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JPL Small-Body Database Browser
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59823 (1999 RU26)
Classification: Main-belt Asteroid          SPK-ID: 2059823
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104996618942338 4.8165e-08  
a 3.198801515347619 2.5688e-08 au
q 2.845335029434944 1.5536e-07 au
i 5.470523588447143 5.527e-06 deg
node 158.7032427200396 4.9153e-05 deg
peri 204.3461472021116 5.3721e-05 deg
M 219.7381637028918 2.3281e-05 deg
tp 2459814.672418984239
(2022-Aug-23.17241898)
0.00013866 TDB
period 2089.677980640905
5.72
2.5172e-05
6.892e-08
d
yr
n .1722753473669603 2.0752e-09 deg/d
Q 3.552268001260294 2.8526e-08 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      10524 days (28.81 yr)  
   first obs. used      1991-04-07  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5817  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:55:02  

Additional Information
 Earth MOID = 1.84366 au 
 Jupiter MOID = 1.89951 au 
 T_jup = 3.178 
[ 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 14.4   n/a MPO263810  
diameter diameter 3.795 km 0.839 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.177   0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59823 (1999 RU26)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 RU26 = 2000 YC84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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