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3245 Jensch (1973 UL5)
Classification: Main-belt Asteroid          SPK-ID: 2003245
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636833001364471 3.1799e-08  
a 3.120999963901838 1.3669e-08 au
q 2.610144390084653 9.7349e-08 au
i .3295673351632665 4.0311e-06 deg
node 348.2877467991528 0.00060647 deg
peri 82.76356892607809 0.00060661 deg
M 120.4734887687908 1.2633e-05 deg
tp 2458326.549408610477
(2018-Jul-27.04940861)
6.9139e-05 TDB
period 2013.905427490872
5.51
1.3231e-05
3.622e-08
d
yr
n .1787571526874152 1.1744e-09 deg/d
Q 3.631855537719022 1.5907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2219  
   data-arc span      17029 days (46.62 yr)  
   first obs. used      1973-10-27  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50774  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:55:20  

Additional Information
 Earth MOID = 1.62472 au 
 Jupiter MOID = 1.65646 au 
 T_jup = 3.195 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456624.5 (2013-Nov-28.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1648626627767945 3.1708e-08  
q 2.607077654215583 9.7325e-08 au
tp 2456315.052924787326
(2013-Jan-22.55292479)
6.5767e-05 TDB
node 348.3238280743589 0.00060585 deg
peri 83.30528436571761 0.00060599 deg
i .3299699084478907 4.0305e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2219  
   data-arc span      17029 days (46.62 yr)  
   first obs. used      1973-10-27  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50774  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:55:20  

Additional Information
 Jupiter MOID = 1.65646 au 
 T_jup = 3.195 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.005382286268958E-15 -3.065920271462454E-15 -4.911068084860103E-13 -2.784780687587898E-15 -1.047052705570497E-13 -7.100913925969829E-17
q -3.065920271462454E-15 9.472151061754953E-15 1.621875514706566E-12 9.485960721530506E-15 3.456558074108454E-13 2.076891762851739E-16
tp -4.911068084860103E-13 1.621875514706566E-12 4.325277008433083E-9 -8.394448273262061E-12 8.64437905401455E-10 -2.388168260751956E-14
node -2.784780687587898E-15 9.485960721530506E-15 -8.394448273262061E-12 3.670519536859632E-7 -3.670468047908794E-7 6.016353339708703E-10
peri -1.047052705570497E-13 3.456558074108454E-13 8.64437905401455E-10 -3.670468047908794E-7 3.672181995817135E-7 -6.016301316623587E-10
i -7.100913925969829E-17 2.076891762851739E-16 -2.388168260751956E-14 6.016353339708703E-10 -6.016301316623587E-10 1.624527431981171E-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 13.2   n/a MPO337276  
diameter diameter 12.696 km 0.919 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3245 Jensch (1973 UL5)          Discovered 1973-Oct-27 by Borngen, F. and Kirsch, K. at Tautenburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1973 UL5 = 1981 EJ39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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