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393908 (2005 UH3)
Classification: Apollo [NEO]          SPK-ID: 2393908
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5460531030673635 6.4538e-08  
a 1.726442817131813 7.3128e-09 au
q .7837133595686255 1.1159e-07 au
i 44.76971672024402 1.6507e-05 deg
node 53.3333250682395 4.4381e-06 deg
peri 309.156738345806 8.2508e-06 deg
M 170.5509986435823 7.0024e-06 deg
tp 2458607.964905962985
(2019-May-04.46490596)
1.403e-05 TDB
period 828.5652677334401
2.27
5.2644e-06
1.441e-08
d
yr
n .4344859892387096 2.7606e-09 deg/d
Q 2.669172274695 1.1306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   # delay obs. used      3  
   # Doppler obs. used      2  
   data-arc span      5232 days (14.32 yr)  
   first obs. used      2005-10-25  
   last obs. used      2020-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5171  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 23:31:11  

Additional Information
 Earth MOID = .0797597 au 
 Jupiter MOID = 3.21753 au 
 T_jup = 3.699 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO321985  

393908 (2005 UH3)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

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