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43895 (1995 UC4)
Classification: Main-belt Asteroid          SPK-ID: 2043895
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1847785966116248 3.6222e-08  
a 2.411413554185188 9.1903e-09 au
q 1.965835941792598 8.8214e-08 au
i 2.917388326210819 4.1387e-06 deg
node 35.17873306565134 7.1586e-05 deg
peri 355.8251461058865 7.2466e-05 deg
M 261.9251053634047 1.4509e-05 deg
tp 2459573.115848523453
(2021-Dec-24.61584852)
5.6653e-05 TDB
period 1367.747637817903
3.74
7.819e-06
2.141e-08
d
yr
n .2632064498201891 1.5047e-09 deg/d
Q 2.856991166577776 1.0888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1115  
   data-arc span      9006 days (24.66 yr)  
   first obs. used      1995-10-20  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51452  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:23:40  

Additional Information
 Earth MOID = .97028 au 
 Jupiter MOID = 2.58377 au 
 T_jup = 3.494 
[ 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 15.56   n/a E2021B10  
diameter diameter 2.056 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.847 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.289   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43895 (1995 UC4)          Discovered 1995-Oct-20 by Kobayashi, T. at Oizumi
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1995 UC4 = 2000 AG21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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