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48387 (1979 MM2)
Classification: Main-belt Asteroid          SPK-ID: 2048387
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077045266827952 3.7317e-08  
a 2.408772683097713 1.2725e-08 au
q 2.149336961378227 9.1455e-08 au
i 5.637374722195506 4.3034e-06 deg
node 262.6071655877704 4.9032e-05 deg
peri 43.62504232282409 5.4781e-05 deg
M 329.5020023010622 2.5906e-05 deg
tp 2459116.180719059103
(2020-Sep-23.68071906)
9.8431e-05 TDB
period 1365.501410039376
3.74
1.0821e-05
2.963e-08
d
yr
n .2636394201816453 2.0891e-09 deg/d
Q 2.668208404817199 1.4096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      15031 days (41.15 yr)  
   first obs. used      1979-06-24  
   last obs. used      2020-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50992  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:37:39  

Additional Information
 Earth MOID = 1.13824 au 
 Jupiter MOID = 2.52324 au 
 T_jup = 3.506 
[ 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 15.8   n/a MPO381618  

48387 (1979 MM2)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring
Reference: 20021120/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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