1999 XA170

1999XA170, 13865, 1977 UZ1, 1977UZ1, 1981 ST2, 1981ST2, 1981 SZ5, 1981SZ5, 1994 RY10, 1994RY10, J77U01Z, J81S02T, J81S05Z, J94R10Y, J99XH0A

All data for this body: [vot]

MPC data
Name (number) 1999 XA170 (13865)
a 2.66527
e 0.22909
i / sin(i) 3.2258 / 0.05627
q 2.05468
Q 3.27585
ω 17.7504
Node 316.8646
m 19.5376
n 0.2265
Epoch 2460800.5
nobs 2459
nopp 26
Years observed 1971-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Leonidas (2782)
 
ap 2.666
ep 0.194
sin(ip) 0.070
G 0.150
H 14.340
Mass
D 8.45 0.199
pV 0.061 0.0036
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 7.694
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
2782 Leonidas 528 Leonidas Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
144 Vibilia 529 Vibilia Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6658 0.1938 0.0702 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.76 1.780 1.780 Masiero 2021PSJ.....2..162M NEATM
6.77 2.080 2.080 Masiero 2020PSJ.....1....5M NEATM
6.85 2.190 2.190 Masiero 2021PSJ.....2..162M NEATM
7.26 1.948 1.948 Masiero 2017AJ....154..168M NEATM
8.51 0.204 0.204 Masiero 2011ApJ...741...68M NEATM
9.12 2.680 2.680 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.054 0.0210 0.0350 Masiero 2021PSJ.....2..162M NEATM
0.061 0.0037 0.0037 Masiero 2011ApJ...741...68M NEATM
0.070 0.0332 0.0332 Masiero 2017AJ....154..168M NEATM
0.079 0.0340 0.0580 Masiero 2021PSJ.....2..162M NEATM
0.080 0.1440 0.1440 Masiero 2020PSJ.....1....5M 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
14.34 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.95 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.6324 0.6324 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT