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(2019 UO)
Classification: Apollo [NEO, PHA]          SPK-ID: 3879231
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 85 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6380971170850117 9.9453e-07  
a 2.650406457774049 7.2201e-06 au
q .9591897379649303 3.4862e-08 au
i 5.704372059216641 6.5976e-06 deg
node 277.6133599540645 2.8439e-05 deg
peri 185.0031779661364 2.6235e-05 deg
M 123.9152142663606 0.00050446 deg
tp 2458854.013069324124
(2020-Jan-05.51306932)
9.0816e-06 TDB
period 1576.039683258912
4.31
0.00644
1.763e-05
d
yr
n .2284206443682923 9.3337e-07 deg/d
Q 4.341623177583167 1.1827e-05 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      202 days  
   first obs. used      2019-09-28  
   last obs. used      2020-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .39391  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:59:58  

Additional Information
 Earth MOID = .0198311 au 
 Jupiter MOID = .853527 au 
 T_jup = 3.057 
[ 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 20.0   .52066 MPO546166 autocmod 2.8
rotation period rot_per 7.7882 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]
[Pravec, P.; Wolf, M.; Sarounova, L. (2020) 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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