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13626 (1995 UD4)
Classification: Main-belt Asteroid          SPK-ID: 2013626
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1646566931169209 4.4504e-08  
a 2.160777437111828 6.1063e-09 au
q 1.804990969755339 9.674e-08 au
i 5.487615977583224 4.8635e-06 deg
node 28.38398504843601 3.0287e-05 deg
peri 342.6784406591068 3.1291e-05 deg
M 287.3716340091868 8.3474e-06 deg
tp 2459234.554639334461
(2021-Jan-20.05463933)
2.7247e-05 TDB
period 1160.148228738396
3.18
4.9178e-06
1.346e-08
d
yr
n .3103051757373128 1.3154e-09 deg/d
Q 2.516563904468318 7.1118e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1868  
   data-arc span      8622 days (23.61 yr)  
   first obs. used      1995-10-20  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:11:44  

Additional Information
 Earth MOID = .80602 au 
 Jupiter MOID = 2.94635 au 
 T_jup = 3.674 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456678.5 (2014-Jan-21.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .164383249318249 4.4362e-08  
q 1.80523243483562 9.6357e-08 au
tp 2456914.744020366780
(2014-Sep-14.24402037)
2.5584e-05 TDB
node 28.44619878038125 3.0298e-05 deg
peri 342.5633623449509 3.1311e-05 deg
i 5.487289848859244 4.8619e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1868  
   data-arc span      8622 days (23.61 yr)  
   first obs. used      1995-10-20  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:11:44  

Additional Information
 Jupiter MOID = 2.94635 au 
 T_jup = 3.674 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.967962770769072E-15 -4.268564081874923E-15 1.358302104574599E-14 1.274851345226234E-14 -1.861605830780493E-14 -3.890487777446967E-15
q -4.268564081874923E-15 9.284582785237215E-15 -2.937745145519771E-14 -2.797872515087524E-14 3.878855345369639E-14 8.516620153387882E-15
tp 1.358302104574599E-14 -2.937745145519771E-14 6.545383315112754E-10 -1.320434439957653E-14 2.071887179484299E-10 1.613044301415459E-13
node 1.274851345226234E-14 -2.797872515087524E-14 -1.320434439957653E-14 9.179820385181137E-10 -9.133866572270914E-10 -5.277150263165884E-11
peri -1.861605830780493E-14 3.878855345369639E-14 2.071887179484299E-10 -9.133866572270914E-10 9.803846325682467E-10 5.259161172040465E-11
i -3.890487777446967E-15 8.516620153387882E-15 1.613044301415459E-13 -5.277150263165884E-11 5.259161172040465E-11 2.363790895031675E-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 14.7   n/a MPO435830  
diameter diameter 2.641 km 0.302 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.401   0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13626 (1995 UD4)          Discovered 1995-Oct-20 by Kobayashi, T. at Oizumi
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 UD4 = 1997 EA59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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