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15751 (1991 VN4)
Classification: Main-belt Asteroid          SPK-ID: 2015751
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .111991119745341 4.431e-08  
a 3.002374618044636 1.7429e-08 au
q 2.666135322674827 1.3052e-07 au
i 11.64209255456214 3.9762e-06 deg
node 92.99849450852093 2.2985e-05 deg
peri 279.9495142742407 2.8497e-05 deg
M 200.0110282953528 1.8295e-05 deg
tp 2459844.968186364125
(2022-Sep-22.46818636)
9.9114e-05 TDB
period 1900.184393036227
5.20
1.6546e-05
4.53e-08
d
yr
n .1894552977696921 1.6497e-09 deg/d
Q 3.338613913414445 1.9381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2091  
   data-arc span      10402 days (28.48 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:15:01  

Additional Information
 Earth MOID = 1.69855 au 
 Jupiter MOID = 2.19339 au 
 T_jup = 3.212 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456959.5 (2014-Oct-29.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1113429444883197 4.4428e-08  
q 2.668589947333481 1.3088e-07 au
tp 2456047.124864131536
(2012-Apr-29.62486413)
9.216e-05 TDB
node 93.01094645453391 2.2981e-05 deg
peri 280.6771179796432 2.8506e-05 deg
i 11.64203925946914 3.9764e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2091  
   data-arc span      10402 days (28.48 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:15:01  

Additional Information
 Jupiter MOID = 2.19339 au 
 T_jup = 3.212 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.973815939516376E-15 -5.775673794652224E-15 1.176857978531791E-12 -1.869188294523193E-15 2.218474479687552E-13 1.628308240032961E-15
q -5.775673794652224E-15 1.712869023869299E-14 -3.487516057996874E-12 3.59214966808434E-15 -6.34394481705568E-13 -4.297254721091813E-15
tp 1.176857978531791E-12 -3.487516057996874E-12 8.49343076165061E-9 -3.97924791627992E-12 1.583786373010827E-9 7.924709324394038E-13
node -1.869188294523193E-15 3.59214966808434E-15 -3.97924791627992E-12 5.281387308427835E-10 -5.180056662480953E-10 -2.832451716867271E-11
peri 2.218474479687552E-13 -6.34394481705568E-13 1.583786373010827E-9 -5.180056662480953E-10 8.125704391948682E-10 2.796282781737421E-11
i 1.628308240032961E-15 -4.297254721091813E-15 7.924709324394038E-13 -2.832451716867271E-11 2.796282781737421E-11 1.581196577964616E-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 12.0   n/a MPO473978  
diameter diameter 13.358 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.189   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15751 (1991 VN4)          Discovered 1991-Nov-10 by Otomo, S. at Kiyosato
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 VN4 = 2001 OD82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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