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30434 (2000 LQ21)
Classification: Main-belt Asteroid          SPK-ID: 2030434
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08586984200583966 1.8417e-08  
a 3.148189985902607 2.0625e-08 au
q 2.877855409208784 6.5049e-08 au
i 13.19801806246 1.0396e-06 deg
node 253.2721791730766 7.0126e-06 deg
peri 85.84024233043101 1.6361e-05 deg
M 195.0005191089746 1.7023e-05 deg
tp 2460135.625507992332
(2023-Jul-10.12550799)
9.8549e-05 TDB
period 2040.280254575943
5.59
2.005e-05
5.489e-08
d
yr
n .1764463480899703 1.734e-09 deg/d
Q 3.41852456259643 2.2396e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1834  
   data-arc span      9785 days (26.79 yr)  
   first obs. used      1994-06-08  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46987  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:28:58  

Additional Information
 Earth MOID = 1.90658 au 
 Jupiter MOID = 1.9202 au 
 T_jup = 3.162 
[ 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 12.99   n/a MPCxxxxx  
diameter diameter 11.266 km 0.201 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30434 (2000 LQ21)          Discovered 2000-Jun-08 by LINEAR at Socorro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 LQ21 = 1994 LM9 = 1996 VH6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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