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7840 Hendrika (1994 TL3)
Classification: Main-belt Asteroid          SPK-ID: 2007840
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136181682029076 4.9408e-08  
a 2.275738149808847 7.1761e-09 au
q 2.017172949918092 1.1192e-07 au
i 9.276790256719483 5.0514e-06 deg
node 221.8034798992677 2.0408e-05 deg
peri 168.88102768 2.4778e-05 deg
M 230.6075954787258 1.5235e-05 deg
tp 2459651.200608631464
(2022-Mar-12.70060863)
5.3831e-05 TDB
period 1253.954741065579
3.43
5.9311e-06
1.624e-08
d
yr
n .2870917013273391 1.3579e-09 deg/d
Q 2.534303349699603 7.9914e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1300  
   data-arc span      14503 days (39.71 yr)  
   first obs. used      1980-09-13  
   last obs. used      2020-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48854  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 20:05:13  

Additional Information
 Earth MOID = 1.02284 au 
 Jupiter MOID = 2.88052 au 
 T_jup = 3.583 
[ 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 15.12   n/a E2021B10  
diameter diameter 2.519 km 0.305 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.305   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7840 Hendrika (1994 TL3)          Discovered 1994-Oct-05 by Aikman, G. C. L. at Dominion
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1994 TL3 = 1980 RN5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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