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187074 (2005 NH28)
Classification: Main-belt Asteroid          SPK-ID: 2187074
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2063538086752683 4.9696e-08  
a 2.420416182824765 9.7259e-09 au
q 1.92095408491962 1.2341e-07 au
i 5.064356962723369 5.2547e-06 deg
node 158.8959090832093 6.0336e-05 deg
peri 184.3723296242216 6.1867e-05 deg
M 8.800278229784617 1.3588e-05 deg
tp 2459166.877701380871
(2020-Nov-13.37770138)
5.1846e-05 TDB
period 1375.414184283441
3.77
8.2902e-06
2.27e-08
d
yr
n .2617393394030989 1.5776e-09 deg/d
Q 2.919878280729909 1.1733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      21989 days (60.20 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53869  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:56  

Additional Information
 Earth MOID = .911301 au 
 Jupiter MOID = 2.49035 au 
 T_jup = 3.479 
[ 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 17.30   n/a E2021B55  

187074 (2005 NH28)          Discovered 2005-Jul-05 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2005 NH28 = 6881 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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