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(2018 RQ1)
Classification: Aten [NEO]          SPK-ID: 3827305
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1710721256231694 9.7824e-06  
a .8785529531994831 6.4597e-06 au
q .7282570320231347 1.3949e-05 au
i .8452651446533836 2.0751e-05 deg
node 38.31926842288085 0.0011811 deg
peri 116.360605337422 0.00071286 deg
M 231.4939241954976 0.0081003 deg
tp 2459107.867169053577
(2020-Sep-15.36716905)
0.007952 TDB
period 300.7809601009801
0.82
0.0033173
9.082e-06
d
yr
n 1.196884270464256 1.32e-05 deg/d
Q 1.028848874375832 7.5647e-06 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      28 days  
   first obs. used      2018-09-07  
   last obs. used      2018-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .29956  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-07 06:47:02  

Additional Information
 Earth MOID = .00812896 au 
 Jupiter MOID = 3.94821 au 
 T_jup = 6.732 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458375.5 (2018-Sep-14.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1745216314390515 9.3416e-06  
q .7222991715881426 1.3156e-05 au
tp 2458506.765216545662
(2019-Jan-23.26521655)
0.0014316 TDB
node 52.61236226962458 0.00099851 deg
peri 103.3275756500024 0.001242 deg
i .6512952750230232 4.2336e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      28 days  
   first obs. used      2018-09-07  
   last obs. used      2018-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .29956  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-07 06:47:02  

Additional Information
 Jupiter MOID = 3.94821 au 
 T_jup = 6.732 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.726527365102762E-11 -1.229019382515311E-10 -1.337294951008414E-8 -8.881755470787941E-9 1.125568013900129E-8 3.948979559179681E-10
q -1.229019382515311E-10 1.730920534149632E-10 1.883381060596303E-8 1.250680530560348E-8 -1.585050358738788E-8 -5.561380491348428E-10
tp -1.337294951008414E-8 1.883381060596303E-8 2.049619065452251E-6 1.362074950105973E-6 -1.725556428884907E-6 -6.052489328137024E-8
node -8.881755470787941E-9 1.250680530560348E-8 1.362074950105973E-6 9.970253297809699E-7 -1.237381883845975E-6 -4.085858266137133E-8
peri 1.125568013900129E-8 -1.585050358738788E-8 -1.725556428884907E-6 -1.237381883845975E-6 1.542662039777442E-6 5.158873271966949E-8
i 3.948979559179681E-10 -5.561380491348428E-10 -6.052489328137024E-8 -4.085858266137133E-8 5.158873271966949E-8 1.792370896411405E-9

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 24.2   .39747 MPO461091 autocmod 2.6n

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