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357657 (2005 JD68)
Classification: Main-belt Asteroid          SPK-ID: 2357657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2322691564149134 1.3708e-07  
a 2.542424001718308 2.714e-08 au
q 1.951897323590168 3.5671e-07 au
i 6.086609478096261 3.3572e-05 deg
node 31.52553729776655 5.258e-05 deg
peri 247.1948193715905 0.00010358 deg
M 273.8275447901283 8.8722e-05 deg
tp 2459554.934805323914
(2021-Dec-06.43480532)
0.00036828 TDB
period 1480.711320175913
4.05
2.3709e-05
6.491e-08
d
yr
n .2431263914138449 3.893e-09 deg/d
Q 3.132950679846448 3.3444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      4993 days (13.67 yr)  
   first obs. used      2005-03-10  
   last obs. used      2018-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:26:46  

Additional Information
 Earth MOID = .943649 au 
 Jupiter MOID = 2.04118 au 
 T_jup = 3.399 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456810.5 (2014-Jun-02.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2333515634725881 1.3495e-07  
q 1.948595850230141 3.5088e-07 au
tp 2456593.815823923319
(2013-Oct-28.31582392)
0.00033947 TDB
node 31.57133348074012 5.2594e-05 deg
peri 247.1974453735594 0.00010329 deg
i 6.087082764223089 3.3566e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      4993 days (13.67 yr)  
   first obs. used      2005-03-10  
   last obs. used      2018-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:26:46  

Additional Information
 Jupiter MOID = 2.04118 au 
 T_jup = 3.399 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.821144314926107E-14 -4.728094024816419E-14 -4.244909676770834E-11 -3.684572225384998E-14 -1.109938368462678E-11 -2.661760154889128E-13
q -4.728094024816419E-14 1.231166150260115E-13 1.113457456135567E-10 9.895587656432337E-14 2.912118417413867E-11 6.967201579520263E-13
tp -4.244909676770834E-11 1.113457456135567E-10 1.152373996075161E-7 1.107237664104635E-10 3.018497042572696E-8 6.942252678522411E-10
node -3.684572225384998E-14 9.895587656432337E-14 1.107237664104635E-10 2.766093521438028E-9 -2.720281479598649E-9 -4.350134330006303E-10
peri -1.109938368462678E-11 2.912118417413867E-11 3.018497042572696E-8 -2.720281479598649E-9 1.066899456366606E-8 6.149076347693994E-10
i -2.661760154889128E-13 6.967201579520263E-13 6.942252678522411E-10 -4.350134330006303E-10 6.149076347693994E-10 1.126644900627195E-9

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO471687  

357657 (2005 JD68)          Discovered 2005-May-04 by Siding Spring Survey at Siding Spring
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2005 JD68 = 2006 UK283 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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