Keeler

02261, 1977 HC, 1977HC, J77H00C

All data for this body: [vot]

MPC data
Name (number) Keeler (2261)
a 2.37906
e 0.23625
i / sin(i) 22.7368 / 0.38650
q 1.81701
Q 2.94110
ω 99.9896
Node 102.5497
m 234.0579
n 0.2686
Epoch 2460200.5
nobs 4491
nopp 24
Years observed 1977-2023
rms 0.45
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.378
ep 0.220
sin(ip) 0.398
Value Standard error
G 0.150
H 13.040
Mass
D 7.67 0.044
pV 0.236 0.0287
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 701 Phocaea -0.3200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3777 0.2201 0.3978 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.32 0.210 0.210 Masiero 2014ApJ...791..121M NEATM
7.69 0.045 0.045 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.219 0.0351 0.0351 Masiero 2011ApJ...741...68M NEATM
0.270 0.0500 0.0500 Masiero 2014ApJ...791..121M 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
13.04 MPC-2023-12-04 MPC-2023-12-04 Phot