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(2018 RD5)
Classification: Apollo [NEO]          SPK-ID: 3828422
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2884095143894421 0.00010385  
a 1.418862802167646 0.00020679 au
q 1.009649270409232 2.2021e-07 au
i 8.458926392304337 0.0022504 deg
node 170.9763119886382 7.7502e-05 deg
peri 163.858507371489 0.00094094 deg
M 13.14225964840002 0.081399 deg
tp 2458977.964013492838
(2020-May-08.46401349)
0.13465 TDB
period 617.3181294257789
1.69
0.13495
0.0003695
d
yr
n .5831677101964706 0.00012749 deg/d
Q 1.82807633392606 0.00026643 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      35 days  
   first obs. used      2018-09-11  
   last obs. used      2018-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .49005  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-20 06:53:51  

Additional Information
 Earth MOID = .0118218 au 
 Jupiter MOID = 3.55334 au 
 T_jup = 4.656 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458377.5 (2018-Sep-16.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2893134315609892 0.00010314  
q 1.009624053932668 2.6049e-07 au
tp 2458360.630048091074
(2018-Aug-30.13004809)
0.00024863 TDB
node 171.0151879845744 5.8587e-05 deg
peri 163.781601135847 0.00086922 deg
i 8.475883799015108 0.0022387 deg
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      35 days  
   first obs. used      2018-09-11  
   last obs. used      2018-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .49005  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-20 06:53:51  

Additional Information
 Jupiter MOID = 3.55334 au 
 T_jup = 4.656 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.063729811109599E-8 2.493867107619102E-11 -2.473874402687286E-8 6.031396955903195E-9 -8.934388769002616E-8 2.30889708397057E-7
q 2.493867107619102E-11 6.785722361032897E-14 -5.193617947345661E-11 1.43298362280958E-11 -2.028450920885451E-10 5.417769915407745E-10
tp -2.473874402687286E-8 -5.193617947345661E-11 6.181521658387912E-8 -1.392102269057896E-8 2.124656569389842E-7 -5.368356391149573E-7
node 6.031396955903195E-9 1.43298362280958E-11 -1.392102269057896E-8 3.432423622289849E-9 -5.055125015290154E-8 1.30927249530911E-7
peri -8.934388769002616E-8 -2.028450920885451E-10 2.124656569389842E-7 -5.055125015290154E-8 7.55538545351656E-7 -1.939120315375227E-6
i 2.30889708397057E-7 5.417769915407745E-10 -5.368356391149573E-7 1.30927249530911E-7 -1.939120315375227E-6 5.011854268066058E-6

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 25.9   .34792 E2018T04 autocmod 2.6n

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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