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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2202698169356774 4.4726e-08  
a 2.525878171547543 1.365e-08 au
q 1.969503449098942 1.1401e-07 au
i 14.6871120941354 5.8026e-06 deg
node 91.92834213889904 2.4056e-05 deg
peri 250.4163728985543 3.0345e-05 deg
M 264.5217260805442 2.1223e-05 deg
tp 2458989.383113266664
(2020-May-19.88311327)
8.767e-05 TDB
period 1466.280390595448
4.01
1.1886e-05
3.254e-08
d
yr
n .2455192078602415 1.9902e-09 deg/d
Q 3.082252893996144 1.6657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      8721 days (23.88 yr)  
   first obs. used      1995-06-25  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57255  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:52:32  

Additional Information
 Earth MOID = 1.0133 au 
 Jupiter MOID = 2.42165 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 14.9   n/a MPO337431  

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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