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7841 (1994 UE1)
Classification: Main-belt Asteroid          SPK-ID: 2007841
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1113507593303449 6.1071e-08  
a 2.711344190036892 2.0569e-08 AU
q 2.409433955670365 1.6411e-07 AU
i 6.615605131750979 6.9153e-06 deg
node 242.1725545737103 4.8565e-05 deg
peri 148.7782575984637 5.6498e-05 deg
M 191.8006546864595 3.007e-05 deg
tp 2457762.398652837815
(2017-Jan-08.89865284)
0.0001399 JED
period 1630.705009643892
4.46
1.8556e-05
5.08e-08
d
yr
n .2207634108382458 2.5121e-09 deg/d
Q 3.013254424403419 2.2859e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      972  
   data-arc span      13753 days (37.65 yr)  
   first obs. used      1976-10-24  
   last obs. used      2014-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53962  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:11:04  

Additional Information
 Earth MOID = 1.41812 AU 
 T_jup = 3.344 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO299019  

7841 (1994 UE1)          Discovered 1994-Oct-31 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1994 UE1 = 1976 UC2 = 1987 DG4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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