Coughlin

12237, 1987 HE, 1987HE, 1994 JE, 1994JE, J87H00E, J94J00E

All data for this body: [vot]

MPC data
Name (number) Coughlin (12237)
a 2.29329
e 0.19927
i / sin(i) 23.4054 / 0.39724
q 1.83631
Q 2.75027
ω 14.3740
Node 169.7584
m 2.9211
n 0.2838
Epoch 2460800.5
nobs 5241
nopp 23
Years observed 1987-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.293
ep 0.247
sin(ip) 0.382
G 0.150
H 14.220
Mass
D 4.75 0.177
pV 0.230 0.0334
Value
Rotational Period 80.000
Period quality 2
Spectral Class None
Spectral Class Score
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 -0.9500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2927 0.2470 0.3822 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.27 1.050 1.050 Nugent 2016AJ....152...63N NEATM
4.76 0.180 0.180 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.210 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.236 0.0380 0.0380 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
14.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
80.4 2 Synodic Rowe 2019MPBu...46...92R Lightcurve
80.647 2 Sidereal Durech 2020A&A...643A..59D Model