Hedera

01251, 1907 GD, 1907GD, 1915 CA, 1915CA, 1929 CD1, 1929CD1, 1931 TJ2, 1931TJ2, 1933 BE, 1933BE, 1975 NW1, 1975NW1, J07G00D, J15C00A, J29C01D, J31T02J, J33B00E, J75N01W

All data for this body: [vot]

MPC data
Name (number) Hedera (1251)
a 2.71792
e 0.15626
i / sin(i) 6.0518 / 0.10543
q 2.29321
Q 3.14263
ω 217.0760
Node 140.6126
m 180.5249
n 0.2200
Epoch 2460200.5
nobs 7147
nopp 45
Years observed 1915-2023
rms 0.43
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.718
ep 0.117
sin(ip) 0.091
Value Standard error
G 0.150
H 10.970
Mass
D 13.24 0.150
pV 0.636 0.0501
Rotational Period 19.900
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7176 0.1174 0.0912 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.24 0.150 0.150 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.636 0.0501 0.0501 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
10.97 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
15.02 Shevchenko 2003P&SS...51..525S Lightcurve
19.90 Oey 2008MPBu...35..132O Lightcurve
19.90 Martikainen 2021A&A...649A..98M Model
19.90 Durech 2016A&A...587A..48D Model
19.90 Durech 2018Icar..304..101D Model
19.91 Behrend LCDB Lightcurve
19.91 Behrend LCDB Lightcurve
19.98 Chiorny 2007P&SS...55..986C Lightcurve