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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.


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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457195.5 (2015-Jun-22.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03195047913736519 4.0558e-08  
q 3.044523081072959 1.2766e-07 au
tp 2458142.134846060212
(2018-Jan-23.63484606)
0.00051458 TDB
node 314.2118028506623 1.2016e-05 deg
peri 88.20963180473778 9.3045e-05 deg
i 21.63807069655262 5.7752e-06 deg
  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
 Jupiter MOID = 1.9308 au 
 T_jup = 3.099 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.644927100172292E-15 -5.079530390630371E-15 -5.518247833537564E-12 -2.005837147880207E-15 -1.01291596109243E-12 -8.701065240682714E-15
q -5.079530390630371E-15 1.629816723928961E-14 1.795118884772394E-11 9.294211154612646E-15 3.234798819866051E-12 2.831928052887649E-14
tp -5.518247833537564E-12 1.795118884772394E-11 2.647899018230996E-7 -4.964642818058103E-11 4.748618873372778E-8 3.310013131940172E-11
node -2.005837147880207E-15 9.294211154612646E-15 -4.964642818058103E-11 1.443734715122159E-10 -1.429005823882655E-10 1.684526798789447E-11
peri -1.01291596109243E-12 3.234798819866051E-12 4.748618873372778E-8 -1.429005823882655E-10 8.657407043917323E-9 -9.683021790834545E-12
i -8.701065240682714E-15 2.831928052887649E-14 3.310013131940172E-11 1.684526798789447E-11 -9.683021790834545E-12 3.335237757348231E-11

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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