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212293 (2005 MG28)
Classification: Main-belt Asteroid          SPK-ID: 2212293
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05874695975548874 4.7092e-08  
a 3.118022193306427 4.1182e-08 au
q 2.934847868999533 1.4861e-07 au
i 10.32358624628514 6.7436e-06 deg
node 153.5575162086026 3.5358e-05 deg
peri 116.2217954676957 7.6651e-05 deg
M 212.4401278632475 6.7909e-05 deg
tp 2459424.795633777450
(2021-Jul-29.29563378)
0.00038336 TDB
period 2011.023890593166
5.51
3.9841e-05
1.091e-07
d
yr
n .1790132885461721 3.5465e-09 deg/d
Q 3.30119651761332 4.3601e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      5816 days (15.92 yr)  
   first obs. used      2003-01-28  
   last obs. used      2018-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57875  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:04:58  

Additional Information
 Earth MOID = 1.93651 au 
 Jupiter MOID = 1.83478 au 
 T_jup = 3.189 
[ 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 15.5   n/a MPO427249  
diameter diameter 5.300 km 0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212293 (2005 MG28)          Discovered 2005-Jun-29 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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