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43896 (1995 UL4)
Classification: Main-belt Asteroid          SPK-ID: 2043896
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .147192049786434 1.1969e-08  
a 2.380739114247854 8.0261e-09 au
q 2.030313244014973 3.148e-08 au
i 7.326010769036362 3.9231e-07 deg
node 34.52070467034263 7.9042e-06 deg
peri 305.0888125579046 1.1079e-05 deg
M 357.1718911737712 1.0976e-05 deg
tp 2459211.040464602689
(2020-Dec-27.54046460)
4.0931e-05 TDB
period 1341.733112168834
3.67
6.785e-06
1.858e-08
d
yr
n .2683096934367825 1.3568e-09 deg/d
Q 2.731164984480735 9.2075e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2069  
   data-arc span      9193 days (25.17 yr)  
   first obs. used      1995-10-20  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .469  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:23:40  

Additional Information
 Earth MOID = 1.03101 au 
 Jupiter MOID = 2.67534 au 
 T_jup = 3.513 
[ 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 13.93   n/a E2021B10  
rotation period rot_per 35.960 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]

43896 (1995 UL4)          Discovered 1995-Oct-20 by Kobayashi, T. at Oizumi
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

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