1999 XL195

1999XL195, 18881, 1980 BS2, 1980BS2, 1998 QF77, 1998QF77, J80B02S, J98Q77F, J99XJ5L

All data for this body: [vot]

MPC data
Name (number) 1999 XL195 (18881)
a 2.56427
e 0.09698
i / sin(i) 14.2382 / 0.24595
q 2.31559
Q 2.81295
ω 293.4033
Node 310.9810
m 276.0826
n 0.2400
Epoch 2460800.5
nobs 5199
nopp 23
Years observed 1980-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent Maria (170)
 
ap 2.565
ep 0.105
sin(ip) 0.261
G 0.150
H 12.720
Mass
D 9.13 0.064
pV 0.192 0.0169
Value
Rotational Period 2.900
Period quality 3
Spectral Class S
Spectral Class Score 4.103
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
170 Maria 0 Maria Novakovic 2019EPSC...13.1671N HCM
170 Maria 506 Maria 0.2000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5653 0.1054 0.2609 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.04 0.070 0.070 Masiero 2014ApJ...791..121M NEATM
9.67 0.166 0.166 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.173 0.0319 0.0319 Masiero 2011ApJ...741...68M NEATM
0.200 0.0200 0.0200 Masiero 2014ApJ...791..121M 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
12.72 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.97873 2 Sidereal Durech 2023A&A...675A..24D Model
2.978761 2 Sidereal Durech 2020A&A...643A..59D Model
2.98 3 Synodic Kim 2014AJ....147...56K Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S X 0.6839 0.3220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6095 0.3220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT