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30433 (2000 LJ21)
Classification: Main-belt Asteroid          SPK-ID: 2030433
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0418662439669658 2.4706e-08  
a 3.099371749040123 1.8709e-08 au
q 2.969612695250488 7.6077e-08 au
i 15.26763273271896 1.2161e-06 deg
node 269.1169160563624 4.0306e-06 deg
peri 223.9022634272548 1.97e-05 deg
M 84.91279635843185 2.2744e-05 deg
tp 2458730.411556672676
(2019-Sep-03.91155667)
0.00012397 TDB
period 1993.007495401273
5.46
1.8046e-05
4.941e-08
d
yr
n .1806315334140364 1.6355e-09 deg/d
Q 3.229130802829758 1.9492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1659  
   data-arc span      10664 days (29.20 yr)  
   first obs. used      1991-12-07  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44387  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:35:00  

Additional Information
 Earth MOID = 2.00157 au 
 Jupiter MOID = 1.98328 au 
 T_jup = 3.167 
[ 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 12.78   n/a E2021B10  
diameter diameter 13.559 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.100   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30433 (2000 LJ21)          Discovered 2000-Jun-08 by LINEAR at Socorro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 LJ21 = 1999 LW16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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