1999 XH175

1999XH175, 1998 SQ76, 1998SQ76, 45207, J98S76Q, J99XH5H

All data for this body: [vot]

MPC data
Name (number) 1999 XH175 (45207)
a 2.86745
e 0.29692
i / sin(i) 13.3198 / 0.23039
q 2.01605
Q 3.71884
ω 179.8703
Node 301.9090
m 80.0592
n 0.2030
Epoch 2460800.5
nobs 1441
nopp 21
Years observed 1993-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.854
ep 0.345
sin(ip) 0.227
G 0.150
H 14.440
Mass
D 8.58 0.058
pV 0.050 0.0066
Value
Rotational Period 8.530
Period quality 2
Spectral Class B
Spectral Class Score 4.902
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8536 0.3454 0.2265 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.12 1.490 1.490 Nugent 2016AJ....152...63N NEATM
6.88 2.080 2.080 Masiero 2021PSJ.....2..162M NEATM
8.58 0.058 0.058 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.048 0.0068 0.0068 Masiero 2011ApJ...741...68M NEATM
0.065 0.0270 0.0450 Masiero 2021PSJ.....2..162M NEATM
0.080 0.0500 0.0500 Nugent 2016AJ....152...63N 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
14.44 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.538 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.817 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.1274 0.1274 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT