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52299 (1991 NJ1)
Classification: Main-belt Asteroid          SPK-ID: 2052299
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2188792064064664 3.6644e-08  
a 2.239756576484062 7.0339e-09 au
q 1.749520434479566 8.0097e-08 au
i 6.159648278606916 3.9253e-06 deg
node 120.01576797 4.0807e-05 deg
peri 204.350841441683 4.1975e-05 deg
M 210.5739174962079 1.0942e-05 deg
tp 2459508.687019200413
(2021-Oct-21.18701920)
3.8452e-05 TDB
period 1224.333288048999
3.35
5.7674e-06
1.579e-08
d
yr
n .2940375823430134 1.3851e-09 deg/d
Q 2.729992718488557 8.5734e-09 au
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      10053 days (27.52 yr)  
   first obs. used      1991-07-12  
   last obs. used      2019-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:05:26  

Additional Information
 Earth MOID = .739251 au 
 Jupiter MOID = 2.60109 au 
 T_jup = 3.596 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456665.5 (2014-Jan-08.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2196775708125205 3.6742e-08  
q 1.74728852616511 8.0383e-08 au
tp 2457059.551495071737
(2015-Feb-06.05149507)
3.334e-05 TDB
node 120.08238511779 4.0792e-05 deg
peri 204.2745077348642 4.1945e-05 deg
i 6.161437540300321 3.927e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      10053 days (27.52 yr)  
   first obs. used      1991-07-12  
   last obs. used      2019-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:05:26  

Additional Information
 Jupiter MOID = 2.60109 au 
 T_jup = 3.596 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.349995451032385E-15 -2.947683372956985E-15 2.835153505718548E-13 6.762542582910993E-15 6.671746661818924E-14 -1.004817024613535E-15
q -2.947683372956985E-15 6.461486384262146E-15 -5.847194903814041E-13 -1.332987134468687E-14 -1.398655475570043E-13 2.164301836536539E-15
tp 2.835153505718548E-13 -5.847194903814041E-13 1.111535187997798E-9 6.398353356892232E-12 3.415411888401161E-10 -1.114849280745274E-12
node 6.762542582910993E-15 -1.332987134468687E-14 6.398353356892232E-12 1.664012259248054E-9 -1.652205429837589E-9 5.411690160689251E-12
peri 6.671746661818924E-14 -1.398655475570043E-13 3.415411888401161E-10 -1.652205429837589E-9 1.759391702092418E-9 -5.732473014849245E-12
i -1.004817024613535E-15 2.164301836536539E-15 -1.114849280745274E-12 5.411690160689251E-12 -5.732473014849245E-12 1.542116310560565E-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 15.9   n/a MPO449338  

52299 (1991 NJ1)          Discovered 1991-Jul-12 by Holt, H. E. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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