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JPL Small-Body Database Browser
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212145 (2005 EM280)
Classification: Main-belt Asteroid          SPK-ID: 2212145
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1317477025653476 7.3209e-08  
a 2.600153138210616 3.9123e-08 au
q 2.257588935933289 1.9763e-07 au
i 6.878916581789944 7.1128e-06 deg
node 138.9267478587118 6.2146e-05 deg
peri 86.22528005587247 8.323e-05 deg
M 101.4952231139664 6.8866e-05 deg
tp 2458168.742471540476
(2018-Feb-19.24247154)
0.00028519 TDB
period 1531.428824693524
4.19
3.4564e-05
9.463e-08
d
yr
n .2350745879894515 5.3056e-09 deg/d
Q 2.942717340487943 4.4278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      5350 days (14.65 yr)  
   first obs. used      2005-03-10  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62945  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:51:43  

Additional Information
 Earth MOID = 1.26145 au 
 Jupiter MOID = 2.06775 au 
 T_jup = 3.393 
[ 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 16.7   n/a MPO454523  

212145 (2005 EM280)          Discovered 2005-Mar-10 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ 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
2021-Jan-13 20:54 00:04 Europ 0.0370830957667922 0.0370802188628868 0.0370859726878527 2.38497180137891 2.38497168120436 2459228.370717322 3.80748373154776 216.145238548746 138.803996269334 77.7151202148195 39357.8873412212 T 11 CATAB v2.0f-lin.ifort 2019-Dec-04 16:51:45 2019-Dec-04 16:51
2075-Jan-12 00:11 00:39 Europ 0.0348657521825822 0.0348564865891853 0.0348750202755728 1.96444567692258 1.96444552174368 2478949.507481011 39.4416125738179 676.780459591353 163.36385124143 49.0428978742139 24567.6731320177 T 11 CATAB v2.0f-lin.ifort 2019-Dec-04 16:51:45 2019-Dec-04 16:51
2151-Aug-17 22:28 00:10 Hebe 0.0113290985801286 0.0112752396937461 0.0113832475892249 6.47357272389311 6.4735726391278 2506925.436031972 9.55216468508336 3927.32146418852 74.9894566302957 46.7332273993508 16454.5895785768 T 11 CATAB v2.0f-lin.ifort 2019-Dec-04 16:51:45 2019-Dec-04 16:51
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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