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JPL Small-Body Database Browser
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59790 (1999 NR56)
Classification: Main-belt Asteroid          SPK-ID: 2059790
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1612643160502568 7.0982e-08  
a 3.122178413809018 2.8587e-08 au
q 2.618682447319231 2.2151e-07 au
i 11.22524232159085 5.571e-06 deg
node 267.9235481497967 3.3229e-05 deg
peri 57.9100785917808 3.864e-05 deg
M 207.3147219708719 2.319e-05 deg
tp 2459455.133014258814
(2021-Aug-28.63301426)
0.00013524 TDB
period 2015.04617278477
5.52
2.7675e-05
7.577e-08
d
yr
n .1786559558099278 2.4537e-09 deg/d
Q 3.625674380298805 3.3197e-08 au
  Orbit Determination Parameters
   # obs. used (total)      763  
   data-arc span      7209 days (19.74 yr)  
   first obs. used      1999-07-12  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57119  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:40:30  

Additional Information
 Earth MOID = 1.62629 au 
 Jupiter MOID = 1.75273 au 
 T_jup = 3.166 
[ 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 13.7   n/a MPO432152  
diameter diameter 9.456 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59790 (1999 NR56)          Discovered 1999-Jul-12 by LINEAR at Socorro
Reference: 20030614/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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