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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1751711410277593 3.0761e-08  
a 2.393476445723904 8.4553e-09 au
q 1.974208445703382 7.7092e-08 au
i 1.709004838520317 3.5027e-06 deg
node 260.6726895639513 0.0001244 deg
peri 51.54372575294551 0.00012499 deg
M 56.88994556523257 1.1744e-05 deg
tp 2459182.765228504842
(2020-Nov-29.26522850)
4.3969e-05 TDB
period 1352.515228724005
3.70
7.1669e-06
1.962e-08
d
yr
n .2661707553116667 1.4104e-09 deg/d
Q 2.812744445744426 9.9364e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1068  
   data-arc span      8583 days (23.50 yr)  
   first obs. used      1997-03-11  
   last obs. used      2020-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54322  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:38  

Additional Information
 Earth MOID = .959956 au 
 Jupiter MOID = 2.4517 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 15.72   n/a E2021B10  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1919-Jul-08 04:19 < 00:01 Juno 0.034912224477936 0.0349034806925643 0.0349209690012328 7.45002490614549 7.45002485937082 2422147.679605558 0.302925883588495 504.497594828454 37.8350368489437 -30.321199032631 70237.567598615 T 32 CATAB v2.0f-lin.ifort 2021-Apr-13 09:52:41 2021-Apr-13 09:52
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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