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152826 (1999 UU56)
Classification: Outer Main-belt Asteroid          SPK-ID: 2152826
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08496614824797123 4.8792e-08  
a 3.236686334031327 3.4932e-08 au
q 2.961677563141838 1.568e-07 au
i 9.925890747807026 6.1702e-06 deg
node 204.0808059107153 2.8101e-05 deg
peri 254.9646252167597 5.1747e-05 deg
M 176.1834183293374 4.8354e-05 deg
tp 2458159.593119515409
(2018-Feb-10.09311952)
0.00027657 TDB
period 2126.911150480581
5.82
3.4432e-05
9.427e-08
d
yr
n .1692595386124413 2.7401e-09 deg/d
Q 3.511695104920815 3.79e-08 au
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:50  

Additional Information
 Earth MOID = 1.99836 au 
 Jupiter MOID = 1.73272 au 
 T_jup = 3.156 
[ 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 14.97   n/a E2021B55  

152826 (1999 UU56)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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