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85478 (1997 MK5)
Classification: Main-belt Asteroid          SPK-ID: 2085478
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2037898283956266 5.3599e-08  
a 2.419857554459049 9.1421e-09 au
q 1.926715198693979 1.3281e-07 au
i 1.019737861647269 5.7484e-06 deg
node 13.88094441629481 0.00023219 deg
peri 313.8867497780151 0.00023241 deg
M 359.1222791847267 1.0868e-05 deg
tp 2459003.852254842044
(2020-Jun-03.35225484)
4.1517e-05 TDB
period 1374.938046513132
3.76
7.7917e-06
2.133e-08
d
yr
n .2618299791128529 1.4838e-09 deg/d
Q 2.912999910224119 1.1005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      7997 days (21.89 yr)  
   first obs. used      1997-06-29  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54076  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:37:21  

Additional Information
 Earth MOID = .915482 au 
 Jupiter MOID = 2.43254 au 
 T_jup = 3.485 
[ 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 16.0   n/a MPO436373  

85478 (1997 MK5)          Discovered 1997-Jun-29 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 MK5 = 2000 HU43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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