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JPL Small-Body Database Browser
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56283 (1999 LU1)
Classification: Main-belt Asteroid          SPK-ID: 2056283
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2171757258379891 4.129e-08  
a 2.371206075993733 1.1313e-08 au
q 1.856237675328344 9.6894e-08 au
i 24.37856355191998 5.0293e-06 deg
node 87.38275825821685 1.2949e-05 deg
peri 43.86391217655114 1.9632e-05 deg
M 175.7943838915993 1.6566e-05 deg
tp 2457949.239300494195
(2017-Jul-14.73930049)
5.8667e-05 TDB
period 1333.682263516802
3.65
9.5442e-06
2.613e-08
d
yr
n .2699293601241362 1.9317e-09 deg/d
Q 2.886174476659122 1.3769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1202  
   data-arc span      7671 days (21.00 yr)  
   first obs. used      1998-11-23  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4567  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 04:42:21  

Additional Information
 Earth MOID = .921805 au 
 Jupiter MOID = 2.40262 au 
 T_jup = 3.395 
[ 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 13.5   n/a MPO502529  
diameter diameter 3.815 km 0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.531   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56283 (1999 LU1)          Discovered 1999-Jun-04 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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