1997EF

1999VK68, 21343, J97E00F, J99V68K

All data for this body: [vot]

MPC data
Name (number) 1997EF (21343)
Packed designation 21343
a 2.44218
e 0.13972
i / sin(i) 3.9037 / 0.06808
q 2.10095
Q 2.78341
ω 129.2362
Node 72.3137
m 158.9839
n 0.2582
Epoch 2459600.5
nobs 2363
nopp 21
Years observed 1991-2021
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.441
ep 0.172
sin(ip) 0.053
Value Standard error
G 0.150
H 14.480
Mass
D 3.50 0.660
pV 0.329 0.2167
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana 0.2900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4414 0.1724 0.0528 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.50 0.660 0.660 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.329 0.2167 0.2167 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.48 MPC-2022-01-18 MPC-2022-01-18 Phot