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(2018 RQ5)
Classification: Apollo [NEO]          SPK-ID: 3829423
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5401040227012487 0.00082357  
a 2.162790697668069 0.0038526 au
q .9946587415967046 9.4832e-06 au
i 8.777116798766501 0.0093269 deg
node 354.1154096324645 4.2748e-05 deg
peri 325.0348547238028 0.0027967 deg
M 201.790594008492 0.54053 deg
tp 2459511.063736875027
(2021-Oct-23.56373688)
3.1086 TDB
period 1161.770023236642
3.18
3.1042
0.008499
d
yr
n .3098719994487852 0.00082797 deg/d
Q 3.330922653739433 0.0059334 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      15 days  
   first obs. used      2018-09-13  
   last obs. used      2018-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .38734  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-15 07:11:23  

Additional Information
 Earth MOID = .0342359 au 
 Jupiter MOID = 2.04063 au 
 T_jup = 3.478 
[ 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 24.9   .47188 E2018S67 autocmod 2.6n

[ 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
2018-Sep-10 06:53 < 00:01 Earth 0.0384414142815329 0.0382974939489474 0.0385853332181976 10.3667755048012 10.3600873021695 2458371.786761525 0.0890317402912072 7167.3819013285 19.4342586260168 0.0741702411686556 520.446650645192 T 7 CATAB v2.0e-lin.ifort 2018-Oct-15 07:13:41 2018-Dec-11 17:23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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