1998 EV1

1998EV1, 19396, 1999 NM31, 1999NM31, J98E01V, J99N31M

All data for this body: [vot]

MPC data
Name (number) 1998 EV1 (19396)
a 2.71879
e 0.12973
i / sin(i) 2.2498 / 0.03926
q 2.36609
Q 3.07149
ω 320.5109
Node 23.4620
m 104.4514
n 0.2199
Epoch 2460200.5
nobs 2073
nopp 25
Years observed 1954-2023
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.720
ep 0.094
sin(ip) 0.038
Value Standard error
G 0.150
H 14.720
Mass
D 4.35 0.424
pV 0.178 0.0522
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7203 0.0938 0.0379 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.35 0.424 0.424 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.178 0.0522 0.0522 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
14.72 MPC-2023-12-04 MPC-2023-12-04 Phot