1999 XG144

1999XG144, 1990 WK9, 1990WK9, 25536, J90W09K, J99XE4G

All data for this body: [vot]

MPC data
Name (number) 1999 XG144 (25536)
a 2.63524
e 0.07422
i / sin(i) 22.8401 / 0.38816
q 2.43967
Q 2.83082
ω 306.0616
Node 76.4623
m 49.1883
n 0.2304
Epoch 2460800.5
nobs 3423
nopp 21
Years observed 1986-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent Hansa (480)
 
ap 2.635
ep 0.062
sin(ip) 0.374
G 0.150
H 13.480
Mass
D 5.55 0.195
pV 0.330 0.0240
Value
Rotational Period 10.735
Period quality 2
Spectral Class S
Spectral Class Score 6.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
480 Hansa 0 Hansa Novakovic 2019EPSC...13.1671N HCM
480 Hansa 803 Hansa Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6345 0.0616 0.3742 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.55 0.195 0.195 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.330 0.0240 0.0240 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
13.48 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.7355 2 Synodic Pal 2020ApJS..247...26P Lightcurve
10.7423 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT