Memel

1998 ME47, 1998ME47, 2000 YC49, 2000YC49, 40092, J98M47E, K00Y49C

All data for this body: [vot]

MPC data
Name (number) Memel (40092)
a 2.75449
e 0.09970
i / sin(i) 7.8426 / 0.13645
q 2.47987
Q 3.02910
ω 315.0082
Node 287.3334
m 353.7958
n 0.2156
Epoch 2460800.5
nobs 1543
nopp 20
Years observed 1998-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.755
ep 0.127
sin(ip) 0.156
G 0.150
H 14.840
Mass
D 3.20 0.545
pV 0.274 0.1048
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 5.590
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 -0.4900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7551 0.1267 0.1562 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.20 0.545 0.545 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.274 0.1048 0.1048 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
14.84 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
L 0.36 Bus VIS Carvano 2010A&A...510A..43C PHOT
L L 0.4783 0.4783 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT