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101876 (1999 NJ15)
Classification: Main-belt Asteroid          SPK-ID: 2101876
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469682284037733 4.4619e-08  
a 2.568552223179584 1.3995e-08 au
q 2.191056653376307 1.1776e-07 au
i 5.530681397876586 3.1516e-06 deg
node 105.8589785881953 5.796e-05 deg
peri 228.500855616595 6.0545e-05 deg
M 352.6263916954156 1.6722e-05 deg
tp 2459031.297012541816
(2020-Jun-30.79701254)
6.9743e-05 TDB
period 1503.595533839325
4.12
1.2289e-05
3.365e-08
d
yr
n .2394260902603013 1.9568e-09 deg/d
Q 2.94604779298286 1.6052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      7793 days (21.34 yr)  
   first obs. used      1999-06-25  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50238  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:03  

Additional Information
 Earth MOID = 1.18535 au 
 Jupiter MOID = 2.40792 au 
 T_jup = 3.409 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO244927  

101876 (1999 NJ15)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 NJ15 = 2000 YL71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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