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56948 (2000 RR98)
Classification: Main-belt Asteroid          SPK-ID: 2056948
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03193462335694296 4.1187e-08  
a 3.144829528088536 2.5779e-08 au
q 3.044400581587236 1.2969e-07 au
i 21.63943798758313 5.7756e-06 deg
node 314.1920240503705 1.2015e-05 deg
peri 85.73969921616845 9.2225e-05 deg
M 153.965474554775 9.0251e-05 deg
tp 2458129.305883267911
(2018-Jan-10.80588327)		 0.00050999 TDB
period 2037.014356176159
5.58		 2.5047e-05
6.857e-08		 d
yr
n .1767292404731916 2.173e-09 deg/d
Q 3.245258474589836 2.6602e-08 au
   Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      8467 days (23.18 yr)  
   first obs. used      1997-03-13  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55234  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:57:11  

Additional Information
 Earth MOID = 2.10249 au 
 Jupiter MOID = 1.9308 au 
 T_jup = 3.099 
[ 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 14.0   n/a MPO390098  
diameter diameter 8.300 km 0.418 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.093   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56948 (2000 RR98)          Discovered 2000-Sep-05 by LONEOS at Anderson Mesa
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1938-Sep-19 19:47 00:03 Jupiter 1.97179478200586 1.97179385313631 1.97179571087867 6.78324095365489 6.71961451451021 2429161.324157337 2.51957787819459 301.057119863836 42.2220190931669 -86.1790392386055 4068108.84426027 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 22:57:13 2020-Nov-12 22:57
2139-Jul-02 20:41 00:04 Jupiter 1.99571776447436 1.99571607996951 1.99571944908608 6.89329821871079 6.83145082320795 2502496.361555676 3.98181884893007 760.425865194266 20.0869218870898 83.827592348869 3918847.7609816 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 22:57:13 2020-Nov-12 22:57
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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