1999 TQ248

1999TQ248, 1993 TT21, 1993TT21, 1998 QH68, 1998QH68, 38516, J93T21T, J98Q68H, J99TO8Q

All data for this body: [vot]

MPC data
Name (number) 1999 TQ248 (38516)
a 3.11940
e 0.19100
i / sin(i) 17.0153 / 0.29263
q 2.52358
Q 3.71521
ω 80.1863
Node 204.2256
m 339.7588
n 0.1789
Epoch 2460800.5
nobs 4079
nopp 24
Years observed 1993-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.124
ep 0.168
sin(ip) 0.308
G 0.150
H 12.760
Mass
D 15.48 2.512
pV 0.068 0.0253
Value
Rotational Period 5.040
Period quality 2
Spectral Class C
Spectral Class Score 6.416
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1240 0.1679 0.3078 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.76 5.200 5.200 Nugent 2016AJ....152...63N NEATM
14.41 4.580 4.580 Masiero 2021PSJ.....2..162M NEATM
17.03 3.680 3.680 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.067 0.0330 0.0330 Masiero 2012ApJ...759L...8M NEATM
0.069 0.0320 0.0590 Masiero 2021PSJ.....2..162M NEATM
0.070 0.0800 0.0800 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
12.76 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.047 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
5.04788 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
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.68 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.5093 0.5093 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.765 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT