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382621 (2002 PS78)
Classification: Main-belt Asteroid          SPK-ID: 2382621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1961644068095441 9.3879e-08  
a 2.289294571931656 1.2812e-08 au
q 1.840216460216374 2.112e-07 au
i 4.904117592660175 8.8593e-06 deg
node 355.9398745147458 5.8722e-05 deg
peri 9.046622477753601 6.2058e-05 deg
M 19.37843804359793 1.5556e-05 deg
tp 2458932.396848005612
(2020-Mar-23.89684801)
5.4595e-05 TDB
period 1265.175999366956
3.46
1.0621e-05
2.908e-08
d
yr
n .2845453914555207 2.3887e-09 deg/d
Q 2.738372683646939 1.5326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      5702 days (15.61 yr)  
   first obs. used      2002-08-11  
   last obs. used      2018-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51732  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:50:29  

Additional Information
 Earth MOID = .838381 au 
 Jupiter MOID = 2.72154 au 
 T_jup = 3.569 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457031.5 (2015-Jan-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197272571535721 9.375e-08  
q 1.837454315651358 2.11e-07 au
tp 2456402.586922853114
(2013-Apr-20.08692285)
5.5352e-05 TDB
node 356.0252130852708 5.8662e-05 deg
peri 9.076650543317768 6.1945e-05 deg
i 4.907780892537622 8.8644e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      5702 days (15.61 yr)  
   first obs. used      2002-08-11  
   last obs. used      2018-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51732  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:50:29  

Additional Information
 Jupiter MOID = 2.72154 au 
 T_jup = 3.569 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.789150989264814E-15 -1.976094726435827E-14 -2.270486643165414E-12 2.277208960341696E-14 -8.17189786254123E-13 -1.719657073157903E-14
q -1.976094726435827E-14 4.452022774553991E-14 5.042508693280168E-12 -5.458663166346078E-14 1.829987605337966E-12 3.900970958153377E-14
tp -2.270486643165414E-12 5.042508693280168E-12 3.063800511503446E-9 -4.223648915604438E-12 1.112518029162985E-9 1.145447699377709E-12
node 2.277208960341696E-14 -5.458663166346078E-14 -4.223648915604438E-12 3.441221532912287E-9 -3.427551697868002E-9 2.667086115603541E-11
peri -8.17189786254123E-13 1.829987605337966E-12 1.112518029162985E-9 -3.427551697868002E-9 3.837157551763509E-9 -2.624017868814264E-11
i -1.719657073157903E-14 3.900970958153377E-14 1.145447699377709E-12 2.667086115603541E-11 -2.624017868814264E-11 7.857753936631122E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO437566  

382621 (2002 PS78)          Discovered 2002-Aug-11 by NEAT at Palomar
Reference: Last Updated: 2014-01-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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