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(2019 UC)
Classification: Apollo [NEO]          SPK-ID: 3879220
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4082386259162806 1.7731e-05  
a 1.494116173066435 3.9056e-05 au
q .8841602396145019 3.3834e-06 au
i 2.689692177732683 0.00011636 deg
node 205.8571598355176 3.6417e-05 deg
peri 241.0531024666894 4.5923e-05 deg
M 202.3751705010682 0.0077334 deg
tp 2459492.576829779652
(2021-Oct-05.07682978)
0.025782 TDB
period 667.0754795099549
1.83
0.026156
7.161e-05
d
yr
n .5396690645329404 2.116e-05 deg/d
Q 2.104072106518368 5.5e-05 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      59 days  
   first obs. used      2019-08-31  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .46237  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:45:10  

Additional Information
 Earth MOID = .00735909 au 
 Jupiter MOID = 3.13483 au 
 T_jup = 4.460 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458756.5 (2019-Sep-30.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4079172495702369 1.778e-05  
q .8837823033666626 3.3929e-06 au
tp 2458825.622425083995
(2019-Dec-08.12242508)
0.0003785 TDB
node 206.3466126040562 3.4029e-05 deg
peri 240.6143651665512 4.3767e-05 deg
i 2.82331114037751 0.00010501 deg
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      59 days  
   first obs. used      2019-08-31  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .46237  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:45:10  

Additional Information
 Jupiter MOID = 3.13483 au 
 T_jup = 4.460 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.161153177147194E-10 -6.027761364042939E-11 -6.720074387841781E-9 -5.191434092297747E-10 4.317011166940702E-10 1.861149104380033E-9
q -6.027761364042939E-11 1.151205367881849E-11 1.278794245413613E-9 9.88991367240006E-11 -8.646101578649296E-11 -3.549764207901847E-10
tp -6.720074387841781E-9 1.278794245413613E-9 1.432630393515898E-7 1.102498835594088E-8 -8.527587035028709E-9 -3.954190281036906E-8
node -5.191434092297747E-10 9.88991367240006E-11 1.102498835594088E-8 1.157996115344877E-9 -1.015674298459353E-9 -3.006459088228552E-9
peri 4.317011166940702E-10 -8.646101578649296E-11 -8.527587035028709E-9 -1.015674298459353E-9 1.9155474125991E-9 2.521992243134013E-9
i 1.861149104380033E-9 -3.549764207901847E-10 -3.954190281036906E-8 -3.006459088228552E-9 2.521992243134013E-9 1.10268299492395E-8

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 24.1   .47527 E2019X49 autocmod 2.8
rotation period rot_per 0.074231 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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