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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2059667910989988 6.324e-08  
a 2.545159438302704 2.0226e-08 au
q 2.020941115960166 1.6982e-07 au
i 7.104753545974474 3.793e-06 deg
node 288.8191998053227 5.5893e-05 deg
peri 48.208454474193 5.7543e-05 deg
M 260.3085335114595 1.4967e-05 deg
tp 2459411.201605674755
(2021-Jul-15.70160567)
6.1683e-05 TDB
period 1483.101646016085
4.06
1.7679e-05
4.84e-08
d
yr
n .2427345428191208 2.8934e-09 deg/d
Q 3.069377760645243 2.4392e-08 au
  Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      6799 days (18.61 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52301  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:03:17  

Additional Information
 Earth MOID = 1.01917 au 
 Jupiter MOID = 2.33378 au 
 T_jup = 3.403 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457506.5 (2016-Apr-28.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2050629206950391 6.3272e-08  
q 2.02405642617075 1.6974e-07 au
tp 2457927.963754456411
(2017-Jun-23.46375446)
6.3683e-05 TDB
node 288.8338121019839 5.5901e-05 deg
peri 48.2296765623734 5.756e-05 deg
i 7.102649086382576 3.7921e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      6799 days (18.61 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52301  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:03:17  

Additional Information
 Jupiter MOID = 2.33378 au 
 T_jup = 3.403 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.003362234469031E-15 -1.070453585243234E-14 2.692573637957969E-12 4.249197172592961E-15 6.573367646719063E-13 -7.067383441190585E-15
q -1.070453585243234E-14 2.881332383272726E-14 -7.088701613993425E-12 -1.270640061598767E-14 -1.746283989185966E-12 1.976488617447014E-14
tp 2.692573637957969E-12 -7.088701613993425E-12 4.055565930780969E-9 2.241626662454116E-11 9.487048648992423E-10 -6.075151187332668E-12
node 4.249197172592961E-15 -1.270640061598767E-14 2.241626662454116E-11 3.12489523419707E-9 -3.096268861888928E-9 -1.093963249406005E-11
peri 6.573367646719063E-13 -1.746283989185966E-12 9.487048648992423E-10 -3.096268861888928E-9 3.313145324694255E-9 9.323682655092282E-12
i -7.067383441190585E-15 1.976488617447014E-14 -6.075151187332668E-12 -1.093963249406005E-11 9.323682655092282E-12 1.438014119007239E-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 15.9   n/a MPO427292  

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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