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JPL Small-Body Database Browser
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(2021 RQ1)
Classification: Apollo [NEO]          SPK-ID: 54192190
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 2459463.5 (2021-Sep-06.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955760604184953 0.00096914  
a 1.257120812073256 0.0016167 au
q 1.011258076177869 8.3484e-05 au
i 10.33421095452024 0.038462 deg
node 167.6919822887579 0.0066247 deg
peri 212.9348039301221 0.045837 deg
M 335.9702641533891 0.082328 deg
tp 2459497.864533075294
(2021-Oct-10.36453308)
0.051932 TDB
period 514.8301248950526
1.41
0.99312
0.002719
d
yr
n .6992597802496222 0.0013489 deg/d
Q 1.502983547968643 0.0019329 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   data-arc span      4 days  
   first obs. used      2021-09-05  
   last obs. used      2021-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .46713  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-10 05:57:30  

Additional Information
 Earth MOID = .029247 au 
 Jupiter MOID = 3.93321 au 
 T_jup = 5.088 
[ 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 26.339   .20075 2 autocmod 2.9e

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