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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03763088538755537 8.9804e-09  
a 3.004542468022665 1.3731e-08 au
q 2.891478874766462 2.4783e-08 au
i 9.950029092295331 6.4427e-07 deg
node 204.4595517320182 2.2795e-06 deg
peri 203.9435733852216 3.6007e-05 deg
M 26.35405775758884 3.3517e-05 deg
tp 2459061.244954358088
(2020-Jul-30.74495436)		 0.00017728 TDB
period 1902.242792825808
5.21		 1.3041e-05
3.57e-08		 d
yr
n .1892502898987017 1.2974e-09 deg/d
Q 3.117606061278869 1.4248e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2282  
   data-arc span      9564 days (26.18 yr)  
   first obs. used      1995-01-06  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45802  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:26:23  

Additional Information
 Earth MOID = 1.90102 au 
 Jupiter MOID = 2.05403 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 12.82   n/a E2021B10  
rotation period rot_per 6.311 h n/a LCDB (Rev. 2020-October); 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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