Jameschafer

1977 TL, 1977TL, 1999 EK11, 1999EK11, 2000 LM2, 2000LM2, 30421, J77T00L, J99E11K, K00L02M

All data for this body: [vot]

MPC data
Name (number) Jameschafer (30421)
a 2.79663
e 0.11653
i / sin(i) 9.7138 / 0.16873
q 2.47073
Q 3.12252
ω 116.0714
Node 149.3600
m 112.3461
n 0.2107
Epoch 2460800.5
nobs 2163
nopp 23
Years observed 1996-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.798
ep 0.125
sin(ip) 0.161
G 0.150
H 14.460
Mass
D 4.09 0.562
pV 0.221 0.0354
Value
Rotational Period 11.085
Period quality 2
Spectral Class S
Spectral Class Score 7.428
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 0.2700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7983 0.1247 0.1609 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.09 0.562 0.562 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.221 0.0354 0.0354 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
14.46 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.0854 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
K 0.551 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.9047 0.9047 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
SQ 0.52 Bus VIS Carvano 2010A&A...510A..43C PHOT