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393483 (2002 PW42)
Classification: Mars-crossing Asteroid          SPK-ID: 2393483
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4085571218230811 5.3627e-08  
a 2.617115915292442 7.4438e-09 au
q 1.547874569463183 1.3812e-07 au
i 8.953439939231245 4.7901e-06 deg
node 152.4785222601598 4.0626e-05 deg
peri 179.3359264914318 4.1484e-05 deg
M 76.13442247531243 8.0436e-06 deg
tp 2458673.452057283167
(2019-Jul-08.95205728)
3.3758e-05 TDB
period 1546.439252445076
4.23
6.5978e-06
1.806e-08
d
yr
n .2327928493995505 9.9319e-10 deg/d
Q 3.686357261121701 1.0485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      6380 days (17.47 yr)  
   first obs. used      2002-08-09  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:50:46  

Additional Information
 Earth MOID = .53745 au 
 Jupiter MOID = 1.70541 au 
 T_jup = 3.267 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457765.5 (2017-Jan-12.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4098176522681715 5.3568e-08  
q 1.543120841862023 1.379e-07 au
tp 2457128.911805394703
(2015-Apr-16.41180539)
3.0612e-05 TDB
node 152.5512908016684 4.0586e-05 deg
peri 179.3737284485041 4.1437e-05 deg
i 8.962372558849667 4.7976e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      6380 days (17.47 yr)  
   first obs. used      2002-08-09  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:50:46  

Additional Information
 Jupiter MOID = 1.70541 au 
 T_jup = 3.267 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.869503570015774E-15 -7.384357228836642E-15 9.03276130576896E-13 4.917866674087814E-14 6.561718923282967E-14 -2.098861938070364E-14
q -7.384357228836642E-15 1.901649214453722E-14 -2.315032651163489E-12 -1.246279995740414E-13 -1.641248716754357E-13 5.387323102980665E-14
tp 9.03276130576896E-13 -2.315032651163489E-12 9.371166523367202E-10 2.365121848184729E-11 2.732827240884846E-10 -1.512240093714454E-11
node 4.917866674087814E-14 -1.246279995740414E-13 2.365121848184729E-11 1.647239061144623E-9 -1.621250327583623E-9 1.006412196694261E-10
peri 6.561718923282967E-14 -1.641248716754357E-13 2.732827240884846E-10 -1.621250327583623E-9 1.717065795993796E-9 -1.037400805034363E-10
i -2.098861938070364E-14 5.387323102980665E-14 -1.512240093714454E-11 1.006412196694261E-10 -1.037400805034363E-10 2.301707478454715E-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 17.0   n/a MPO503477  

393483 (2002 PW42)          Discovered 2002-Aug-10 by LINEAR at Socorro
Reference: Last Updated: 2014-05-15

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