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(2018 RH5)
Classification: Amor [NEO]          SPK-ID: 3828426
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2458376.5 (2018-Sep-15.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4846761037445779 0.001268  
a 2.019110275845911 0.0051193 au
q 1.040495774318275 7.7872e-05 au
i 5.845161190876693 0.011008 deg
node 348.2968588304338 0.00052195 deg
peri 2.995268568234922 0.0053711 deg
M .4252784895574537 0.00040958 deg
tp 2458375.262032049494
(2018-Sep-13.76203205)
0.0055226 TDB
period 1047.944989284372
2.87
3.9854
0.01091
d
yr
n .343529482636144 0.0013065 deg/d
Q 2.997724777373548 0.0076004 au
  Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      6 days  
   first obs. used      2018-09-12  
   last obs. used      2018-09-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .33329  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:39:00  

Additional Information
 Earth MOID = .0341704 au 
 Jupiter MOID = 2.43881 au 
 T_jup = 3.661 
[ 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 26.6   .32682 MPO452108 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 15:21 < 00:01 Earth 0.0342907731037125 0.0340582811933278 0.0345232545011958 6.83327874467094 6.82189807684168 2458372.139271165 0.943422343004091 11554.3793362714 231.392908544652 0.254978826541596 255.980462198633 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:39:01 2021-Apr-15 20:39
2081-Sep-27 13:59 2_16:58 Earth 0.0641715502221384 0.0556798530552658 0.0728255136048154 7.57575655755361 7.57027377528782 2481400.082822910 3897.54605905115 456811.824111342 212.877769431918 -20.5331577171299 12864.5212119565 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:39:01 2021-Apr-15 20:39
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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