1999 XN209

1999XN209, 2001 FR166, 2001FR166, F9444, J99XK9N, K01FG6R

All data for this body: [vot]

MPC data
Name (number) 1999 XN209 (159444)
a 2.59091
e 0.20503
i / sin(i) 12.2341 / 0.21191
q 2.05969
Q 3.12214
ω 50.2218
Node 317.4472
m 86.2499
n 0.2363
Epoch 2460800.5
nobs 1258
nopp 17
Years observed 1999-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.590
ep 0.161
sin(ip) 0.225
G 0.150
H 15.080
Mass
D 3.53 1.090
pV 0.120 0.1100
Value
Rotational Period 232.510
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.3300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5903 0.1605 0.2245 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.53 1.090 1.090 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.120 0.1100 0.1100 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
15.08 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
232.515 2 Synodic Pal 2020ApJS..247...26P Lightcurve