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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 84 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6382955199139952 9.9277e-07  
a 2.650379864076192 7.2268e-06 au
q .9586542707660949 3.1496e-08 au
i 5.705358948393839 6.5869e-06 deg
node 277.6098813450096 2.8425e-05 deg
peri 185.0058470072618 2.6247e-05 deg
M 79.11652454282526 0.00032156 deg
tp 2458854.141928892570
(2020-Jan-05.64192889)
9.7154e-06 TDB
period 1576.015962773765
4.31
0.006446
1.765e-05
d
yr
n .2284240823084084 9.3427e-07 deg/d
Q 4.342105457386289 1.184e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .39396  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-09 05:55:18  

Additional Information
 Earth MOID = .0205036 au 
 Jupiter MOID = .852526 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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