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101826 (1999 JY23)
Classification: Main-belt Asteroid          SPK-ID: 2101826
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06822601092214192 3.9062e-08  
a 2.802449459069294 1.3852e-08 au
q 2.611249511666081 1.1294e-07 au
i 12.82989570094575 5.2297e-06 deg
node 36.28913766987947 1.7047e-05 deg
peri 98.59675265741278 4.1596e-05 deg
M 252.9273343288936 3.7531e-05 deg
tp 2459510.160791810141
(2021-Oct-22.66079181)
0.00017918 TDB
period 1713.582863578246
4.69
1.2705e-05
3.478e-08
d
yr
n .2100861345264973 1.5576e-09 deg/d
Q 2.993649406472506 1.4797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1176  
   data-arc span      7877 days (21.57 yr)  
   first obs. used      1999-04-06  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:18  

Additional Information
 Earth MOID = 1.6611 au 
 Jupiter MOID = 2.06977 au 
 T_jup = 3.285 
[ 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 14.4   n/a MPO502728  
diameter diameter 4.550 km 0.871 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.235   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101826 (1999 JY23)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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