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JPL Small-Body Database Browser
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(2019 UE8)
Classification: Apollo [NEO]          SPK-ID: 3883105
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 .431809335396079 0.00031225  
a 1.723221256002164 0.00094316 au
q .9791182307074728 2.1833e-06 au
i .3821498936395833 0.00027261 deg
node .9791107833495044 0.0049187 deg
peri 75.55870030302336 0.0048533 deg
M 77.57546287874021 0.062672 deg
tp 2458822.454145518178
(2019-Dec-04.95414552)
0.0023319 TDB
period 826.2471822262467
2.26
0.67833
0.001857
d
yr
n .4357049654680979 0.00035771 deg/d
Q 2.467324281296854 0.0013504 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      35 days  
   first obs. used      2019-10-19  
   last obs. used      2019-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .39139  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 19:59:05  

Additional Information
 Earth MOID = .0058835 au 
 Jupiter MOID = 2.82146 au 
 T_jup = 4.058 
[ 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 25.7   .41936 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
1944-Oct-15 00:02 3_01:29 Earth 0.27445187587114 0.236463443919187 0.312442637692044 14.8369143245598 14.8362599714943 2431378.501176060 4408.77079223547 1894807.24043813 4.02939670059285 -1.32177454830252 195589.651141411 T 7 CATAB v2.0f-lin.ifort 2019-Dec-03 19:59:07 2019-Dec-03 19:59
1945-Feb-08 22:22 8_08:23 Earth 0.477442770637507 0.446734494689203 0.50811167709294 2.63813372451702 2.63601746728463 2431495.431837732 12022.4950823621 1515141.64813657 39.7476897553174 6.52748162752216 18096.100383445 T 7 CATAB v2.0f-lin.ifort 2019-Dec-03 19:59:07 2019-Dec-03 19:59
1969-Oct-10 13:44 1_04:52 Earth 0.35558727922087 0.342386665837661 0.368787864386044 17.2912014974969 17.2907681399032 2440505.072542517 1732.44550624056 658241.561582401 4.19300454206004 -0.125338325286681 21664.7760804796 T 7 CATAB v2.0f-lin.ifort 2019-Dec-03 19:59:07 2019-Dec-03 19:59
2019-Nov-15 14:31 < 00:01 Earth 0.0196725479406581 0.0196335440211246 0.0197115508937129 6.62984276733779 6.60938212892506 2458803.104562724 0.16180757029677 1932.71409895505 7.29749680925701 0.111788467331815 864.108107444642 T 7 CATAB v2.0f-lin.ifort 2019-Dec-03 19:59:07 2019-Dec-03 19:59
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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