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437994 (2003 UL12)
Classification: Apollo [NEO]          SPK-ID: 2437994
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 88 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7009439147300712 5.9404e-08  
a 3.287860930473331 1.4744e-08 au
q .9832548187792999 1.9662e-07 au
i 19.7389036090927 1.5555e-05 deg
node 193.0806390975445 1.5966e-05 deg
peri 274.8338257958043 2.7816e-05 deg
M 205.5031805305595 7.0111e-06 deg
tp 2459535.013605656921
(2021-Nov-16.51360566)
4.7949e-05 TDB
period 2177.552257656905
5.96
1.4648e-05
4.01e-08
d
yr
n .1653232425234047 1.1121e-09 deg/d
Q 5.592467042167363 2.5079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      6592 days (18.05 yr)  
   first obs. used      1998-04-23  
   last obs. used      2016-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54928  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:14:21  

Additional Information
 Earth MOID = .263513 au 
 Jupiter MOID = 1.56184 au 
 T_jup = 2.650 
[ 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 17.3   n/a MPCxxxxx  
diameter diameter 1.078 km 0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.200   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

437994 (2003 UL12)          Discovered 2003-Oct-19 by LINEAR at Socorro
Reference: Last Updated: 2015-07-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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