1997 EW25

1997EW25, 13199, 1977 HJ, 1977HJ, J77H00J, J97E25W

All data for this body: [vot]

MPC data
Name (number) 1997 EW25 (13199)
a 2.24144
e 0.07122
i / sin(i) 6.9498 / 0.12100
q 2.08181
Q 2.40107
ω 205.7314
Node 15.7206
m 102.0575
n 0.2937
Epoch 2460800.5
nobs 3883
nopp 22
Years observed 1977-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.242
ep 0.109
sin(ip) 0.114
G 0.150
H 14.870
Mass
D 2.44 0.485
pV 0.470 0.1629
Value
Rotational Period 35.600
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2417 0.1086 0.1142 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.44 0.485 0.485 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.470 0.1629 0.1629 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
14.87 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
35.6006 2 Synodic Pal 2020ApJS..247...26P Lightcurve