1998 TA18

1998TA18, 11386, 1973 YY2, 1973YY2, 1984 YQ5, 1984YQ5, 1984 YT6, 1984YT6, 1987 QU9, 1987QU9, 1991 XJ2, 1991XJ2, J73Y02Y, J84Y05Q, J84Y06T, J87Q09U, J91X02J, J98T18A

All data for this body: [vot]

MPC data
Name (number) 1998 TA18 (11386)
a 2.34950
e 0.27733
i / sin(i) 6.8672 / 0.11957
q 1.69792
Q 3.00108
ω 97.3101
Node 261.3205
m 144.7187
n 0.2737
Epoch 2460800.5
nobs 3441
nopp 25
Years observed 1973-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.351
ep 0.226
sin(ip) 0.145
G 0.150
H 13.810
Mass
D 12.69 0.043
pV 0.042 0.0044
Value
Rotational Period 15.950
Period quality 3
Spectral Class C
Spectral Class Score 8.729
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3507 0.2264 0.1453 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.46 2.670 2.670 Masiero 2020PSJ.....1....5M NEATM
11.67 2.700 2.700 Masiero 2021PSJ.....2..162M NEATM
11.68 3.670 3.670 Nugent 2016AJ....152...63N NEATM
11.84 1.000 1.000 Tedesco 2002AJ....123.1056T STM
12.27 3.000 3.000 Masiero 2021PSJ.....2..162M NEATM
12.60 0.070 0.070 Masiero 2014ApJ...791..121M NEATM
12.76 0.055 0.055 Masiero 2011ApJ...741...68M NEATM
12.76 3.590 3.590 Masiero 2021PSJ.....2..162M NEATM
8.93 1.140 1.140 Usui 2011PASJ...63.1117U NEATM
9.18 2.179 2.179 Masiero 2017AJ....154..168M NEATM
9.25 1.850 1.850 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0140 0.0240 Masiero 2021PSJ.....2..162M NEATM
0.037 0.0077 0.0077 Masiero 2011ApJ...741...68M NEATM
0.039 0.0220 0.0220 Masiero 2020PSJ.....1....5M NEATM
0.040 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.040 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.045 0.0160 0.0240 Masiero 2021PSJ.....2..162M NEATM
0.046 0.0090 0.0090 Tedesco 2002AJ....123.1056T STM
0.052 0.0180 0.0270 Masiero 2021PSJ.....2..162M NEATM
0.057 0.0243 0.0243 Masiero 2017AJ....154..168M NEATM
0.076 0.0300 0.0300 Ali-Lagoa 2018A&A...612A..85A 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
13.81 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.943 3- Synodic Aznar 2017MPBu...44...60A Lightcurve
15.95 2 Synodic Casalnuovo 2017MPBu...44..178C Lightcurve
15.959 3 Synodic Pravec LCDB Lightcurve
15.962 3 Synodic Behrend LCDB Lightcurve
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 0.46 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.724 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C None None Movis NIR Popescu 2018A&A...617A..12P PHOT
C X 0.0775 0.1130 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.4678 0.1130 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT