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52310 (1991 VJ)
Classification: Mars-crossing Asteroid          SPK-ID: 2052310
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3394761813929922 5.2381e-08  
a 2.340825820387046 1.2649e-08 au
q 1.546171209575934 1.2702e-07 au
i 22.90525559501505 5.7368e-06 deg
node 71.86034862153049 1.2643e-05 deg
peri 261.8222809938313 1.4581e-05 deg
M 9.486018973454605 1.1316e-05 deg
tp 2458966.030612685837
(2020-Apr-26.53061269)
4.0934e-05 TDB
period 1308.133524487312
3.58
1.0603e-05
2.903e-08
d
yr
n .2752012644436219 2.2306e-09 deg/d
Q 3.135480431198159 1.6943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      15200 days (41.62 yr)  
   first obs. used      1977-12-07  
   last obs. used      2019-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:25:57  

Additional Information
 Earth MOID = .705783 au 
 Jupiter MOID = 2.62074 au 
 T_jup = 3.385 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457197.5 (2015-Jun-24.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3392703924643407 5.234e-08  
q 1.546869213026633 1.2687e-07 au
tp 2457658.636229392917
(2016-Sep-27.13622939)
3.5086e-05 TDB
node 71.87576068754558 1.2644e-05 deg
peri 261.9314595742206 1.4593e-05 deg
i 22.90301038327807 5.7368e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      15200 days (41.62 yr)  
   first obs. used      1977-12-07  
   last obs. used      2019-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:25:57  

Additional Information
 Jupiter MOID = 2.62074 au 
 T_jup = 3.385 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.739494746889453E-15 -6.629925673823527E-15 -6.279652458528159E-13 -1.064510432742672E-14 7.443990680988275E-16 3.905048205084788E-15
q -6.629925673823527E-15 1.60971512103373E-14 1.60134721415757E-12 2.606089380699825E-14 5.160377150759814E-15 -8.143379297102282E-15
tp -6.279652458528159E-13 1.60134721415757E-12 1.231038214819956E-9 6.378065171721597E-12 2.563197298185379E-10 2.040268124462341E-12
node -1.064510432742672E-14 2.606089380699825E-14 6.378065171721597E-12 1.598582518830031E-10 -1.459120754608006E-10 -1.20871984361693E-11
peri 7.443990680988275E-16 5.160377150759814E-15 2.563197298185379E-10 -1.459120754608006E-10 2.129577844054593E-10 1.18347884676424E-11
i 3.905048205084788E-15 -8.143379297102282E-15 2.040268124462341E-12 -1.20871984361693E-11 1.18347884676424E-11 3.291050566264697E-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 15.0   n/a MPO445586  

52310 (1991 VJ)          Discovered 1991-Nov-09 by McNaught, R. H. at Siding Spring
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1991 VJ = 1977 XH1 = 2000 BW15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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