1999 EP4

1999EP4, 2000 SR219, 2000SR219, 59368, J99E04P, K00SL9R

All data for this body: [vot]

MPC data
Name (number) 1999 EP4 (59368)
a 2.54673
e 0.20742
i / sin(i) 16.3245 / 0.28108
q 2.01849
Q 3.07496
ω 107.7323
Node 179.3209
m 97.8590
n 0.2425
Epoch 2460800.5
nobs 2347
nopp 20
Years observed 1987-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Gersuind (686)
 
ap 2.548
ep 0.160
sin(ip) 0.292
G 0.150
H 14.700
Mass
D 5.15 1.204
pV 0.127 0.0797
Value
Rotational Period 4.788
Period quality 2
Spectral Class L
Spectral Class Score 6.641
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
686 Gersuind 804 Gersuind Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5478 0.1602 0.2918 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.15 1.204 1.204 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.127 0.0797 0.0797 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
14.70 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.78855 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
L 0.548 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L L 0.1325 0.2440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L L 0.4263 0.2440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
LS 0.12 Bus VIS Carvano 2010A&A...510A..43C PHOT
S L 0.1069 0.2440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S L 0.2689 0.2440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT