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59851 (1999 RO80)
Classification: Main-belt Asteroid          SPK-ID: 2059851
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1977227365147174 4.123e-08  
a 3.118244843255566 2.343e-08 au
q 2.50169693972417 1.3707e-07 au
i 10.98881367731296 5.0918e-06 deg
node 184.3444698163236 2.3285e-05 deg
peri 95.06469189169508 2.6911e-05 deg
M 313.2800775083837 1.3219e-05 deg
tp 2459261.513733587926
(2021-Feb-16.01373359)
7.5029e-05 TDB
period 2011.239297507718
5.51
2.2668e-05
6.206e-08
d
yr
n .178994115939413 2.0174e-09 deg/d
Q 3.734792746786963 2.8063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      10247 days (28.05 yr)  
   first obs. used      1992-04-07  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:50:07  

Additional Information
 Earth MOID = 1.516 au 
 Jupiter MOID = 1.59856 au 
 T_jup = 3.159 
[ 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 14.6   n/a MPO395558  
diameter diameter 7.272 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59851 (1999 RO80)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RO80 = 1998 HH121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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