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226645 (2004 FP78)
Classification: Main-belt Asteroid          SPK-ID: 2226645
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345445134299817 5.5214e-08  
a 2.352475727524765 1.8373e-08 au
q 2.035963025409103 1.3232e-07 au
i 4.037801048941306 9.228e-06 deg
node 3.58071820968763 8.6616e-05 deg
peri 280.0286600529295 9.3888e-05 deg
M 91.68676325842912 3.801e-05 deg
tp 2458664.847184638731
(2019-Jun-30.34718464)
0.00013748 TDB
period 1317.911214615248
3.61
1.5439e-05
4.227e-08
d
yr
n .2731595239555639 3.2001e-09 deg/d
Q 2.668988429640426 2.0845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6046 days (16.55 yr)  
   first obs. used      2001-07-25  
   last obs. used      2018-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52866  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:22:20  

Additional Information
 Earth MOID = 1.02438 au 
 Jupiter MOID = 2.47283 au 
 T_jup = 3.541 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456453.5 (2013-Jun-10.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343986620217965 5.5019e-08  
q 2.036668760010089 1.3186e-07 au
tp 2456026.345556524148
(2012-Apr-08.84555652)
0.00012805 TDB
node 3.758940183282418 8.665e-05 deg
peri 279.473072514601 9.3932e-05 deg
i 4.037302331951338 9.2237e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6046 days (16.55 yr)  
   first obs. used      2001-07-25  
   last obs. used      2018-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52866  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:22:20  

Additional Information
 Jupiter MOID = 2.47283 au 
 T_jup = 3.541 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.027050355201484E-15 -7.201362359463202E-15 1.290075729872179E-12 -1.151722668421594E-14 3.195888639931761E-13 7.955242373155795E-16
q -7.201362359463202E-15 1.738721666927595E-14 -2.575577183304466E-12 2.511682555078397E-14 -6.064435944286303E-13 -1.301946444045727E-15
tp 1.290075729872179E-12 -2.575577183304466E-12 1.639710740551327E-8 -9.441533463680813E-11 4.665917541930658E-9 3.796124831737583E-12
node -1.151722668421594E-14 2.511682555078397E-14 -9.441533463680813E-11 7.508272144286895E-9 -7.514413242818624E-9 -4.563585915981026E-11
peri 3.195888639931761E-13 -6.064435944286303E-13 4.665917541930658E-9 -7.514413242818624E-9 8.823274748787274E-9 4.649317268622378E-11
i 7.955242373155795E-16 -1.301946444045727E-15 3.796124831737583E-12 -4.563585915981026E-11 4.649317268622378E-11 8.507667945953865E-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 17.4   n/a MPO391177  

226645 (2004 FP78)          Discovered 2004-Mar-19 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 FP78 = 2001 OP113 = 2005 QJ183 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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