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JPL Small-Body Database Browser
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(2019 RD1)
Classification: Apollo [NEO]          SPK-ID: 3843782
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3930339447043898 0.0005826  
a 1.675241932600601 0.0016403 au
q 1.016814987496381 2.0283e-05 au
i 8.171169404464987 0.0087681 deg
node 162.4163109409508 0.00030082 deg
peri 192.4559723966552 0.010764 deg
M 297.0352865217267 0.43235 deg
tp 2459535.019035951586
(2021-Nov-16.51903595)
1.1546 TDB
period 791.9809396064039
2.17
1.1632
0.003185
d
yr
n .45455639396942 0.00066761 deg/d
Q 2.33366887770482 0.002285 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      1 day  
   first obs. used      2019-09-05  
   last obs. used      2019-09-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .36494  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:40:12  

Additional Information
 Earth MOID = .0144663 au 
 Jupiter MOID = 3.11252 au 
 T_jup = 4.139 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458732.5 (2019-Sep-06.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3944178752132764 0.00057836  
q 1.017473931675768 2.2274e-05 au
tp 2458742.826497330402
(2019-Sep-16.32649733)
0.010772 TDB
node 162.4594930956528 0.00012512 deg
peri 192.2687579122433 0.010243 deg
i 8.194523445425849 0.0086844 deg
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      1 day  
   first obs. used      2019-09-05  
   last obs. used      2019-09-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .36494  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:40:12  

Additional Information
 Jupiter MOID = 3.11252 au 
 T_jup = 4.139 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.345031881672529E-7 1.253060030055913E-8 -5.647807671088467E-6 7.228749194429696E-8 -5.110664616547409E-6 5.022438987988933E-6
q 1.253060030055913E-8 4.961474900626167E-10 -2.350725714575518E-7 2.69005212349764E-9 -2.182333559465843E-7 1.879447345877314E-7
tp -5.647807671088467E-6 -2.350725714575518E-7 .0001160264199369731 -1.204883431532247E-6 .0001098434601814766 -8.462148449062195E-5
node 7.228749194429696E-8 2.69005212349764E-9 -1.204883431532247E-6 1.565414866496358E-8 -1.086642929916369E-6 1.085634225271077E-6
peri -5.110664616547409E-6 -2.182333559465843E-7 .0001098434601814766 -1.086642929916369E-6 .0001049261269617148 -7.653177360348172E-5
i 5.022438987988933E-6 1.879447345877314E-7 -8.462148449062195E-5 1.085634225271077E-6 -7.653177360348172E-5 7.541869242803193E-5

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 26.9   .32042 MPO492691 autocmod 2.8

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