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21233 (1995 UU3)
Classification: Main-belt Asteroid          SPK-ID: 2021233
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1988711503976037 3.7583e-08  
a 2.691398098986826 1.1827e-08 au
q 2.156156662863392 1.0208e-07 au
i 4.024459030292912 5.0385e-06 deg
node 28.79608784537621 5.1614e-05 deg
peri 49.38644855279693 5.2948e-05 deg
M 270.1814652461412 1.1617e-05 deg
tp 2459798.872974993977
(2022-Aug-07.37297499)
5.3061e-05 TDB
period 1612.74364355636
4.42
1.063e-05
2.91e-08
d
yr
n .2232220858152892 1.4714e-09 deg/d
Q 3.22663953511026 1.4179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1280  
   data-arc span      9418 days (25.79 yr)  
   first obs. used      1995-08-29  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51929  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:03:48  

Additional Information
 Earth MOID = 1.17398 au 
 Jupiter MOID = 2.05265 au 
 T_jup = 3.340 
[ 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 14.47   n/a MPCxxxxx  
diameter diameter 6.997 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21233 (1995 UU3)          Discovered 1995-Oct-20 by Kobayashi, T. at Oizumi
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 UU3 = 1997 EG56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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