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226538 (2003 UZ195)
Classification: Main-belt Asteroid          SPK-ID: 2226538
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1313141913753912 5.282e-08  
a 3.184513642947014 2.3158e-08 au
q 2.766341808999526 1.7017e-07 au
i 6.010631821775225 5.3707e-06 deg
node 71.40419565373436 4.7176e-05 deg
peri 317.1906192203247 5.0778e-05 deg
M 17.53970640166149 1.6462e-05 deg
tp 2459099.369322610660
(2020-Sep-06.86932261)		 9.5126e-05 TDB
period 2075.692889403996
5.68		 2.2642e-05
6.199e-08		 d
yr
n .1734360616822119 1.8919e-09 deg/d
Q 3.602685476894502 2.6199e-08 au
   Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      9391 days (25.71 yr)  
   first obs. used      1995-04-26  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58462  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:09:26  

Additional Information
 Earth MOID = 1.77435 au 
 Jupiter MOID = 1.84276 au 
 T_jup = 3.177 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457577.5 (2016-Jul-08.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1331445671111184 5.3772e-08  
q 2.76110881452548 1.7286e-07 au
tp 2457000.208750753539
(2014-Dec-08.70875075)		 9.7465e-05 TDB
node 71.63071303600665 4.7503e-05 deg
peri 313.8284828278232 5.0838e-05 deg
i 5.994131861722937 5.3577e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      9391 days (25.71 yr)  
   first obs. used      1995-04-26  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58462  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:09:26  

Additional Information
 Jupiter MOID = 1.84276 au 
 T_jup = 3.177 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.89146985190522E-15 -9.236467519248964E-15 -6.053605589921213E-14 -1.237142732920317E-14 -2.521184777290424E-14 -1.870632679658322E-15
q -9.236467519248964E-15 2.988059762433962E-14 -3.883725889954352E-13 4.008924170434054E-14 -6.394515705997522E-15 7.050375835982839E-15
tp -6.053605589921213E-14 -3.883725889954352E-13 9.499518204849802E-9 1.143030849863135E-11 1.794340175840862E-9 3.122524128660469E-14
node -1.237142732920317E-14 4.008924170434054E-14 1.143030849863135E-11 2.256499683605078E-9 -2.242176011617263E-9 -9.898737957988483E-11
peri -2.521184777290424E-14 -6.394515705997522E-15 1.794340175840862E-9 -2.242176011617263E-9 2.58453358210684E-9 9.839729936332117E-11
i -1.870632679658322E-15 7.050375835982839E-15 3.122524128660469E-14 -9.898737957988483E-11 9.839729936332117E-11 2.870521947582997E-11

[ 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 15.3   n/a MPO450050  
diameter diameter 4.404 km 0.587 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226538 (2003 UZ195)          Discovered 2003-Oct-20 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2003 UZ195 = 1995 HR4 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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