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448742 (2011 JP2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2448742
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3574245422928735 4.3929e-07  
a 3.242760640426419 9.7997e-08 au
q 2.083718402756661 1.4097e-06 au
i 35.65669696019677 1.8656e-05 deg
node 12.99140190619559 2.2479e-05 deg
peri 147.6898482722161 2.3379e-05 deg
M 188.2527398317837 2.2186e-05 deg
tp 2460018.055446717087
(2023-Mar-14.55544672)
0.00015333 TDB
period 2132.901336879333
5.84
9.6686e-05
2.647e-07
d
yr
n .1687841785155985 7.6511e-09 deg/d
Q 4.401802878096176 1.3302e-07 au
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      6207 days (16.99 yr)  
   first obs. used      2003-10-19  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5611  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:36:49  

Additional Information
 Earth MOID = 1.13378 au 
 Jupiter MOID = .806533 au 
 T_jup = 2.803 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO402801  

448742 (2011 JP2)          Discovered 2003-Oct-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

Alternate Designations
 2011 JP2 = 2003 UN87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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