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JPL Small-Body Database Browser
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20674 (1999 VT1)
Classification: Main-belt Asteroid          SPK-ID: 2020674
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03710175866489661 4.6151e-08  
a 3.003381772021382 1.7673e-08 au
q 2.891951026337295 1.4545e-07 au
i 9.951820830458654 5.3843e-06 deg
node 204.4639295703665 2.1768e-05 deg
peri 203.8201272888663 6.8825e-05 deg
M 272.8515150251326 6.6228e-05 deg
tp 2459060.726454156827
(2020-Jul-30.22645416)
0.00035031 TDB
period 1901.140605533628
5.21
1.678e-05
4.594e-08
d
yr
n .1893600078564164 1.6714e-09 deg/d
Q 3.114812517705468 1.8328e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1757  
   data-arc span      9101 days (24.92 yr)  
   first obs. used      1995-01-06  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50329  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:45:59  

Additional Information
 Earth MOID = 1.90185 au 
 Jupiter MOID = 2.05621 au 
 T_jup = 3.228 
[ 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 12.8   n/a MPO502322  
rotation period rot_per 6.311 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Pravec, P.; Fatka, P.; Vokrouhlicky, D.; Scheeres, D.J.; et al. (2018) Icarus 304, 110-126.]

20674 (1999 VT1)          Discovered 1999-Nov-04 by Urata, T. at Oohira
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 VT1 = 1995 AZ4 = 1998 QG66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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