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187404 (2005 VK43)
Classification: Main-belt Asteroid          SPK-ID: 2187404
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1451147701286495 5.5873e-08  
a 2.660449634583865 2.4907e-08 au
q 2.274379097422378 1.529e-07 au
i 18.5093582646783 5.3001e-06 deg
node 66.76275829636249 1.5565e-05 deg
peri 204.8564006101409 3.4875e-05 deg
M 291.6071740937783 4.0156e-05 deg
tp 2459501.619608546986
(2021-Oct-14.11960855)
0.00017972 TDB
period 1585.006287436552
4.34
2.2258e-05
6.094e-08
d
yr
n .2271284365579596 3.1896e-09 deg/d
Q 3.046520171745352 2.8522e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      7029 days (19.24 yr)  
   first obs. used      2001-11-20  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:16  

Additional Information
 Earth MOID = 1.26766 au 
 Jupiter MOID = 2.04925 au 
 T_jup = 3.298 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457574.5 (2016-Jul-05.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1454094223040531 5.6012e-08  
q 2.274766245490901 1.5366e-07 au
tp 2457914.087253355711
(2017-Jun-09.58725336)
0.00016443 TDB
node 66.79892535020008 1.5569e-05 deg
peri 204.3598313094237 3.4739e-05 deg
i 18.50417052870465 5.2987e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      7029 days (19.24 yr)  
   first obs. used      2001-11-20  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:16  

Additional Information
 Jupiter MOID = 2.04925 au 
 T_jup = 3.298 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.137395238746762E-15 -8.524410950698381E-15 -4.151321768668448E-12 -8.627019654532129E-15 -7.239562349474266E-13 -1.471866179642847E-15
q -8.524410950698381E-15 2.361147548591419E-14 1.329637776327911E-11 2.081955439047329E-14 2.337842899301397E-12 9.63975571192738E-15
tp -4.151321768668448E-12 1.329637776327911E-11 2.703853322515526E-8 -8.770893172269983E-12 5.12978609012017E-9 6.429836567767316E-11
node -8.627019654532129E-15 2.081955439047329E-14 -8.770893172269983E-12 2.423932450949253E-10 -2.312634455184923E-10 1.363625776200272E-12
peri -7.239562349474266E-13 2.337842899301397E-12 5.12978609012017E-9 -2.312634455184923E-10 1.206792154322394E-9 1.109793406160106E-11
i -1.471866179642847E-15 9.63975571192738E-15 6.429836567767316E-11 1.363625776200272E-12 1.109793406160106E-11 2.807599463475273E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.54   n/a E2021B55  

187404 (2005 VK43)          Discovered 2005-Nov-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2005 VK43 = 2001 WY84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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