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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469718886373091 1.1984e-08  
a 2.380160750419041 7.894e-09 au
q 2.030344029669559 3.1414e-08 au
i 7.326663979798452 3.9235e-07 deg
node 34.51650999470198 7.9024e-06 deg
peri 305.0799951426205 1.1071e-05 deg
M 49.7903882857364 1.1072e-05 deg
tp 2459210.997027518983
(2020-Dec-27.49702752)
4.0844e-05 TDB
period 1341.24421183309
3.67
6.6725e-06
1.827e-08
d
yr
n .2684074956849095 1.3353e-09 deg/d
Q 2.729977471168522 9.0542e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2103  
   data-arc span      9417 days (25.78 yr)  
   first obs. used      1995-10-20  
   last obs. used      2021-08-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 16:43:40  

Additional Information
 Earth MOID = 1.03205 au 
 Jupiter MOID = 2.67583 au 
 T_jup = 3.513 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.94   n/a MPO636692  
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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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