1999 XL227

1999XL227, 1997 EF33, 1997EF33, 25587, J97E33F, J99XM7L

All data for this body: [vot]

MPC data
Name (number) 1999 XL227 (25587)
a 2.20502
e 0.19246
i / sin(i) 6.1181 / 0.10658
q 1.78063
Q 2.62940
ω 203.7483
Node 104.2439
m 61.1435
n 0.3010
Epoch 2460800.5
nobs 2911
nopp 22
Years observed 1991-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.205
ep 0.137
sin(ip) 0.093
G 0.150
H 15.380
Mass
D 2.41 0.252
pV 0.278 0.1205
Value
Rotational Period 8.952
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 0 Flora Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.0200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2052 0.1372 0.0933 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.41 0.252 0.252 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.278 0.1205 0.1205 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
15.38 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.95162 2 Synodic Pal 2020ApJS..247...26P Lightcurve