2141 T-2

2141T-2, 15659, 1987 SQ27, 1987SQ27, 1999 CN45, 1999CN45, J87S27Q, J99C45N, T2S2141

All data for this body: [vot]

MPC data
Name (number) 2141 T-2 (15659)
a 2.80183
e 0.05260
i / sin(i) 5.1410 / 0.08961
q 2.65444
Q 2.94922
ω 324.4358
Node 9.3672
m 28.4932
n 0.2102
Epoch 2460800.5
nobs 3061
nopp 24
Years observed 1973-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.803
ep 0.028
sin(ip) 0.090
G 0.150
H 13.900
Mass
D 12.50 0.098
pV 0.041 0.0058
Value
Rotational Period 135.210
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8026 0.0283 0.0902 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.50 2.700 2.700 Nugent 2016AJ....152...63N NEATM
11.93 3.320 3.320 Nugent 2016AJ....152...63N NEATM
12.02 2.940 2.940 Masiero 2021PSJ.....2..162M NEATM
12.50 0.098 0.098 Masiero 2011ApJ...741...68M NEATM
12.97 3.210 3.210 Masiero 2021PSJ.....2..162M NEATM
14.04 3.450 3.450 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.033 0.0290 0.0290 Masiero 2012ApJ...759L...8M NEATM
0.034 0.0180 0.0380 Masiero 2021PSJ.....2..162M NEATM
0.039 0.0180 0.0340 Masiero 2021PSJ.....2..162M NEATM
0.040 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.042 0.0064 0.0064 Masiero 2011ApJ...741...68M 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
13.90 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
134.82 2 Sidereal Durech 2023A&A...675A..24D Model
135.212 2 Synodic Waszczak 2015AJ....150...75W Lightcurve