Joegoldstein

04989, 1981 DX1, 1981DX1, 1987 SN4, 1987SN4, 1989 EA6, 1989EA6, J81D01X, J87S04N, J89E06A

All data for this body: [vot]

MPC data
Name (number) Joegoldstein (4989)
a 2.57348
e 0.18245
i / sin(i) 12.3528 / 0.21393
q 2.10395
Q 3.04301
ω 81.2721
Node 316.5084
m 23.2044
n 0.2387
Epoch 2460800.5
nobs 2898
nopp 23
Years observed 1981-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.574
ep 0.146
sin(ip) 0.232
G 0.150
H 14.070
Mass
D 5.11 0.513
pV 0.371 0.0939
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 2.820
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.6500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5735 0.1456 0.2324 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.70 0.991 0.991 Masiero 2011ApJ...741...68M NEATM
5.26 0.600 0.600 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.335 0.1244 0.1244 Masiero 2011ApJ...741...68M NEATM
0.420 0.1433 0.1433 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
14.07 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 0.470 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT