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18522 (1996 VA6)
Classification: Main-belt Asteroid          SPK-ID: 2018522
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 .1385065141391767 4.0028e-08  
a 2.56125403290878 1.0584e-08 au
q 2.206503664985677 1.0645e-07 au
i 14.39155142726213 3.5994e-06 deg
node 84.62747011465348 1.6702e-05 deg
peri 328.7480254914047 2.2812e-05 deg
M 326.7662063861551 1.7937e-05 deg
tp 2459338.714888418991
(2021-May-04.21488842)
7.5056e-05 TDB
period 1497.191696168813
4.10
9.2807e-06
2.541e-08
d
yr
n .2404501714250818 1.4905e-09 deg/d
Q 2.916004400831884 1.205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1721  
   data-arc span      10280 days (28.15 yr)  
   first obs. used      1992-12-18  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4931  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:30:53  

Additional Information
 Earth MOID = 1.23014 au 
 Jupiter MOID = 2.42288 au 
 T_jup = 3.378 
[ 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 14.02   n/a E2021B10  
diameter diameter 3.650 km 0.492 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.365   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18522 (1996 VA6)          Discovered 1996-Nov-15 by Kobayashi, T. at Oizumi
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 VA6 = 1992 YN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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