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213710 (2002 UK38)
Classification: Main-belt Asteroid          SPK-ID: 2213710
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2341496441838184 7.1655e-08  
a 2.78188270437925 1.8708e-08 au
q 2.13050585898773 2.0808e-07 au
i 8.483732434711962 6.142e-06 deg
node 28.04748535235012 3.643e-05 deg
peri 328.7920418067761 3.8438e-05 deg
M 356.8533633295577 1.1883e-05 deg
tp 2459215.313263468576
(2020-Dec-31.81326347)
5.6014e-05 TDB
period 1694.753925288008
4.64
1.7096e-05
4.681e-08
d
yr
n .2124202190231371 2.1428e-09 deg/d
Q 3.433259549770769 2.3089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      21879 days (59.90 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-09-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .633  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:47  

Additional Information
 Earth MOID = 1.13069 au 
 Jupiter MOID = 2.03361 au 
 T_jup = 3.277 
[ 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 16.47   n/a E2021B55  
diameter diameter 3.371 km 0.938 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213710 (2002 UK38)          Discovered 2002-Oct-31 by LONEOS at Anderson Mesa
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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