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20448 (1999 JM96)
Classification: Main-belt Asteroid          SPK-ID: 2020448
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2195824853373466 4.0182e-08  
a 2.525603173945964 8.9103e-09 au
q 1.971024952035018 1.0125e-07 au
i 14.68752545623707 5.1731e-06 deg
node 91.92456092008945 2.0615e-05 deg
peri 250.3611804600298 2.6525e-05 deg
M 51.84582024828011 1.7032e-05 deg
tp 2458989.366402399447
(2020-May-19.86640240)
6.9385e-05 TDB
period 1466.040941626738
4.01
7.7582e-06
2.124e-08
d
yr
n .2455593085964839 1.2995e-09 deg/d
Q 3.08018139585691 1.0867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1448  
   data-arc span      9363 days (25.63 yr)  
   first obs. used      1995-06-25  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50539  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:21:18  

Additional Information
 Earth MOID = 1.01377 au 
 Jupiter MOID = 2.42559 au 
 T_jup = 3.375 
[ 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 15.00   n/a MPCxxxxx  

20448 (1999 JM96)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JM96 = 1996 XH24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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