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213623 (2002 QE55)
Classification: Main-belt Asteroid          SPK-ID: 2213623
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1639270524556688 7.8108e-08  
a 2.560622582935117 1.8451e-08 au
q 2.140867270463141 1.9779e-07 au
i 2.775699986366631 1.0662e-05 deg
node 339.3418647297542 0.00021077 deg
peri 60.68138728432728 0.00021429 deg
M 116.3689062337208 3.9615e-05 deg
tp 2458716.716295790773
(2019-Aug-21.21629579)
0.00016337 TDB
period 1496.638055233811
4.10
1.6176e-05
4.429e-08
d
yr
n .2405391194892202 2.5999e-09 deg/d
Q 2.980377895407092 2.1476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      9245 days (25.31 yr)  
   first obs. used      1994-09-12  
   last obs. used      2020-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63579  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:26  

Additional Information
 Earth MOID = 1.14937 au 
 Jupiter MOID = 2.43903 au 
 T_jup = 3.414 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456306.5 (2013-Jan-14.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631139273588464 7.6939e-08  
q 2.142922262895282 1.9401e-07 au
tp 2455718.587202129011
(2011-Jun-06.08720213)
0.00015943 TDB
node 339.5580592832102 0.00021006 deg
peri 59.69294465739812 0.00021374 deg
i 2.7828447158673 1.0669e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      9245 days (25.31 yr)  
   first obs. used      1994-09-12  
   last obs. used      2020-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63579  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:26  

Additional Information
 Jupiter MOID = 2.43903 au 
 T_jup = 3.414 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.919601658720495E-15 -1.488148102396819E-14 3.548872277120286E-12 3.377782741300664E-14 1.058232080913815E-12 -1.375597380872113E-15
q -1.488148102396819E-14 3.763845918510324E-14 -8.8151047348941E-12 -9.090318060031346E-14 -2.615268906769232E-12 4.24112741165921E-15
tp 3.548872277120286E-12 -8.8151047348941E-12 2.541686027631924E-8 1.504325697323696E-10 6.39434285237507E-9 -3.681365278097557E-12
node 3.377782741300664E-14 -9.090318060031346E-14 1.504325697323696E-10 4.41255898635046E-8 -4.403558115773581E-8 -9.459890259270365E-10
peri 1.058232080913815E-12 -2.615268906769232E-12 6.39434285237507E-9 -4.403558115773581E-8 4.568367262709654E-8 9.440460279830071E-10
i -1.375597380872113E-15 4.24112741165921E-15 -3.681365278097557E-12 -9.459890259270365E-10 9.440460279830071E-10 1.138340079812989E-10

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 MPO533461  

213623 (2002 QE55)          Discovered 2002-Aug-17 by Lowe, A. at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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