1999 SX1

1999SX1, A2189, J99S01X

All data for this body: [vot]

MPC data
Name (number) 1999 SX1 (102189)
a 3.11848
e 0.24374
i / sin(i) 29.4566 / 0.49177
q 2.35839
Q 3.87858
ω 12.9477
Node 323.6594
m 138.4949
n 0.1790
Epoch 2460200.5
nobs 998
nopp 16
Years observed 1999-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.130
ep 0.350
sin(ip) 0.457
Value Standard error
G 0.150
H 14.400
Mass
D 8.62 0.108
pV 0.048 0.0035
Rotational Period 9.898
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-Oct-2022
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
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.90 Waszczak 2015AJ....150...75W Lightcurve