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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 ]

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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 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 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2019-Sep-06 01:10 00:03 Earth 0.0156979955308218 0.0156395066739118 0.0157564816870152 7.06257064858123 7.03849676463658 2458732.548898442 3.03190164024643 2898.34670809475 110.536297973242 1.99819204204447 568.991565692647 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 21:40:12 2021-Apr-15 21:40
2058-Nov-10 16:20 20:06 Earth 0.499361008468347 0.488839710514461 0.509902486677695 20.0759257005181 20.0756599188496 2473043.180485582 1205.94666157635 548497.436269336 369.929406524576 16.7747890796459 53097.1723070652 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 21:40:12 2021-Apr-15 21:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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