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175344 (2005 NJ91)
Classification: Main-belt Asteroid          SPK-ID: 2175344
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2304719917708093 6.998e-08  
a 2.577844264700174 1.891e-08 au
q 1.983723362539768 1.86e-07 au
i 3.174416108749796 6.3268e-06 deg
node 284.3561761051838 0.00011476 deg
peri 296.7034953040432 0.00011551 deg
M 321.1377054547743 1.1059e-05 deg
tp 2459363.695951341732
(2021-May-29.19595134)
4.6434e-05 TDB
period 1511.76206064346
4.14
1.6635e-05
4.554e-08
d
yr
n .2381327123970628 2.6203e-09 deg/d
Q 3.171965166860581 2.3268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6267 days (17.16 yr)  
   first obs. used      2004-01-17  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58317  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:05:00  

Additional Information
 Earth MOID = .976842 au 
 Jupiter MOID = 1.82609 au 
 T_jup = 3.386 
[ 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 16.5   n/a MPO469881  

175344 (2005 NJ91)          Discovered 2005-Jul-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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