1999 SX1

1999SX1, A2189, J99S01X

All data for this body: [vot]

MPC data
Name (number) 1999 SX1 (102189)
a 3.12031
e 0.24311
i / sin(i) 29.4434 / 0.49156
q 2.36174
Q 3.87888
ω 12.9026
Node 323.6502
m 245.9044
n 0.1788
Epoch 2460800.5
nobs 1053
nopp 18
Years observed 1999-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.130
ep 0.350
sin(ip) 0.457
G 0.150
H 14.400
Mass
D 8.62 0.108
pV 0.048 0.0035
Value
Rotational Period 9.890
Period quality 2
Spectral Class C
Spectral Class Score 0.470
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
31 Euphrosyne 0 Euphrosyne Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1296 0.3500 0.4572 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.56 1.550 1.550 Masiero 2012ApJ...759L...8M NEATM
8.63 0.108 0.108 Masiero 2011ApJ...741...68M NEATM
8.92 2.380 2.380 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.1500 0.1500 Nugent 2016AJ....152...63N NEATM
0.048 0.0035 0.0035 Masiero 2011ApJ...741...68M NEATM
0.059 0.0380 0.0380 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
14.40 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.898 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
C 0.09 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.0483 0.0483 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT