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JPL Small-Body Database Browser
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357691 (2005 NR56)
Classification: Main-belt Asteroid          SPK-ID: 2357691
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09394079252296783 6.8178e-08  
a 2.8115707218411 2.7826e-08 au
q 2.547449539996974 1.996e-07 au
i 4.690934698461626 7.1687e-06 deg
node 131.9490513003162 9.0759e-05 deg
peri 184.846007024087 0.00010825 deg
M 327.5999877467209 5.3449e-05 deg
tp 2458755.476061174789
(2019-Sep-28.97606117)
0.00025585 TDB
period 1721.955584053131
4.71
2.5563e-05
6.999e-08
d
yr
n .2090646259020419 3.1036e-09 deg/d
Q 3.075691903685226 3.044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      5644 days (15.45 yr)  
   first obs. used      2004-04-14  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62055  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:09:41  

Additional Information
 Earth MOID = 1.53307 au 
 Jupiter MOID = 2.16611 au 
 T_jup = 3.309 
[ 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 17.2   n/a MPO440602  

357691 (2005 NR56)          Discovered 2005-Jul-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2005 NR56 = 2009 HV87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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