Darbydyar

07272, 1971 KO, 1971KO, 1980 DD1, 1980DD1, 1991 RG6, 1991RG6, J71K00O, J80D01D, J91R06G

All data for this body: [vot]

MPC data
Name (number) Darbydyar (7272)
a 2.78460
e 0.09871
i / sin(i) 9.6189 / 0.16709
q 2.50973
Q 3.05946
ω 209.0204
Node 30.1938
m 206.2577
n 0.2121
Epoch 2460800.5
nobs 4856
nopp 27
Years observed 1952-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.781
ep 0.131
sin(ip) 0.160
G 0.150
H 12.760
Mass
D 8.04 0.590
pV 0.273 0.0470
Value
Rotational Period 30.330
Period quality 2
Spectral Class S
Spectral Class Score 0.606
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 0 Gefion Novakovic 2019EPSC...13.1671N HCM
1272 Gefion 516 Gefion -0.0900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7814 0.1313 0.1595 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.04 0.590 0.590 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.273 0.0470 0.0470 Masiero 2012ApJ...759L...8M 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
12.76 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
30.334 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
30.3876 2 Sidereal Durech 2019A&A...631A...2D Model
30.388 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.101 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT