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59539 (1999 JU30)
Classification: Main-belt Asteroid          SPK-ID: 2059539
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .21249922419292 4.2083e-08  
a 2.60677956188936 1.0432e-08 au
q 2.052840927345911 1.1041e-07 au
i 3.028556486429987 3.2653e-06 deg
node 308.1035994423864 9.3585e-05 deg
peri 297.1044175665039 9.4091e-05 deg
M 349.9931025121424 8.664e-06 deg
tp 2459043.231864036724
(2020-Jul-12.73186404)
3.6925e-05 TDB
period 1537.286763643489
4.21
9.2281e-06
2.527e-08
d
yr
n .234178819797272 1.4057e-09 deg/d
Q 3.160718196432809 1.2649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      9694 days (26.54 yr)  
   first obs. used      1994-01-05  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:46:18  

Additional Information
 Earth MOID = 1.04167 au 
 Jupiter MOID = 1.88536 au 
 T_jup = 3.377 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457204.5 (2015-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2125676293515223 4.211e-08  
q 2.053894460691024 1.1058e-07 au
tp 2457504.055081543593
(2016-Apr-25.55508154)
4.0361e-05 TDB
node 308.1600048370623 9.3541e-05 deg
peri 296.7301073373253 9.4046e-05 deg
i 3.029039570510665 3.2654e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      9694 days (26.54 yr)  
   first obs. used      1994-01-05  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:46:18  

Additional Information
 Jupiter MOID = 1.88536 au 
 T_jup = 3.377 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.773258694437817E-15 -4.643999893384838E-15 -4.55685465593378E-13 -4.296025908123217E-15 -7.152131966034894E-14 -3.194645949270528E-15
q -4.643999893384838E-15 1.22285291310337E-14 1.036342030287914E-12 1.229484833977026E-14 1.456832636799885E-13 8.352505005306657E-15
tp -4.55685465593378E-13 1.036342030287914E-12 1.62902901358936E-9 7.899059029032984E-12 4.222855312020136E-10 1.724076419824381E-12
node -4.296025908123217E-15 1.229484833977026E-14 7.899059029032984E-12 8.749992835500957E-9 -8.735986489422708E-9 -8.587193027796044E-13
peri -7.152131966034894E-14 1.456832636799885E-13 4.222855312020136E-10 -8.735986489422708E-9 8.844583694153653E-9 1.226667852564095E-12
i -3.194645949270528E-15 8.352505005306657E-15 1.724076419824381E-12 -8.587193027796044E-13 1.226667852564095E-12 1.066282473926405E-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 15.6   n/a MPO436197  

59539 (1999 JU30)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JU30 = 1994 AT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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