1987 TA

1987TA, 07748, 1980 TP15, 1980TP15, J80T15P, J87T00A

All data for this body: [vot]

MPC data
Name (number) 1987 TA (7748)
a 2.31350
e 0.24142
i / sin(i) 4.5404 / 0.07916
q 1.75498
Q 2.87202
ω 17.9831
Node 340.4528
m 257.7201
n 0.2801
Epoch 2460800.5
nobs 3888
nopp 24
Years observed 1980-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.313
ep 0.200
sin(ip) 0.082
G 0.150
H 14.030
Mass
D 3.96 0.227
pV 0.281 0.0535
Value
Rotational Period 4.200
Period quality 3-
Spectral Class Sr
Spectral Class Score 21.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
163 Erigone 0 Erigone Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3133 0.1998 0.0816 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.39 0.700 0.700 Nugent 2016AJ....152...63N NEATM
3.54 0.560 0.560 Nugent 2016AJ....152...63N NEATM
4.14 0.265 0.265 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.259 0.0681 0.0681 Masiero 2011ApJ...741...68M NEATM
0.310 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.330 0.1400 0.1400 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
14.03 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.22 3- Synodic Liu 2016MPBu...43....8L Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
L 0.42 Bus VIS Carvano 2010A&A...510A..43C PHOT
L S 0.7134 0.7350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.998 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.8474 0.7350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9318 0.7350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Sr Bus-DeMeo VISNIR Harvison 2024Icar..41215973H SPEC