1999 XX229

1999XX229, 71191, J99XM9X

All data for this body: [vot]

MPC data
Name (number) 1999 XX229 (71191)
a 2.71671
e 0.14856
i / sin(i) 7.9684 / 0.13863
q 2.31310
Q 3.12031
ω 128.1723
Node 346.1905
m 200.2416
n 0.2201
Epoch 2460800.5
nobs 1985
nopp 20
Years observed 1994-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.717
ep 0.169
sin(ip) 0.145
G 0.150
H 14.800
Mass
D 6.84 0.097
pV 0.055 0.0069
Value
Rotational Period 34.020
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7172 0.1687 0.1455 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.76 0.159 0.159 Masiero 2011ApJ...741...68M NEATM
6.88 0.123 0.123 Masiero 2011ApJ...741...68M NEATM
7.51 2.330 2.330 Masiero 2020PSJ.....1....5M NEATM
7.58 2.670 2.670 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0380 0.0380 Masiero 2020PSJ.....1....5M NEATM
0.045 0.0410 0.0410 Masiero 2020PSJ.....1....5M NEATM
0.054 0.0115 0.0115 Masiero 2011ApJ...741...68M NEATM
0.056 0.0091 0.0091 Masiero 2011ApJ...741...68M 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
14.80 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
34.0208 2 Synodic Pal 2020ApJS..247...26P Lightcurve