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JPL Small-Body Database Browser
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471954 (2013 RM98)
Classification: TransNeptunian Object          SPK-ID: 2471954
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1336961223762645 9.0571e-05  
a 43.38558370091577 0.0017391 au
q 37.58509939307248 0.0035276 au
i 28.07827280936839 0.00028892 deg
node 352.4262939308589 3.1839e-05 deg
peri 253.4562036035952 0.015796 deg
M 100.4640914049829 0.025209 deg
tp 2429471.541683610409
(1939-Jul-27.04168361)
5.9097 TDB
period 104379.832109646
285.78
6.276
0.01718
d
yr
n .003448942125350778 2.0737e-07 deg/d
Q 49.18606800875907 0.0019716 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      3361 days (9.20 yr)  
   first obs. used      2009-09-26  
   last obs. used      2018-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .48903  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:51:24  

Additional Information
 Earth MOID = 36.6835 au 
 Jupiter MOID = 32.8802 au 
 T_jup = 5.170 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456794.5 (2014-May-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1298578783384222 8.9775e-05  
q 37.63341537627935 0.00353 au
tp 2428967.125104178936
(1938-Mar-09.62510418)
6.314 TDB
node 352.4446909655223 3.1739e-05 deg
peri 251.8085245079855 0.016987 deg
i 28.13402963461015 0.0002893 deg
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      3361 days (9.20 yr)  
   first obs. used      2009-09-26  
   last obs. used      2018-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .48903  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:51:24  

Additional Information
 Jupiter MOID = 32.8802 au 
 T_jup = 5.170 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.059464725415027E-9 -2.928458395880891E-7 .000526579760734968 3.924370526683275E-11 1.045461600852874E-6 4.844712132787834E-10
q -2.928458395880891E-7 1.246090999280064E-5 -.01601389799869648 2.027190802472207E-9 -2.136735795105584E-5 -4.288366078793762E-9
tp .000526579760734968 -.01601389799869648 39.8663077002341 8.239628314410436E-6 .09716294125476546 5.358340290229323E-5
node 3.924370526683275E-11 2.027190802472207E-9 8.239628314410436E-6 1.007367921863585E-9 3.495349723395109E-8 8.052549578111977E-9
peri 1.045461600852874E-6 -2.136735795105584E-5 .09716294125476546 3.495349723395109E-8 .0002885719607110997 1.744656609042528E-7
i 4.844712132787834E-10 -4.288366078793762E-9 5.358340290229323E-5 8.052549578111977E-9 1.744656609042528E-7 8.369195413503277E-8

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 5.4   n/a MPO383526  

471954 (2013 RM98)          Discovered 2013-Sep-08 by DECam at Cerro Tololo-DECa
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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