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JPL Small-Body Database Browser
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390957 (2005 NL49)
Classification: Main-belt Asteroid          SPK-ID: 2390957
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332949464395531 5.6975e-08  
a 2.983325786246791 5.0688e-08 au
q 2.585663535357287 1.5355e-07 au
i 13.46880529806224 5.8514e-06 deg
node 97.03372369355874 2.7439e-05 deg
peri 224.0562435654115 3.6904e-05 deg
M 266.493731897706 2.5486e-05 deg
tp 2459489.363568226066
(2021-Oct-01.86356823)
0.0001383 TDB
period 1882.129274679781
5.15
4.7967e-05
1.313e-07
d
yr
n .1912727275660962 4.8747e-09 deg/d
Q 3.380988037136294 5.7445e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      5015 days (13.73 yr)  
   first obs. used      2005-06-11  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50295  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:36:29  

Additional Information
 Earth MOID = 1.59012 au 
 Jupiter MOID = 1.92173 au 
 T_jup = 3.204 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457260.5 (2015-Aug-26.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .132003650331554 5.6959e-08  
q 2.59043062752072 1.5335e-07 au
tp 2457607.041922349463
(2016-Aug-06.54192235)
0.00012613 TDB
node 97.04497234522674 2.7437e-05 deg
peri 224.2229264257369 3.7077e-05 deg
i 13.46683986370208 5.8507e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      5015 days (13.73 yr)  
   first obs. used      2005-06-11  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50295  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:36:29  

Additional Information
 Jupiter MOID = 1.92173 au 
 T_jup = 3.204 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.244283272654627E-15 -8.45347642349555E-15 8.790113434371092E-13 4.733536684036484E-14 1.124183507211396E-13 -3.246033905048601E-15
q -8.45347642349555E-15 2.351743901975882E-14 -2.062349587652516E-12 -1.276658937938582E-13 -3.016848039140185E-13 1.192367777330994E-14
tp 8.790113434371092E-13 -2.062349587652516E-12 1.590951635743659E-8 2.109321411095752E-11 3.196760051893708E-9 9.369071846618986E-12
node 4.733536684036484E-14 -1.276658937938582E-13 2.109321411095752E-11 7.528144903926936E-10 -7.274781726422196E-10 -2.504185340080187E-11
peri 1.124183507211396E-13 -3.016848039140185E-13 3.196760051893708E-9 -7.274781726422196E-10 1.374731125645784E-9 2.619865429474101E-11
i -3.246033905048601E-15 1.192367777330994E-14 9.369071846618986E-12 -2.504185340080187E-11 2.619865429474101E-11 3.423089628317746E-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 15.8   n/a MPO434442  

390957 (2005 NL49)          Discovered 2005-Jul-05 by NEAT at Palomar
Reference: Last Updated: 2014-04-17

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