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221309 (2005 VK5)
Classification: Main-belt Asteroid          SPK-ID: 2221309
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .206066465180307 5.9886e-08  
a 2.545747975923732 1.9643e-08 au
q 2.021154689285208 1.6067e-07 au
i 7.104605098676624 3.7815e-06 deg
node 288.819732373921 5.2875e-05 deg
peri 48.14998118393626 5.4413e-05 deg
M 308.9157659188629 1.4439e-05 deg
tp 2459411.026089271810
(2021-Jul-15.52608927)
5.9705e-05 TDB
period 1483.616099978621
4.06
1.7172e-05
4.701e-08
d
yr
n .2426503729672303 2.8085e-09 deg/d
Q 3.070341262562257 2.3691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      6799 days (18.61 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52181  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:14:59  

Additional Information
 Earth MOID = 1.01748 au 
 Jupiter MOID = 2.33273 au 
 T_jup = 3.402 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457539.5 (2016-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2050917646156796 5.9955e-08  
q 2.0238738814661 1.6054e-07 au
tp 2457927.987149303846
(2017-Jun-23.48714930)
6.0474e-05 TDB
node 288.8306203304296 5.2886e-05 deg
peri 48.24735937682657 5.4426e-05 deg
i 7.102776908862258 3.7807e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      6799 days (18.61 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52181  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:14:59  

Additional Information
 Jupiter MOID = 2.33273 au 
 T_jup = 3.402 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.59461090616963E-15 -9.589809595817123E-15 2.289348683771785E-12 1.192674950215136E-15 5.496511350717571E-13 -6.109265025274595E-15
q -9.589809595817123E-15 2.577316927852826E-14 -5.988578007095552E-12 -4.120643139996535E-15 -1.452661670401954E-12 1.71675579294651E-14
tp 2.289348683771785E-12 -5.988578007095552E-12 3.657094669660184E-9 1.779733784566841E-11 8.439270407859237E-10 -5.109723330640423E-12
node 1.192674950215136E-15 -4.120643139996535E-15 1.779733784566841E-11 2.796892751011625E-9 -2.771849106989276E-9 -5.689977520154282E-12
peri 5.496511350717571E-13 -1.452661670401954E-12 8.439270407859237E-10 -2.771849106989276E-9 2.962243143973148E-9 4.37515645624678E-12
i -6.109265025274595E-15 1.71675579294651E-14 -5.109723330640423E-12 -5.689977520154282E-12 4.37515645624678E-12 1.429393025360992E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.96   n/a E2021B55  

221309 (2005 VK5)          Discovered 2005-Nov-06 by Lowe, A. at Mayhill
Reference: 20091004/Numbers.arcLast Updated: 2009-10-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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