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JPL Small-Body Database Browser
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390963 (2005 QJ5)
Classification: Main-belt Asteroid          SPK-ID: 2390963
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627272741627638 1.1005e-07  
a 2.190318083420968 1.1577e-08 au
q 1.833893592156465 2.407e-07 au
i 1.516110497754821 1.2987e-05 deg
node 344.7917701880889 0.00024688 deg
peri 325.9419847846276 0.00024847 deg
M 210.6895921611209 2.538e-05 deg
tp 2459491.573830395736
(2021-Oct-04.07383040)
8.4287e-05 TDB
period 1184.020467837952
3.24
9.3875e-06
2.57e-08
d
yr
n .3040487979547923 2.4107e-09 deg/d
Q 2.546742574685471 1.3461e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      8997 days (24.63 yr)  
   first obs. used      1994-01-19  
   last obs. used      2018-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64644  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:26:11  

Additional Information
 Earth MOID = .819752 au 
 Jupiter MOID = 2.69991 au 
 T_jup = 3.655 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456874.5 (2014-Aug-05.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1632125931644951 1.1021e-07  
q 1.832515304302569 2.4117e-07 au
tp 2457123.572986594893
(2015-Apr-11.07298659)
8.1587e-05 TDB
node 344.8583912528438 0.00024661 deg
peri 325.9370758157598 0.00024819 deg
i 1.517817878744816 1.2991e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      8997 days (24.63 yr)  
   first obs. used      1994-01-19  
   last obs. used      2018-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64644  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:26:11  

Additional Information
 Jupiter MOID = 2.69991 au 
 T_jup = 3.655 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.214647638601368E-14 -2.655874833874845E-14 4.460402985188017E-12 -1.515633203900298E-13 1.417508245533046E-12 -1.088380581690796E-14
q -2.655874833874845E-14 5.816454698629439E-14 -9.766502057044819E-12 3.312569867763161E-13 -3.108625588788215E-12 2.396334810293749E-14
tp 4.460402985188017E-12 -9.766502057044819E-12 6.656485797844461E-9 -3.949389159032234E-11 2.304962566243694E-9 -8.500684024207081E-12
node -1.515633203900298E-13 3.312569867763161E-13 -3.949389159032234E-11 6.081464905111041E-8 -6.08007209085161E-8 -8.81338910917349E-10
peri 1.417508245533046E-12 -3.108625588788215E-12 2.304962566243694E-9 -6.08007209085161E-8 6.159769553983972E-8 8.783026862161323E-10
i -1.088380581690796E-14 2.396334810293749E-14 -8.500684024207081E-12 -8.81338910917349E-10 8.783026862161323E-10 1.687725478527952E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO455777  

390963 (2005 QJ5)          Discovered 2005-Aug-22 by NEAT at Palomar
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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