1997 TA18

1997TA18, 27972, J97T18A

All data for this body: [vot]

MPC data
Name (number) 1997 TA18 (27972)
a 2.63936
e 0.17867
i / sin(i) 11.4746 / 0.19893
q 2.16777
Q 3.11094
ω 225.6154
Node 187.3264
m 175.4486
n 0.2299
Epoch 2460800.5
nobs 3517
nopp 22
Years observed 1992-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent Adeona (145)
 
ap 2.639
ep 0.164
sin(ip) 0.200
G 0.150
H 14.600
Mass
D 6.18 0.936
pV 0.062 0.0251
Value
Rotational Period 3.941
Period quality 2
Spectral Class C
Spectral Class Score 13.567
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
145 Adeona 0 Adeona Novakovic 2019EPSC...13.1671N HCM
145 Adeona 505 Adeona -0.6900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6385 0.1635 0.2002 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.82 1.380 1.380 Masiero 2020PSJ.....1....5M NEATM
6.48 3.350 3.350 Masiero 2012ApJ...759L...8M NEATM
6.49 2.020 2.020 Nugent 2016AJ....152...63N NEATM
6.50 1.880 1.880 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.065 0.0270 0.0460 Masiero 2021PSJ.....2..162M NEATM
0.080 0.1140 0.1140 Masiero 2012ApJ...759L...8M NEATM
0.090 0.0880 0.0880 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
14.60 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.9415 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C C 0.9445 0.4830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.6881 0.4830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.96 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.6633 0.4830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT