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JPL Small-Body Database Browser
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(2018 UO1)
Classification: Apollo [NEO]          SPK-ID: 3831914
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 2458412.5 (2018-Oct-21.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6871324828751644 0.0008591  
a 2.102539848038751 0.0049924 au
q .6578164219119134 0.00024457 au
i 6.504414792749131 0.0082493 deg
node 26.80558705411957 0.00012523 deg
peri 277.3115695116301 0.0007142 deg
M 15.60380840672659 0.063453 deg
tp 2458364.233824421338
(2018-Sep-02.73382442)
0.02438 TDB
period 1113.562968437105
3.05
3.9662
0.01086
d
yr
n .3232866126154167 0.0011515 deg/d
Q 3.547263274165589 0.0084229 au
  Orbit Determination Parameters
   # obs. used (total)      25  
   data-arc span      1 day  
   first obs. used      2018-10-20  
   last obs. used      2018-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .44247  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-22 07:16:03  

Additional Information
 Earth MOID = .00429868 au 
 Jupiter MOID = 1.79017 au 
 T_jup = 3.393 
[ 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 27.5   .49049 MPO458821 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
1911-Oct-18 14:53 7_09:30 Earth 0.0310498801951438 0.0173124252189721 0.142256844288607 20.6487493339986 20.6445930770744 2419328.120237372 10650.1200240682 5756396.14567393 1057.26092278216 33.9409709308825 2434.04421453003 T 2 CATAB v2.0e-lin.ifort 2018-Oct-22 07:16:06 2018-Dec-11 17:24
1954-Apr-15 19:00 2_20:51 Earth 0.315086585718526 0.266118168200851 0.364088951994451 29.1774814688763 29.1771916432402 2434848.291958502 4130.71094601155 2448142.12975273 1530.19112053666 3.77919323317866 1944.49525135197 T 2 CATAB v2.0e-lin.ifort 2018-Oct-22 07:16:06 2018-Dec-11 17:24
1957-May-06 10:35 8_23:17 Earth 0.0571038866650255 0.027064419197685 0.171156166909772 18.3296484362803 18.3271026454767 2435964.941207702 12916.5740504566 5920863.25234276 1914.78271147035 -28.333961538332 2166.58943769084 T 2 CATAB v2.0e-lin.ifort 2018-Oct-22 07:16:06 2018-Dec-11 17:24
2018-Sep-09 08:10 05:54 Venus 0.0747255102508783 0.0744160451141074 0.0750360690659868 13.1262991681577 13.1240850826611 2458370.840030684 354.183530666959 21382.7015777556 4048.17540355263 -44.7406915010703 1511.25540804868 T 2 CATAB v2.0e-lin.ifort 2018-Oct-22 07:16:06 2018-Dec-11 17:24
2018-Oct-18 07:07 00:05 Earth 0.00439935225992603 0.0043779092405363 0.00442079489391512 20.0259940773278 19.9957278810458 2458409.796361386 4.49493850352075 1067.29021191395 17.3727439391078 0.215418595052359 531.78754045321 T 2 CATAB v2.0e-lin.ifort 2018-Oct-22 07:16:06 2018-Dec-11 17:24
2018-Oct-18 08:34 00:05 Moon 0.00546556499391228 0.00544640049470279 0.00548474889441032 19.1211340109695 19.120820412724 2458409.857085242 4.79428436680177 1085.38807321257 25.0883320730923 28.2575929428076 17020.4681415498 T 2 CATAB v2.0e-lin.ifort 2018-Oct-22 07:16:06 2018-Dec-11 17:24
2021-Nov-03 02:01 9_21:17 Earth 0.29680701084213 0.0940034152186106 0.49966456205176 28.8421782434224 28.8418669911803 2459521.583771313 14237.4071877421 10116309.0980764 940.218324628402 0.851735303944353 667.582074565108 T 2 CATAB v2.0e-lin.ifort 2018-Oct-22 07:16:06 2018-Dec-11 17:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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