0.2660
Epoch 2460800.5
nobs 2416
nopp 22
Years observed 1985-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.395
ep 0.160
sin(ip) 0.196
G 0.150
H 14.550
Mass
D 4.92 0.143
pV 0.154 0.0211
Value
Rotational Period
Period quality None
Spectral Class K
Spectral Class Score 1.758
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3946 0.1599 0.1964 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.11 0.840 0.840 Nugent 2016AJ....152...63N NEATM
5.00 0.145 0.145 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.147 0.0213 0.0213 Masiero 2011ApJ...741...68M NEATM
0.520 0.1600 0.1600 Nugent 2016AJ....152...63N 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
14.55 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K 0.293 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT