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160397 (2004 PJ85)
Classification: Main-belt Asteroid          SPK-ID: 2160397
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2387134054947094 3.5764e-08  
a 2.223703741986184 1.0475e-08 au
q 1.692875848925333 8.4168e-08 au
i 7.205143682134831 4.0232e-06 deg
node 10.9195785510755 2.8178e-05 deg
peri 302.3168170636669 2.9535e-05 deg
M 302.8039225303045 8.1093e-06 deg
tp 2459192.932118983970
(2020-Dec-09.43211898)
2.7679e-05 TDB
period 1211.194296862996
3.32
8.5582e-06
2.343e-08
d
yr
n .2972272912218983 2.1002e-09 deg/d
Q 2.754531635047035 1.2976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      629  
   data-arc span      9972 days (27.30 yr)  
   first obs. used      1993-02-26  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52875  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:07:59  

Additional Information
 Earth MOID = .692978 au 
 Jupiter MOID = 2.5708 au 
 T_jup = 3.600 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457718.5 (2016-Nov-26.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2381638068752964 3.5769e-08  
q 1.694626447509417 8.4139e-08 au
tp 2457981.458710566848
(2017-Aug-15.95871057)
2.6386e-05 TDB
node 10.93940867365059 2.8171e-05 deg
peri 302.2442349088344 2.9534e-05 deg
i 7.205141762381775 4.0231e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      629  
   data-arc span      9972 days (27.30 yr)  
   first obs. used      1993-02-26  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52875  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:07:59  

Additional Information
 Jupiter MOID = 2.5708 au 
 T_jup = 3.600 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.279385819445571E-15 -2.999949235958748E-15 6.048271139064508E-14 -8.347342225370932E-15 6.800779266760758E-14 -5.369818618199411E-15
q -2.999949235958748E-15 7.079310096537246E-15 -1.331655310750465E-13 1.870594719365524E-14 -1.593436270819626E-13 1.289384627178651E-14
tp 6.048271139064508E-14 -1.331655310750465E-13 6.962211667789192E-10 -4.29599633921254E-12 2.401586812844115E-10 1.279867533528247E-12
node -8.347342225370932E-15 1.870594719365524E-14 -4.29599633921254E-12 7.935852063963027E-10 -7.885591329582413E-10 1.274307271388901E-11
peri 6.800779266760758E-14 -1.593436270819626E-13 2.401586812844115E-10 -7.885591329582413E-10 8.722862284695618E-10 -1.240101068877125E-11
i -5.369818618199411E-15 1.289384627178651E-14 1.279867533528247E-12 1.274307271388901E-11 -1.240101068877125E-11 1.618505509374249E-11

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 16.4   n/a MPO433025  

160397 (2004 PJ85)          Discovered 2004-Aug-10 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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