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26949 (1997 JV7)
Classification: Main-belt Asteroid          SPK-ID: 2026949
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09029941281496989 3.4196e-08  
a 2.298840574407454 7.2274e-09 au
q 2.091256620383233 7.9269e-08 au
i 6.69930216161407 4.0901e-06 deg
node 169.3942042790653 2.6348e-05 deg
peri 330.71566473794 3.3487e-05 deg
M 305.1913833910844 2.1891e-05 deg
tp 2459194.324221037253
(2020-Dec-10.82422104)
7.7817e-05 TDB
period 1273.097623888221
3.49
6.0038e-06
1.644e-08
d
yr
n .2827748581452134 1.3335e-09 deg/d
Q 2.506424528431675 7.88e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1573  
   data-arc span      8304 days (22.74 yr)  
   first obs. used      1997-05-03  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50439  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:54:23  

Additional Information
 Earth MOID = 1.10632 au 
 Jupiter MOID = 2.49862 au 
 T_jup = 3.578 
[ show covariance matrix ]

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 14.7   n/a MPO439288  
diameter diameter 3.041 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.675 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.276   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26949 (1997 JV7)          Discovered 1997-May-03 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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