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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2036318105118977 4.0399e-08  
a 2.419482134637537 6.0411e-09 au
q 1.926798607060104 9.7236e-08 au
i 1.019770318211781 5.3346e-06 deg
node 13.87883438113463 0.00016372 deg
peri 313.8995223716747 0.00016405 deg
M 51.49542148654919 9.8536e-06 deg
tp 2459003.870727345106
(2020-Jun-03.37072734)
3.75e-05 TDB
period 1374.618094431009
3.76
5.1483e-06
1.41e-08
d
yr
n .2618909218920281 9.8086e-10 deg/d
Q 2.912165662214969 7.2713e-09 au
  Orbit Determination Parameters
   # obs. used (total)      970  
   data-arc span      8597 days (23.54 yr)  
   first obs. used      1997-06-29  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48692  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:13:13  

Additional Information
 Earth MOID = .913626 au 
 Jupiter MOID = 2.43337 au 
 T_jup = 3.486 
[ 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 16.14   n/a E2021B10  

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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