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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03207799642874389 4.1269e-08  
a 3.144342732390045 2.5676e-08 au
q 3.043478517449691 1.2995e-07 au
i 21.63956005033134 5.7757e-06 deg
node 314.1926552914892 1.2015e-05 deg
peri 85.51272550245967 9.1728e-05 deg
M 189.5538872116087 8.9786e-05 deg
tp 2460164.723793529142
(2023-Aug-08.22379353)		 0.00050906 TDB
period 2036.541402979609
5.58		 2.4945e-05
6.83e-08		 d
yr
n .1767702829283479 2.1652e-09 deg/d
Q 3.2452069473304 2.6499e-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 = 2.09962 au 
 Jupiter MOID = 1.93134 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 = 1.93134 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 14.03   n/a E2021B10  
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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