1981 EW7

1981EW7, 1998 FW129, 1998FW129, 37541, J81E07W, J98FC9W

All data for this body: [vot]

MPC data
Name (number) 1981 EW7 (37541)
a 2.62309
e 0.13135
i / sin(i) 11.6124 / 0.20129
q 2.27855
Q 2.96762
ω 39.1821
Node 193.1837
m 95.1855
n 0.2320
Epoch 2460800.5
nobs 1519
nopp 22
Years observed 1981-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Adeona (145)
 
ap 2.623
ep 0.160
sin(ip) 0.203
G 0.150
H 15.310
Mass
D 5.62 0.758
pV 0.056 0.0338
Value
Rotational Period 49.190
Period quality 2
Spectral Class C
Spectral Class Score 0.202
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
145 Adeona 0 Adeona Novakovic 2019EPSC...13.1671N HCM
145 Adeona 505 Adeona -0.7200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6229 0.1598 0.2029 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.62 0.758 0.758 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.056 0.0338 0.0338 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
15.31 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
49.192 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C C 0.0336 0.0336 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT