1999 XE177

1999XE177, 2001 KZ37, 2001KZ37, A3107, J99XH7E, K01K37Z

All data for this body: [vot]

MPC data
Name (number) 1999 XE177 (103107)
a 2.45812
e 0.16501
i / sin(i) 11.2295 / 0.19474
q 2.05251
Q 2.86373
ω 346.1723
Node 84.5385
m 243.3705
n 0.2557
Epoch 2460800.5
nobs 1687
nopp 18
Years observed 1999-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.458
ep 0.171
sin(ip) 0.174
G 0.150
H 14.970
Mass
D 4.28 0.113
pV 0.098 0.0137
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.088
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4578 0.1713 0.1739 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.97 0.760 0.760 Masiero 2012ApJ...759L...8M NEATM
4.28 0.116 0.116 Masiero 2011ApJ...741...68M NEATM
4.48 1.350 1.350 Masiero 2020PSJ.....1....5M NEATM
4.93 1.240 1.240 Nugent 2016AJ....152...63N NEATM
5.07 1.390 1.390 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.075 0.0340 0.0610 Masiero 2021PSJ.....2..162M NEATM
0.088 0.0610 0.0610 Masiero 2020PSJ.....1....5M NEATM
0.116 0.0175 0.0175 Masiero 2011ApJ...741...68M NEATM
0.123 0.0700 0.0700 Masiero 2012ApJ...759L...8M 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
14.97 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
Ds Ds None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S 0.848 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT