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JPL Small-Body Database Browser
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268979 (2007 EG54)
Classification: Main-belt Asteroid          SPK-ID: 2268979
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01954591874583158 7.1456e-08  
a 2.687048972834874 2.9747e-08 au
q 2.634528131945773 1.8614e-07 au
i 6.285061478034595 7.1155e-06 deg
node 40.32612055671999 6.7834e-05 deg
peri 156.6981657978181 0.00019508 deg
M 275.195307375089 0.00018552 deg
tp 2458979.491249860894
(2020-May-09.99124986)
0.0008312 TDB
period 1608.836088273777
4.40
2.6716e-05
7.314e-08
d
yr
n .2237642495863373 3.7158e-09 deg/d
Q 2.739569813723974 3.0329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      9453 days (25.88 yr)  
   first obs. used      1993-01-22  
   last obs. used      2018-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66246  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:01:05  

Additional Information
 Earth MOID = 1.63095 au 
 Jupiter MOID = 2.21821 au 
 T_jup = 3.365 
[ 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 16.6   n/a MPO418427  

268979 (2007 EG54)          Discovered 2007-Mar-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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