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72989 (2002 EW1)
Classification: Main-belt Asteroid          SPK-ID: 2072989
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 .1714727635728253 3.2696e-08  
a 2.214687599032761 1.1101e-08 au
q 1.834928995976148 7.133e-08 au
i 22.57579827516838 6.3137e-06 deg
node 2.841407976740568 1.1204e-05 deg
peri 252.1766588328945 2.4964e-05 deg
M 175.3780759805683 2.4808e-05 deg
tp 2458614.037917570347
(2019-May-10.53791757)
8.1192e-05 TDB
period 1203.835476551059
3.30
9.0509e-06
2.478e-08
d
yr
n .2990441858644886 2.2483e-09 deg/d
Q 2.594446202089373 1.3004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      892  
   data-arc span      7928 days (21.71 yr)  
   first obs. used      1999-04-20  
   last obs. used      2021-01-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:05:10  

Additional Information
 Earth MOID = .933297 au 
 Jupiter MOID = 2.60634 au 
 T_jup = 3.536 
[ 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 15.85   n/a MPCxxxxx  

72989 (2002 EW1)          Discovered 2002-Mar-06 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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