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30516 (2001 LB7)
Classification: Main-belt Asteroid          SPK-ID: 2030516
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1769705711250429 3.7986e-08  
a 2.750524410995989 1.1111e-08 au
q 2.263762535088656 1.0126e-07 au
i 9.101655208520334 4.0905e-06 deg
node 198.9255117643365 1.9996e-05 deg
peri 174.4909502594803 2.2546e-05 deg
M 50.37602510139474 1.0067e-05 deg
tp 2458967.345888500472
(2020-Apr-27.84588850)
4.6036e-05 TDB
period 1666.179099499973
4.56
1.0096e-05
2.764e-08
d
yr
n .2160632071954554 1.3093e-09 deg/d
Q 3.237286286903321 1.3078e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1677  
   data-arc span      8496 days (23.26 yr)  
   first obs. used      1997-11-28  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:36:56  

Additional Information
 Earth MOID = 1.26335 au 
 Jupiter MOID = 2.23042 au 
 T_jup = 3.305 
[ 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 14.18   n/a E2021B10  
diameter diameter 4.132 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.312   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30516 (2001 LB7)          Discovered 2001-Jun-15 by LINEAR at Socorro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 LB7 = 1999 CL116 = 2000 KT57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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