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46820 (1998 MK28)
Classification: Main-belt Asteroid          SPK-ID: 2046820
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1753578010013486 3.1507e-08  
a 2.393918561427997 8.577e-09 au
q 1.974126266719672 7.8678e-08 au
i 1.709549619937644 3.5825e-06 deg
node 260.6988382761947 0.00013809 deg
peri 51.69817503258176 0.00013864 deg
M 311.3719463754165 1.2298e-05 deg
tp 2459183.245575596789
(2020-Nov-29.74557560)
4.6335e-05 TDB
period 1352.889994790691
3.70
7.2708e-06
1.991e-08
d
yr
n .2660970229554374 1.4301e-09 deg/d
Q 2.813710856136323 1.0081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      997  
   data-arc span      8499 days (23.27 yr)  
   first obs. used      1997-03-11  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55353  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:41:46  

Additional Information
 Earth MOID = .960503 au 
 Jupiter MOID = 2.45297 au 
 T_jup = 3.509 
[ 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 15.7   n/a MPO365800  

46820 (1998 MK28)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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