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JPL Small-Body Database Browser
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351569 (2005 UU221)
Classification: Main-belt Asteroid          SPK-ID: 2351569
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04335690911826869 6.1365e-08  
a 3.166547284158905 6.0465e-08 au
q 3.029255581340927 2.1787e-07 au
i 8.210238268752425 7.0966e-06 deg
node 237.3366007498323 4.3121e-05 deg
peri 31.64942036991042 9.269e-05 deg
M 338.2847802036798 7.7556e-05 deg
tp 2459124.647826856514
(2020-Oct-02.14782686)
0.00044253 TDB
period 2058.151751976219
5.63
5.895e-05
1.614e-07
d
yr
n .1749142159485234 5.01e-09 deg/d
Q 3.303838986976883 6.3087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      5337 days (14.61 yr)  
   first obs. used      2004-08-25  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48051  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:30:44  

Additional Information
 Earth MOID = 2.01716 au 
 Jupiter MOID = 1.73642 au 
 T_jup = 3.186 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456774.5 (2014-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04140330717364813 6.142e-08  
q 3.035001188582095 2.1779e-07 au
tp 2457066.018475533863
(2015-Feb-12.51847553)
0.00048279 TDB
node 237.3602003343235 4.3112e-05 deg
peri 31.60179851983221 9.6197e-05 deg
i 8.210817338455337 7.0975e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      5337 days (14.61 yr)  
   first obs. used      2004-08-25  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48051  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:30:44  

Additional Information
 Jupiter MOID = 1.73642 au 
 T_jup = 3.186 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.772372605161184E-15 -1.291787206218628E-14 1.272632284526143E-12 1.42876508574363E-14 2.117415714325197E-13 -4.248795574080942E-15
q -1.291787206218628E-14 4.743187635715264E-14 -1.422409551671076E-11 -4.459225776796096E-14 -2.55654846175276E-12 1.784915105458433E-14
tp 1.272632284526143E-12 -1.422409551671076E-11 2.33084688114017E-7 7.273813372501364E-11 4.155826640017095E-8 -2.791899768488354E-11
node 1.42876508574363E-14 -4.459225776796096E-14 7.273813372501364E-11 1.858603156980658E-9 -1.826588561407329E-9 2.070091143156855E-11
peri 2.117415714325197E-13 -2.55654846175276E-12 4.155826640017095E-8 -1.826588561407329E-9 9.253954043290254E-9 -2.547085310436318E-11
i -4.248795574080942E-15 1.784915105458433E-14 -2.791899768488354E-11 2.070091143156855E-11 -2.547085310436318E-11 5.03743227762891E-11

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 15.5   n/a MPO434219  

351569 (2005 UU221)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

[ show close-approach data ]
Alternate Designations
 2005 UU221 = 2011 UQ160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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