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JPL Small-Body Database Browser
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11539 (1992 PQ2)
Classification: Main-belt Asteroid          SPK-ID: 2011539
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271515532188024 3.7828e-08  
a 2.276439606404517 8.8426e-09 au
q 1.986986774641384 8.8766e-08 au
i 5.748331870319975 3.62e-06 deg
node 268.2651932107964 3.9289e-05 deg
peri 104.4551268321732 4.1903e-05 deg
M 245.1813492861129 1.585e-05 deg
tp 2459000.622123151823
(2020-May-31.12212315)
5.6254e-05 TDB
period 1254.534550258692
3.43
7.3096e-06
2.001e-08
d
yr
n .2869590159360426 1.672e-09 deg/d
Q 2.56589243816765 9.9669e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1355  
   data-arc span      13451 days (36.83 yr)  
   first obs. used      1982-10-22  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51807  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:09:54  

Additional Information
 Earth MOID = .996094 au 
 Jupiter MOID = 2.92363 au 
 T_jup = 3.591 
[ 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 14.6   n/a MPO435808  

11539 (1992 PQ2)          Discovered 1992-Aug-02 by Holt, H. E. at Palomar
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 PQ2 = 1982 UU9 = 1996 YX1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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