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312384 (2008 EE117)
Classification: Main-belt Asteroid          SPK-ID: 2312384
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05229063084257613 6.4122e-08  
a 2.872206743066502 3.3517e-08 au
q 2.722017240561254 1.9082e-07 au
i 2.293274444875676 7.7603e-06 deg
node 165.8999320355984 0.00016373 deg
peri 259.5325260465939 0.00018453 deg
M 302.0121700895941 7.9678e-05 deg
tp 2459286.888997128910
(2021-Mar-13.38899713)
0.00039235 TDB
period 1777.959946521578
4.87
3.1121e-05
8.52e-08
d
yr
n .2024792519675757 3.5442e-09 deg/d
Q 3.022396245571751 3.5269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      5534 days (15.15 yr)  
   first obs. used      2005-08-30  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67905  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:47:40  

Additional Information
 Earth MOID = 1.73655 au 
 Jupiter MOID = 2.1388 au 
 T_jup = 3.294 
[ 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 16.9   n/a MPO440461  

312384 (2008 EE117)          Discovered 2008-Mar-08 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ hide close-approach data ]
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
2024-Jan-03 15:42 00:03 Psych 0.0360876048357202 0.0360776070909237 0.0360976047283624 1.71131025814656 1.71131006223215 2460313.154279932 3.13416341156076 675.94049256399 157.919079578233 -44.3916948034151 24466.8072737508 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 18:47:40 2020-Nov-11 18:47
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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