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3817 Lencarter (1979 MK1)
Classification: Main-belt Asteroid          SPK-ID: 2003817
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104463679915789 1.354e-08  
a 2.268674647464882 5.5317e-09 au
q 2.01810777249781 3.1768e-08 au
i 3.272580764581429 3.7735e-07 deg
node 151.6379980429799 1.4405e-05 deg
peri 112.9632190042783 1.6531e-05 deg
M 67.66316179842616 1.0451e-05 deg
tp 2458965.911595948664
(2020-Apr-26.41159595)
3.6093e-05 TDB
period 1248.121181656714
3.42
4.5649e-06
1.25e-08
d
yr
n .2884335313676419 1.0549e-09 deg/d
Q 2.519241522431954 6.1426e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2694  
   data-arc span      25988 days (71.15 yr)  
   first obs. used      1949-11-19  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:35:35  

Additional Information
 Earth MOID = 1.00331 au 
 Jupiter MOID = 2.53636 au 
 T_jup = 3.604 
[ 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 14.15   n/a E2021B10  
diameter diameter 3.350 km 0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.410   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3817 Lencarter (1979 MK1)          Discovered 1979-Jun-25 by Helin, E. F. and Bus, S. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1979 MK1 = 1976 SK9 = 1986 PH4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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