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JPL Small-Body Database Browser
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141 Lumen
Classification: Main-belt Asteroid          SPK-ID: 2000141
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 67 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .214850230884064 4.1897e-08  
a 2.664283192188837 7.454e-09 au
q 2.091861333206534 1.1005e-07 au
i 11.89775268421176 5.2164e-06 deg
node 318.4958591039678 2.1715e-05 deg
peri 57.94741700025693 2.4996e-05 deg
M 159.2050080707946 1.3242e-05 deg
tp 2457898.037364536623
(2017-May-24.53736454)
5.6998e-05 TDB
period 1588.433378015113
4.35
6.666e-06
1.825e-08
d
yr
n .2266384004407233 9.5111e-10 deg/d
Q 3.23670505117114 9.0554e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1776  
   data-arc span      51764 days (141.72 yr)  
   first obs. used      1877-08-19  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40856  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:03:24  

Additional Information
 Earth MOID = 1.11774 au 
 Jupiter MOID = 2.34612 au 
 T_jup = 3.321 
[ 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 8.4   n/a MPO265955  
diameter diameter 117.916 km 1.361 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 19.87 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Holliday, B. (1996) Minor Planet Bull. 23, 17.]
[Angeli, C.A.; Lazzaro, D.; Florczak, A.; Betzler, A.S.; Carvano, J.M. (1999) Planet. Space Sci. 47, 699-714.]
[Koff, R.A. (2006) Minor Planet Bull. 33, 31-33.]
geometric albedo albedo 0.067   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
Tholen spectral type spec_T CPF   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Ch   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)

141 Lumen          Discovered 1875-Jan-13 by Henry, Paul at Paris
In their cooperative program it will probably never be known which of the Henry brothers discovered which planet. With strict impartiality, these discoveries were announced as having been made alternatively by Prosper and by Paul.
Note: "planet" implies "minor planet"
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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