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43814 (1991 UE1)
Classification: Main-belt Asteroid          SPK-ID: 2043814
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2310996945794689 2.6449e-08  
a 2.421378200786574 8.6831e-09 au
q 1.861798438123413 6.4324e-08 au
i 1.534324099153787 4.2556e-06 deg
node 353.7831081316729 0.00012665 deg
peri 59.7350154905948 0.00012712 deg
M 255.5290421663293 1.2488e-05 deg
tp 2459599.879202066224
(2022-Jan-20.37920207)
4.9271e-05 TDB
period 1376.234273382932
3.77
7.4028e-06
2.027e-08
d
yr
n .2615833706241606 1.4071e-09 deg/d
Q 2.980957963449736 1.069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1223  
   data-arc span      10480 days (28.69 yr)  
   first obs. used      1991-10-18  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52353  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:22:37  

Additional Information
 Earth MOID = .872829 au 
 Jupiter MOID = 2.39423 au 
 T_jup = 3.476 
[ 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 15.31   n/a E2021B10  

43814 (1991 UE1)          Discovered 1991-Oct-18 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1991 UE1 = 1996 BU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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