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115784 (2003 UJ218)
Classification: Main-belt Asteroid          SPK-ID: 2115784
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05089334485417889 3.9293e-08  
a 2.605909916031514 1.2955e-08 au
q 2.473286444015998 1.0468e-07 au
i 4.346595211121596 4.0706e-06 deg
node 172.9989208934829 5.4812e-05 deg
peri 268.5916389346102 6.8302e-05 deg
M 358.0530810543964 4.0294e-05 deg
tp 2459208.809653124059
(2020-Dec-25.30965312)
0.00017197 TDB
period 1536.517548106712
4.21
1.1458e-05
3.137e-08
d
yr
n .2342960550262443 1.7471e-09 deg/d
Q 2.73853338804703 1.3614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      8675 days (23.75 yr)  
   first obs. used      1997-04-30  
   last obs. used      2021-01-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5917  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:09  

Additional Information
 Earth MOID = 1.49331 au 
 Jupiter MOID = 2.36721 au 
 T_jup = 3.406 
[ show covariance matrix ]

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 15.87   n/a MPCxxxxx  
diameter diameter 3.325 km 0.202 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115784 (2003 UJ218)          Discovered 2003-Oct-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 UJ218 = 1997 HN13 = 2002 PB14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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