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21287 (1996 UU3)
Classification: Main-belt Asteroid          SPK-ID: 2021287
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0861637292534138 3.2153e-08  
a 2.208694741736504 6.0753e-09 au
q 2.018385366006081 7.0094e-08 au
i 1.532235534594147 3.8817e-06 deg
node 5.004924434134113 0.00012048 deg
peri 149.7642658053024 0.00012231 deg
M 70.89382138871801 2.1411e-05 deg
tp 2459160.393546005085
(2020-Nov-06.89354601)
7.1097e-05 TDB
period 1198.952486594211
3.28
4.9468e-06
1.354e-08
d
yr
n .3002621071520769 1.2389e-09 deg/d
Q 2.399004117466927 6.5988e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1059  
   data-arc span      8986 days (24.60 yr)  
   first obs. used      1996-10-31  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55832  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:32:24  

Additional Information
 Earth MOID = 1.02901 au 
 Jupiter MOID = 2.57899 au 
 T_jup = 3.654 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.20   n/a MPCxxxxx  

21287 (1996 UU3)          Discovered 1996-Oct-31 by Vagnozzi, A. at Stroncone
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 UU3 = 1998 HJ69 = 1999 RZ216 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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