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43021 (1999 VT5)
Classification: Main-belt Asteroid          SPK-ID: 2043021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1650035488134655 4.7462e-08  
a 2.735128367766826 1.2855e-08 au
q 2.283822480624919 1.2919e-07 au
i 4.953950131497892 4.8871e-06 deg
node 1.232386902615546 4.8917e-05 deg
peri 4.795210318550444 5.0616e-05 deg
M 281.2363054691309 1.5327e-05 deg
tp 2459561.983581165559
(2021-Dec-13.48358117)
7.1733e-05 TDB
period 1652.209053862995
4.52
1.1648e-05
3.189e-08
d
yr
n .2178901024409058 1.5361e-09 deg/d
Q 3.186434254908734 1.4976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      951  
   data-arc span      9386 days (25.70 yr)  
   first obs. used      1994-10-12  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54464  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:15:03  

Additional Information
 Earth MOID = 1.28067 au 
 Jupiter MOID = 2.27526 au 
 T_jup = 3.327 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.83   n/a E2021B10  
diameter diameter 4.021 km 1.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.158   0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43021 (1999 VT5)          Discovered 1999-Nov-04 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 VT5 = 1997 GP17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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