Grahamchapman

09617, 1991 RN18, 1991RN18, 1993 FA5, 1993FA5, J91R18N, J93F05A

All data for this body: [vot]

MPC data
Name (number) Grahamchapman (9617)
a 2.22427
e 0.11315
i / sin(i) 6.1426 / 0.10700
q 1.97260
Q 2.47594
ω 281.7378
Node 165.5029
m 327.7792
n 0.2971
Epoch 2460800.5
nobs 4994
nopp 24
Years observed 1951-2024
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.224
ep 0.154
sin(ip) 0.114
G 0.150
H 14.940
Mass
D 2.84 0.382
pV 0.244 0.0393
Value
Rotational Period 2.285
Period quality 3
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 0 Flora Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.1500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2244 0.1542 0.1139 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.84 0.382 0.382 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.244 0.0393 0.0393 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
14.94 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.2856 3 Synodic Pray 2006CBET..414....1P Lightcurve
2.28561 3 Synodic Pravec 2012Icar..218..125P Lightcurve
2.28561 3 Synodic Pravec 2012Icar..218..125P Lightcurve