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3796 Lene (1986 XJ)
Classification: Main-belt Asteroid          SPK-ID: 2003796
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1513050766912915 9.1767e-09  
a 2.698483775960778 1.0369e-08 au
q 2.290189481288827 2.4859e-08 au
i 6.518277127008162 2.7088e-07 deg
node 269.4405477563777 3.3339e-06 deg
peri 358.1409890766915 1.029e-05 deg
M 44.73617932649282 7.4188e-06 deg
tp 2458999.296962110457
(2020-May-29.79696211)
3.3243e-05 TDB
period 1619.116668672253
4.43
9.3318e-06
2.555e-08
d
yr
n .2223434586064856 1.2815e-09 deg/d
Q 3.106778070632729 1.1937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2697  
   data-arc span      32738 days (89.63 yr)  
   first obs. used      1931-05-06  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4361  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:33:52  

Additional Information
 Earth MOID = 1.27242 au 
 Jupiter MOID = 1.98802 au 
 T_jup = 3.343 
[ 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 12.07   n/a E2021B10  
diameter diameter 19.230 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.08476 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.097   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3796 Lene (1986 XJ)          Discovered 1986-Dec-06 by Jensen, P. at Brorfelde
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1986 XJ = 1931 JM = 1949 MB = 1972 TM6 = 1988 AW3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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