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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1266874969097495 3.7799e-08  
a 2.275358561561738 8.8176e-09 au
q 1.987099080825314 8.8611e-08 au
i 5.748984611075969 3.6202e-06 deg
node 268.2625499019267 3.9289e-05 deg
peri 104.64391201799 4.1934e-05 deg
M 359.786550669618 1.6231e-05 deg
tp 2459001.243302322171
(2020-May-31.74330232)
5.6522e-05 TDB
period 1253.641018702647
3.43
7.2873e-06
1.995e-08
d
yr
n .2871635457274305 1.6693e-09 deg/d
Q 2.563618042298163 9.9347e-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 = .997056 au 
 Jupiter MOID = 2.92693 au 
 T_jup = 3.592 
[ 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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