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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1121158338227286 2.1417e-08  
a 3.003322713745754 1.5566e-08 au
q 2.666602683455409 6.7707e-08 au
i 11.6407752350673 1.0755e-06 deg
node 92.99925996523831 5.3264e-06 deg
peri 279.7168388344506 7.6984e-06 deg
M 275.2937640438465 9.2902e-06 deg
tp 2459843.815874358140
(2022-Sep-21.31587436)
5.0156e-05 TDB
period 1901.084529978245
5.20
1.4779e-05
4.046e-08
d
yr
n .1893655933353577 1.4722e-09 deg/d
Q 3.3400427440361 1.7311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2349  
   data-arc span      10869 days (29.76 yr)  
   first obs. used      1991-11-04  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42446  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 21:31:05  

Additional Information
 Earth MOID = 1.69822 au 
 Jupiter MOID = 2.1953 au 
 T_jup = 3.211 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.03   n/a E2021B10  
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

Alternate Designations
 1991 VN4 = 2001 OD82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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