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215793 (2004 MD7)
Classification: Main-belt Asteroid          SPK-ID: 2215793
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2096564249699788 6.1059e-08  
a 3.160358091358372 3.8478e-08 au
q 2.49776871229923 2.0448e-07 au
i 16.55115549158286 7.1414e-06 deg
node 116.3715492969681 2.4036e-05 deg
peri 171.9715644799285 2.9318e-05 deg
M 302.0727235821123 2.0461e-05 deg
tp 2459330.704872102671
(2021-Apr-26.20487210)
0.00012068 TDB
period 2052.120543341371
5.62
3.7478e-05
1.026e-07
d
yr
n .1754282910758395 3.2039e-09 deg/d
Q 3.822947470417514 4.6546e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      7971 days (21.82 yr)  
   first obs. used      1998-06-25  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52798  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:21:34  

Additional Information
 Earth MOID = 1.48253 au 
 Jupiter MOID = 1.40834 au 
 T_jup = 3.107 
[ 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 15.1   n/a MPO433412  
diameter diameter 5.792 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215793 (2004 MD7)          Discovered 2004-Jun-22 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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