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18963 (2000 QB141)
Classification: Main-belt Asteroid          SPK-ID: 2018963
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1568341061227113 1.9299e-08  
a 2.788200917988368 1.0798e-08 au
q 2.350915919325139 5.7168e-08 au
i 8.343213307271764 5.2637e-07 deg
node 167.6349853059197 2.3581e-06 deg
peri 30.76598198120176 6.8137e-06 deg
M 287.6689408303042 8.8706e-06 deg
tp 2459542.170001479384
(2021-Nov-23.67000148)
4.2884e-05 TDB
period 1700.530891494417
4.66
9.8788e-06
2.705e-08
d
yr
n .2116985947156972 1.2298e-09 deg/d
Q 3.225485916651597 1.2492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2301  
   data-arc span      13533 days (37.05 yr)  
   first obs. used      1984-02-26  
   last obs. used      2021-03-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46809  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:43:13  

Additional Information
 Earth MOID = 1.35348 au 
 Jupiter MOID = 1.73794 au 
 T_jup = 3.297 
[ 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 13.38   n/a E2021B10  
diameter diameter 15.511 km 2.551 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.039   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

18963 (2000 QB141)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 QB141 = 1984 DX1 = 1995 SL54 = 1996 VR9 = 1999 NT46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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