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154254 (2002 LD40)
Classification: Main-belt Asteroid          SPK-ID: 2154254
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .149583324152947 4.1657e-08  
a 3.046915588107966 2.3469e-08 au
q 2.591147826025345 1.2153e-07 au
i 11.52366602184977 6.5838e-06 deg
node 201.6627029268664 1.8345e-05 deg
peri 118.0776565506888 2.8177e-05 deg
M 88.95249571340513 2.118e-05 deg
tp 2458520.496175630917
(2019-Feb-05.99617563)
0.00011421 TDB
period 1942.625391080836
5.32
2.2445e-05
6.145e-08
d
yr
n .1853162229078574 2.1411e-09 deg/d
Q 3.502683350190587 2.698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      681  
   data-arc span      7728 days (21.16 yr)  
   first obs. used      1998-11-10  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54659  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:02:55  

Additional Information
 Earth MOID = 1.60377 au 
 Jupiter MOID = 1.98385 au 
 T_jup = 3.190 
[ 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 14.6   n/a MPO454001  
diameter diameter 5.131 km 1.364 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154254 (2002 LD40)          Discovered 2002-Jun-10 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2002 LD40 = 2001 FY104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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