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(2018 RB1)
Classification: Apollo [NEO]          SPK-ID: 3827174
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2824534219682973 0.0001483  
a 1.119423823008374 0.00011263 au
q .8032387335668251 8.5256e-05 au
i 5.04325708659401 0.0028907 deg
node 166.8723313720768 7.6347e-05 deg
peri 266.6907421476693 0.00072302 deg
M 108.0379304842759 0.063771 deg
tp 2458870.673305343977
(2020-Jan-22.17330534)
0.057038 TDB
period 432.6037148866952
1.18
0.065292
0.0001788
d
yr
n .832170385070061 0.0001256 deg/d
Q 1.435608912449923 0.00014445 au
  Orbit Determination Parameters
   # obs. used (total)      41  
   data-arc span      4 days  
   first obs. used      2018-09-06  
   last obs. used      2018-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .34648  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-10 06:55:17  

Additional Information
 Earth MOID = .00225947 au 
 Jupiter MOID = 3.81829 au 
 T_jup = 5.535 
[ 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 27.9   .58105 MPO452092 autocmod 2.6n

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