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101545 (1998 YH23)
Classification: Main-belt Asteroid          SPK-ID: 2101545
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2553286789616658 4.4435e-08  
a 2.415543954952181 8.0041e-09 au
q 1.798786307960403 1.097e-07 au
i 5.017039854335778 3.7781e-06 deg
node 67.95835407529147 5.5339e-05 deg
peri 279.946327277672 5.5945e-05 deg
M 12.36330376279675 7.666e-06 deg
tp 2459153.407376768892
(2020-Oct-30.90737677)
2.9144e-05 TDB
period 1371.263271409247
3.75
6.8157e-06
1.866e-08
d
yr
n .2625316432708272 1.3049e-09 deg/d
Q 3.032301601943959 1.0048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      11154 days (30.54 yr)  
   first obs. used      1990-07-30  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51317  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:18  

Additional Information
 Earth MOID = .799013 au 
 Jupiter MOID = 2.41106 au 
 T_jup = 3.467 
[ 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 15.77   n/a E2021B55  
diameter diameter 1.680 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.360   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101545 (1998 YH23)          Discovered 1998-Dec-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 YH23 = 1990 OR2 = 2003 AM48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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