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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 
[ 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 16.4   n/a MPO433025  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1922-Apr-22 10:22 00:09 Amphi 0.0485293203996968 0.0484893067368257 0.0485693368039054 4.08971803051044 4.08971800154531 2423166.932283495 8.51395666312623 2075.50091099187 114.67359968871 16.1112210316893 17877.3981532089 T 21 CATAB v2.0f-lin.ifort 2020-Jun-24 03:08:13 2020-Jun-24 03:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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