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233171 (2005 VE21)
Classification: Main-belt Asteroid          SPK-ID: 2233171
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09192585715130681 4.963e-08  
a 2.273719206911569 1.5085e-08 au
q 2.064705619894833 1.1263e-07 au
i 6.403410866204421 6.5872e-06 deg
node 199.4000393145674 4.005e-05 deg
peri 216.9334950993544 5.1539e-05 deg
M 79.09783792239017 3.3118e-05 deg
tp 2458725.352364944294
(2019-Aug-29.85236494)
0.00011438 TDB
period 1252.286424279306
3.43
1.2462e-05
3.412e-08
d
yr
n .2874741696630473 2.8608e-09 deg/d
Q 2.482732793928305 1.6472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      7780 days (21.30 yr)  
   first obs. used      1998-10-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:17:01  

Additional Information
 Earth MOID = 1.07947 au 
 Jupiter MOID = 2.79075 au 
 T_jup = 3.597 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456832.5 (2014-Jun-24.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09152961712300545 4.9713e-08  
q 2.065475301407083 1.128e-07 au
tp 2456218.800174340936
(2012-Oct-18.30017434)
0.00011028 TDB
node 199.4312164084448 4.004e-05 deg
peri 216.4221966258315 5.1627e-05 deg
i 6.403239925821774 6.5894e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      7780 days (21.30 yr)  
   first obs. used      1998-10-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:17:01  

Additional Information
 Jupiter MOID = 2.79075 au 
 T_jup = 3.597 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.471417691782641E-15 -5.566685888911521E-15 -2.067361254262902E-12 8.502308071053722E-15 -6.504142989450384E-13 -2.169231705437158E-15
q -5.566685888911521E-15 1.272463947056243E-14 4.824446851061897E-12 -2.063605621938739E-14 1.537515295347381E-12 5.391969811993394E-15
tp -2.067361254262902E-12 4.824446851061897E-12 1.2162367360814E-8 -1.631213693071885E-11 3.600332632664658E-9 -4.910833772355092E-12
node 8.502308071053722E-15 -2.063605621938739E-14 -1.631213693071885E-11 1.603213417624608E-9 -1.597601840632919E-9 -3.509679176096165E-11
peri -6.504142989450384E-13 1.537515295347381E-12 3.600332632664658E-9 -1.597601840632919E-9 2.66533155467892E-9 3.355344499555193E-11
i -2.169231705437158E-15 5.391969811993394E-15 -4.910833772355092E-12 -3.509679176096165E-11 3.355344499555193E-11 4.342082944908851E-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 17.3   n/a MPO348622  

233171 (2005 VE21)          Discovered 2005-Nov-01 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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