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78138 (2002 NP15)
Classification: Main-belt Asteroid          SPK-ID: 2078138
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .175071625796313 4.991e-08  
a 2.290530941500418 1.0776e-08 au
q 1.88952396563518 1.1727e-07 au
i 4.993902794723856 5.0872e-06 deg
node 359.75440728055 5.6655e-05 deg
peri 344.7829967560172 5.8077e-05 deg
M 23.6628532643192 1.3988e-05 deg
tp 2458917.272417308626
(2020-Mar-08.77241731)
4.8986e-05 TDB
period 1266.201055055081
3.47
8.9356e-06
2.446e-08
d
yr
n .2843150371441915 2.0064e-09 deg/d
Q 2.691537917365655 1.2663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      418  
   data-arc span      9724 days (26.62 yr)  
   first obs. used      1994-03-06  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:05  

Additional Information
 Earth MOID = .882738 au 
 Jupiter MOID = 2.71303 au 
 T_jup = 3.573 
[ show covariance matrix ]

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 16.4   n/a MPO474672  

78138 (2002 NP15)          Discovered 2002-Jul-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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