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99507 (2002 EL1)
Classification: Main-belt Asteroid          SPK-ID: 2099507
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09067296519094606 3.6654e-08  
a 2.185195546105024 7.8812e-09 au
q 1.987057386417633 8.1057e-08 au
i 3.818525081701917 5.2014e-06 deg
node 347.9160770999161 5.4538e-05 deg
peri 238.7900917125651 6.1356e-05 deg
M 243.9549796926003 2.9326e-05 deg
tp 2459580.827645604778
(2022-Jan-01.32764560)
9.6907e-05 TDB
period 1179.869261559252
3.23
6.383e-06
1.748e-08
d
yr
n .3051185514607297 1.6507e-09 deg/d
Q 2.383333705792416 8.5958e-09 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      8474 days (23.20 yr)  
   first obs. used      1997-11-29  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60374  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:27:39  

Additional Information
 Earth MOID = .979624 au 
 Jupiter MOID = 2.59981 au 
 T_jup = 3.669 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.05   n/a MPCxxxxx  

99507 (2002 EL1)          Discovered 2002-Mar-06 by Kusnirak, P. at Ondrejov
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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