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(2019 UR2)
Classification: Apollo [NEO]          SPK-ID: 3879298
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6503937482891906 0.00015522  
a 2.438064983136794 0.001013 au
q .8523627601818322 2.4266e-05 au
i 10.45680868677719 0.0019544 deg
node 228.833949879316 0.00061883 deg
peri 231.1144097964426 0.00068003 deg
M 144.7250566673922 0.089752 deg
tp 2458837.505455014192
(2019-Dec-20.00545501)
0.0017396 TDB
period 1390.485108997933
3.81
0.86664
0.002373
d
yr
n .2589024489873449 0.00016137 deg/d
Q 4.023767206091756 0.0016719 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      31 days  
   first obs. used      2019-10-19  
   last obs. used      2019-11-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .35803  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:00:12  

Additional Information
 Earth MOID = .00412635 au 
 Jupiter MOID = 1.3515 au 
 T_jup = 3.157 
[ 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 22.2   .42336 E2019-WC0 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
2019-Nov-18 06:58 < 00:01 Earth 0.0461328743182294 0.0461026915239046 0.0461630570885124 13.4488583502624 13.4445631266345 2458805.790512997 0.055704331232832 1504.17659456929 11.5771612557931 -0.396332441830723 3946.77310577419 T 19 CATAB v2.0g-lin.ifort 2021-Apr-15 22:00:13 2021-Apr-15 22:00
2181-Feb-22 15:06 2_03:57 Earth 0.151266951886721 0.147894621475181 0.156077662907532 13.3395279992305 13.3382074659984 2517707.129279458 3116.76101978019 764201.173077307 122.07656679329 -74.4361483833332 183362.454563511 T 19 CATAB v2.0g-lin.ifort 2021-Apr-15 22:00:13 2021-Apr-15 22:00
2186-Aug-02 21:36 3_09:52 Jupiter 1.82481975737984 1.76870714391868 1.88160260075937 6.89753087091951 6.82990458075352 2519694.399659060 4912.37342655657 3316664.80227666 199.845612074322 -35.2482854496353 178594.962601564 T 19 CATAB v2.0g-lin.ifort 2021-Apr-15 22:00:13 2021-Apr-15 22:00
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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