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79987 (1999 EJ10)
Classification: Main-belt Asteroid          SPK-ID: 2079987
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183969712559237 4.3455e-08  
a 2.806501223866716 1.3038e-08 au
q 2.474219979134853 1.2742e-07 au
i 5.377431239768336 5.8092e-06 deg
node 343.5545688636738 3.433e-05 deg
peri 66.97662262381273 4.1981e-05 deg
M 13.24668817487681 2.3441e-05 deg
tp 2459333.309601639292
(2021-Apr-28.80960164)
0.00011175 TDB
period 1717.300438384197
4.70
1.1967e-05
3.276e-08
d
yr
n .2096313446112684 1.4608e-09 deg/d
Q 3.138782468598578 1.4581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      977  
   data-arc span      18221 days (49.89 yr)  
   first obs. used      1971-03-25  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49601  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:10:16  

Additional Information
 Earth MOID = 1.49 au 
 Jupiter MOID = 2.23115 au 
 T_jup = 3.306 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.89   n/a E2021B10  
diameter diameter 5.786 km 0.323 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79987 (1999 EJ10)          Discovered 1999-Mar-14 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1999 EJ10 = 1999 CU135 = 2001 QX8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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