Greenwich

02830, 1969 KC, 1969KC, 1978 VZ14, 1978VZ14, 1980 GA, 1980GA, J69K00C, J78V14Z, J80G00A

All data for this body: [vot]

MPC data
Name (number) Greenwich (2830)
a 2.37739
e 0.20627
i / sin(i) 25.3800 / 0.42862
q 1.88701
Q 2.86776
ω 141.5801
Node 48.8816
m 113.9042
n 0.2689
Epoch 2460800.5
nobs 5970
nopp 28
Years observed 1969-2025
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.378
ep 0.245
sin(ip) 0.410
G 0.150
H 12.580
Mass
D 8.83 0.053
pV 0.197 0.0200
Value
Rotational Period 80.068
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
25 Phocaea 701 Phocaea -0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3778 0.2446 0.4104 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.89 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
9.20 0.064 0.064 Masiero 2011ApJ...741...68M NEATM
9.50 0.430 0.430 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.172 0.0270 0.0270 Masiero 2012ApJ...759L...8M NEATM
0.185 0.0451 0.0451 Masiero 2011ApJ...741...68M NEATM
0.260 0.0400 0.0400 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
12.58 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
80.0681 2 Synodic Pal 2020ApJS..247...26P Lightcurve
80.573 2 Sidereal Durech 2018A&A...617A..57D Model
80.57506 2 Sidereal Martikainen 2021A&A...649A..98M Model