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35919 (1999 JY99)
Classification: Main-belt Asteroid          SPK-ID: 2035919
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06382098111843594 4.2801e-08  
a 2.911604223861989 1.9531e-08 au
q 2.725782785666535 1.2911e-07 au
i 12.90965629635621 4.9297e-06 deg
node 119.4628115116931 1.9701e-05 deg
peri 275.2396180879496 4.2764e-05 deg
M 297.0927606013403 3.9672e-05 deg
tp 2459317.599140137433
(2021-Apr-13.09914014)
0.00020086 TDB
period 1814.666984924283
4.97
1.8259e-05
4.999e-08
d
yr
n .198383506720943 1.9961e-09 deg/d
Q 3.097425662057444 2.0778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1231  
   data-arc span      7858 days (21.51 yr)  
   first obs. used      1998-02-24  
   last obs. used      2019-08-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:59:36  

Additional Information
 Earth MOID = 1.77112 au 
 Jupiter MOID = 2.20042 au 
 T_jup = 3.242 
[ 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 13.5   n/a MPO347782  
diameter diameter 11.478 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.942 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 0.064   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35919 (1999 JY99)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JY99 = 1998 FY86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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