Antonella

07957, 1981 KD1, 1981KD1, 1992 TV1, 1992TV1, 1994 BT, 1994BT, J81K01D, J92T01V, J94B00T

All data for this body: [vot]

MPC data
Name (number) Antonella (7957)
a 2.77201
e 0.11651
i / sin(i) 9.0150 / 0.15669
q 2.44904
Q 3.09498
ω 111.0432
Node 6.2356
m 294.6745
n 0.2136
Epoch 2460800.5
nobs 2852
nopp 24
Years observed 1981-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.773
ep 0.135
sin(ip) 0.159
G 0.150
H 13.790
Mass
D 5.13 1.088
pV 0.268 0.1886
Value
Rotational Period 5.095
Period quality 2
Spectral Class L
Spectral Class Score 4.596
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 -0.2800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7730 0.1351 0.1589 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.13 1.088 1.088 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.268 0.1886 0.1886 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
13.79 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.09485 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
A 0.21 Bus VIS Carvano 2010A&A...510A..43C PHOT
L 0.766 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.1075 0.1075 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT