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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1114210521643325 6.6708e-08  
a 2.711215732344697 2.0385e-08 AU
q 2.40912922280236 1.7926e-07 AU
i 6.615667660057304 7.5539e-06 deg
node 242.1727123715365 5.059e-05 deg
peri 148.8239890300919 5.9511e-05 deg
M 147.588338010198 3.1716e-05 deg
tp 2456132.011281946141
(2012-Jul-23.51128195)
0.0001413 JED
period 1630.589122039986
4.46
1.839e-05
5.035e-08
d
yr
n .220779100715215 2.4899e-09 deg/d
Q 3.013302241887035 2.2656e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      943  
   data-arc span      13678 days (37.45 yr)  
   first obs. used      1976-10-24  
   last obs. used      2014-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56831  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:53:29  

Additional Information
 Earth MOID = 1.41676 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 13.4 mag n/a MPO259396  

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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