1991 ES1

1991ES1, 07875, 1976 SL8, 1976SL8, 1993 PM4, 1993PM4, J76S08L, J91E01S, J93P04M

All data for this body: [vot]

MPC data
Name (number) 1991 ES1 (7875)
a 2.64252
e 0.18173
i / sin(i) 14.1337 / 0.24419
q 2.16230
Q 3.12274
ω 264.9808
Node 165.3339
m 278.5562
n 0.2294
Epoch 2460200.5
nobs 3990
nopp 26
Years observed 1976-2023
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.643
ep 0.169
sin(ip) 0.247
Value Standard error
G 0.150
H 12.460
Mass
D 14.80 0.078
pV 0.084 0.0066
Rotational Period 20.046
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6435 0.1687 0.2470 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.65 2.750 2.750 Nugent 2016AJ....152...63N NEATM
13.19 3.430 3.430 Masiero 2021PSJ.....2..162M NEATM
14.56 3.590 3.590 Masiero 2021PSJ.....2..162M NEATM
14.61 0.082 0.082 Masiero 2011ApJ...741...68M NEATM
15.04 4.047 4.047 Masiero 2017AJ....154..168M NEATM
15.44 1.540 1.540 Ali-Lagoa 2018A&A...612A..85A NEATM
15.95 0.450 0.450 Usui 2011PASJ...63.1117U NEATM
17.02 3.400 3.400 Ali-Lagoa 2018A&A...612A..85A NEATM
17.06 0.320 0.320 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.077 0.0310 0.0310 Ali-Lagoa 2018A&A...612A..85A NEATM
0.080 0.0080 0.0080 Masiero 2012ApJ...759L...8M NEATM
0.083 0.0394 0.0394 Masiero 2017AJ....154..168M NEATM
0.092 0.0420 0.0770 Masiero 2021PSJ.....2..162M NEATM
0.093 0.0190 0.0190 Ali-Lagoa 2018A&A...612A..85A NEATM
0.094 0.0340 0.0530 Masiero 2021PSJ.....2..162M NEATM
0.100 0.0232 0.0232 Masiero 2011ApJ...741...68M NEATM
0.110 0.0600 0.0600 Nugent 2016AJ....152...63N 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
12.46 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
20.05 Waszczak 2015AJ....150...75W Lightcurve