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(2020 RB1)
Classification: Amor [NEO]          SPK-ID: 54053757
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 2459099.5 (2020-Sep-07.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3789431132456392 0.0016867  
a 1.64851068614499 0.0046125 au
q 1.023818914518503 8.4433e-05 au
i 10.67471724838877 0.034033 deg
node 166.8456780305623 0.0019854 deg
peri 198.6371012580919 0.011157 deg
M 350.798070400819 0.046814 deg
tp 2459119.261162182114
(2020-Sep-26.76116218)
0.017779 TDB
period 773.1007185921299
2.12
3.2447
0.008884
d
yr
n .4656573087340871 0.0019543 deg/d
Q 2.273202457771478 0.0063603 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      3 days  
   first obs. used      2020-09-06  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .70917  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-09 06:30:41  

Additional Information
 Earth MOID = .0296715 au 
 Jupiter MOID = 3.18877 au 
 T_jup = 4.180 
[ 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 26.731   .25013 2 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
2020-Sep-13 00:49 < 00:01 Earth 0.0300648922620731 0.0297335162682504 0.0303962466288881 7.74847723732681 7.7370311453112 2459105.533820924 0.869403229079743 16474.7731175302 200.819441743714 -0.320260359781187 163.628970293915 T 2 CATAB v2.0f-lin.ifort 2020-Sep-09 06:30:43 2020-Sep-09 06:31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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