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(2019 SR8)
Classification: Apollo [NEO]          SPK-ID: 3872645
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 2458754.5 (2019-Sep-28.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5092333272364209 0.0025675  
a 1.782984816578596 0.008332 au
q .8750295260202577 0.00048887 au
i 1.149729923332214 0.0045737 deg
node 74.54878536817806 0.095643 deg
peri 353.1389917336062 0.086518 deg
M 338.2764806927423 0.16634 deg
tp 2458806.974411618035
(2019-Nov-19.47441162)
0.034058 TDB
period 869.6007269955221
2.38
6.0955
0.01669
d
yr
n .4139830945677829 0.0029019 deg/d
Q 2.690940107136933 0.012575 au
  Orbit Determination Parameters
   # obs. used (total)      12  
   data-arc span      5 days  
   first obs. used      2019-09-26  
   last obs. used      2019-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .72187  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-01 05:12:03  

Additional Information
 Earth MOID = .0130259 au 
 Jupiter MOID = 2.64112 au 
 T_jup = 3.926 
[ 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 25.5   .28557 MPO492730 autocmod 2.8

[ 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
1926-Oct-07 22:16 8_00:12 Earth 0.0273854390055342 0.0175424190904633 0.0883620938553599 11.1830049150275 11.1743012298979 2424796.427638579 11531.9753328815 3270581.36860672 537.184084093514 39.8896579305578 4479.85758906282 T 1 CATAB v2.0f-lin.ifort 2019-Oct-01 05:12:07 2019-Oct-01 05:12
2019-Oct-16 03:45 00:12 Earth 0.0346666459471804 0.0341268095194129 0.0352064575451622 9.82339495267691 9.81556765259228 2458772.656472431 12.4471514644693 26879.0212293609 77.3606034480466 -0.0925969998788742 126.480229274278 T 1 CATAB v2.0f-lin.ifort 2019-Oct-01 05:12:07 2019-Oct-01 05:12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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