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227153 (2005 PQ23)
Classification: Main-belt Asteroid          SPK-ID: 2227153
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1745810475767141 4.5431e-08  
a 2.335251649587199 1.4875e-08 au
q 1.927560970247016 1.0229e-07 au
i 12.20901690524116 4.7714e-06 deg
node 251.5816017863902 2.2591e-05 deg
peri 12.72407204274804 2.6877e-05 deg
M 171.2190205531357 1.4067e-05 deg
tp 2458580.561703245412
(2019-Apr-07.06170325)
4.9952e-05 TDB
period 1303.463751344094
3.57
1.2454e-05
3.41e-08
d
yr
n .2761871970960286 2.6389e-09 deg/d
Q 2.742942328927381 1.7472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      2001-06-15  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50175  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:38  

Additional Information
 Earth MOID = .912189 au 
 Jupiter MOID = 2.33392 au 
 T_jup = 3.518 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457972.5 (2017-Aug-07.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1747497304095782 4.5387e-08  
q 1.926915005841728 1.0219e-07 au
tp 2458581.095623151164
(2019-Apr-07.59562315)
4.9869e-05 TDB
node 251.5810307528421 2.259e-05 deg
peri 12.83201851798524 2.6872e-05 deg
i 12.20959242023253 4.771e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      2001-06-15  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50175  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:38  

Additional Information
 Jupiter MOID = 2.33392 au 
 T_jup = 3.518 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.059986702692845E-15 -4.608732004367258E-15 5.152062196658551E-13 -1.200814073630657E-15 7.798229812854082E-14 -9.128933444688106E-15
q -4.608732004367258E-15 1.044265983675253E-14 -1.1431770489907E-12 3.474220753657904E-15 -1.921667392605721E-13 2.135305103619883E-14
tp 5.152062196658551E-13 -1.1431770489907E-12 2.486937937174652E-9 2.08870234919999E-11 7.355081132158883E-10 -6.84160589240006E-12
node -1.200814073630657E-15 3.474220753657904E-15 2.08870234919999E-11 5.103035185219922E-10 -4.921097126459223E-10 2.690601838203233E-11
peri 7.798229812854082E-14 -1.921667392605721E-13 7.355081132158883E-10 -4.921097126459223E-10 7.220858389324519E-10 -2.819956962513531E-11
i -9.128933444688106E-15 2.135305103619883E-14 -6.84160589240006E-12 2.690601838203233E-11 -2.819956962513531E-11 2.27622165182205E-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 16.24   n/a MPCxxxxx  

227153 (2005 PQ23)          Discovered 2005-Aug-09 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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