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JPL Small-Body Database Browser
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(2016 RM20)
Classification: Apollo [NEO]          SPK-ID: 3759288
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599245769851609 0.00028124  
a 1.162809519118166 0.00038336 au
q .976847698658875 5.1839e-06 au
i 9.310406199528817 0.014488 deg
node 174.7065577831891 0.00016426 deg
peri 227.8597395064342 0.020731 deg
M 306.8969501940658 0.48861 deg
tp 2459068.058229238938
(2020-Aug-06.55822924)
0.65502 TDB
period 457.9955881046178
1.25
0.22649
0.0006201
d
yr
n .7860337727047425 0.00038871 deg/d
Q 1.348771339577457 0.00044466 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      10 days  
   first obs. used      2016-09-09  
   last obs. used      2016-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .64295  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:23:58  

Additional Information
 Earth MOID = .0165565 au 
 Jupiter MOID = 3.93176 au 
 T_jup = 5.396 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457642.5 (2016-Sep-11.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1591580417463289 0.00028508  
q .9775547200213718 8.7226e-06 au
tp 2457693.755267786889
(2016-Nov-01.25526779)
0.022674 TDB
node 174.844478683485 0.00037033 deg
peri 227.3528637242016 0.018815 deg
i 9.374288005293696 0.014282 deg
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      10 days  
   first obs. used      2016-09-09  
   last obs. used      2016-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .64295  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:23:58  

Additional Information
 Jupiter MOID = 3.93176 au 
 T_jup = 5.396 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.127313959987619E-8 -2.455499439928857E-9 -6.462602992541841E-6 -1.052121904738455E-7 -5.361851139207622E-6 4.071392368757934E-6
q -2.455499439928857E-9 7.608303192472531E-11 1.946289023549628E-7 3.142643910117135E-9 1.612715474913641E-7 -1.228590792051144E-7
tp -6.462602992541841E-6 1.946289023549628E-7 .0005140977324602848 8.377742282964825E-6 .0004266024481589024 -.0003237918383156522
node -1.052121904738455E-7 3.142643910117135E-9 8.377742282964825E-6 1.371407098016241E-7 6.954445433439966E-6 -5.27395705018028E-6
peri -5.361851139207622E-6 1.612715474913641E-7 .0004266024481589024 6.954445433439966E-6 .0003540211350918204 -.0002686570485214423
i 4.071392368757934E-6 -1.228590792051144E-7 -.0003237918383156522 -5.27395705018028E-6 -.0002686570485214423 .0002039712402133588

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.2   n/a E2016S05  

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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