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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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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.


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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