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72999 (2002 EN20)
Classification: Main-belt Asteroid          SPK-ID: 2072999
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07231658989546377 4.0977e-08  
a 2.325432644470939 9.4824e-09 au
q 2.15726528559121 9.2196e-08 au
i 6.412706426016128 3.3806e-06 deg
node 154.8780672535129 3.4956e-05 deg
peri 75.43734628920674 4.4613e-05 deg
M 72.01454970220452 2.5384e-05 deg
tp 2458941.397369116989
(2020-Apr-01.89736912)
9.1991e-05 TDB
period 1295.251411049629
3.55
7.9225e-06
2.169e-08
d
yr
n .2779383191007436 1.7e-09 deg/d
Q 2.493600003350668 1.0168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      899  
   data-arc span      8260 days (22.61 yr)  
   first obs. used      1998-01-07  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56147  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:05:13  

Additional Information
 Earth MOID = 1.15676 au 
 Jupiter MOID = 2.4932 au 
 T_jup = 3.563 
[ 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 15.89   n/a E2021B10  

72999 (2002 EN20)          Discovered 2002-Mar-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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