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212052 (2005 EG20)
Classification: Main-belt Asteroid          SPK-ID: 2212052
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1049956814239766 3.6661e-08  
a 2.346345801306215 1.5602e-08 au
q 2.099989625041782 8.7675e-08 au
i 3.402496537653229 4.7409e-06 deg
node 152.8812884053527 7.1028e-05 deg
peri 103.59610850 7.5034e-05 deg
M 3.427918715010462 2.5789e-05 deg
tp 2458987.999871758149
(2020-May-18.49987176)
9.399e-05 TDB
period 1312.763382445779
3.59
1.3094e-05
3.585e-08
d
yr
n .2742306837728002 2.7352e-09 deg/d
Q 2.592701977570647 1.724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      6081 days (16.65 yr)  
   first obs. used      2003-10-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59977  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:03:28  

Additional Information
 Earth MOID = 1.08819 au 
 Jupiter MOID = 2.44301 au 
 T_jup = 3.551 
[ 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 16.5   n/a MPO437019  

212052 (2005 EG20)          Discovered 2005-Mar-03 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2050-Sep-03 22:00 00:11 Psych 0.0250555036781043 0.0250521903807633 0.0250588170374613 1.96650633760554 1.96650609204719 2470053.416752765 10.8996204225137 178.376875651114 68.6774154024634 24.5587596949632 29551.4501042309 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 04:03:30 2020-Nov-12 04:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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