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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1074377935482678 3.8253e-08  
a 2.407773755294227 1.3625e-08 au
q 2.149087855661989 9.2787e-08 au
i 5.637992288144882 4.3408e-06 deg
node 262.6064255865167 5.0849e-05 deg
peri 43.83437218663558 5.7273e-05 deg
M 223.7784587639545 2.8631e-05 deg
tp 2459116.875026501891
(2020-Sep-24.37502650)
0.00010981 TDB
period 1364.652079648408
3.74
1.1584e-05
3.172e-08
d
yr
n .2638035037419583 2.2393e-09 deg/d
Q 2.666459654926466 1.5089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      681  
   data-arc span      14554 days (39.85 yr)  
   first obs. used      1979-06-24  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52695  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:46:14  

Additional Information
 Earth MOID = 1.13728 au 
 Jupiter MOID = 2.52441 au 
 T_jup = 3.507 
[ 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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