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70689 (1999 UU16)
Classification: Main-belt Asteroid          SPK-ID: 2070689
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631983652876618 3.9268e-08  
a 2.601614377487611 1.1209e-08 au
q 2.177035163972755 1.0645e-07 au
i 6.397610850805959 4.8764e-06 deg
node 29.98730414923285 3.2737e-05 deg
peri 78.95338837777186 3.5754e-05 deg
M 269.648644197918 1.5374e-05 deg
tp 2459385.175906610948
(2021-Jun-19.67590661)		 6.6244e-05 TDB
period 1532.719959214493
4.20		 9.9053e-06
2.712e-08		 d
yr
n .2348765655694189 1.5179e-09 deg/d
Q 3.026193591002467 1.3038e-08 au
   Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      9132 days (25.00 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57506  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:59  

Additional Information
 Earth MOID = 1.20449 au 
 Jupiter MOID = 2.12576 au 
 T_jup = 3.387 
[ 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 15.4   n/a MPO302440  
diameter diameter 5.306 km 0.247 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.027   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70689 (1999 UU16)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 UU16 = 1995 WR41 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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