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(2019 UC)
Classification: Apollo [NEO]          SPK-ID: 3879220
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4084476731348348 1.7731e-05  
a 1.4939082539029 3.9053e-05 au
q .8837249037193364 3.39e-06 au
i 2.69018659974624 0.0001164 deg
node 205.8728750846832 3.558e-05 deg
peri 241.03058726989 4.4981e-05 deg
M 94.4343778280778 0.0035037 deg
tp 2458825.550808577934
(2019-Dec-08.05080858)
0.00036967 TDB
period 666.9362403869994
1.83
0.026152
7.16e-05
d
yr
n .539781733544881 2.1166e-05 deg/d
Q 2.104091604086463 5.5004e-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 = .00747295 au 
 Jupiter MOID = 3.13457 au 
 T_jup = 4.460 
[ 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 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]

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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