Ballard

11277, 1988 TW2, 1988TW2, 1995 MG, 1995MG, J88T02W, J95M00G

All data for this body: [vot]

MPC data
Name (number) Ballard (11277)
a 2.40282
e 0.23889
i / sin(i) 22.7882 / 0.38733
q 1.82882
Q 2.97682
ω 43.5122
Node 254.5421
m 350.5677
n 0.2646
Epoch 2460800.5
nobs 3292
nopp 23
Years observed 1988-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.404
ep 0.270
sin(ip) 0.392
G 0.150
H 13.220
Mass
D 6.39 0.041
pV 0.254 0.0109
Value
Rotational Period 15.800
Period quality 2
Spectral Class S
Spectral Class Score 4.824
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
25 Phocaea 701 Phocaea 0.0400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4037 0.2695 0.3924 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.20 1.270 1.270 Nugent 2016AJ....152...63N NEATM
6.21 0.190 0.190 Masiero 2012ApJ...759L...8M NEATM
6.30 0.080 0.080 Masiero 2014ApJ...791..121M NEATM
6.45 0.050 0.050 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.190 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.220 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.269 0.0138 0.0138 Masiero 2011ApJ...741...68M NEATM
0.289 0.0450 0.0450 Masiero 2012ApJ...759L...8M 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
13.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.0 2- Synodic Carbognani 2011MPBu...38...57C Lightcurve
15.83 2 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
S 0.804 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT