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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .25562157315883 4.5168e-08  
a 2.416391524571865 8.1524e-09 au
q 1.798709721693141 1.1172e-07 au
i 5.01744801432036 3.8891e-06 deg
node 67.96812327834019 5.6226e-05 deg
peri 279.9384455092071 5.6857e-05 deg
M 319.8794994230511 7.8831e-06 deg
tp 2459153.402020646090
(2020-Oct-30.90202065)
3.0238e-05 TDB
period 1371.985061029328
3.76
6.9432e-06
1.901e-08
d
yr
n .2623935276160449 1.3279e-09 deg/d
Q 3.034073327450588 1.0236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      11061 days (30.28 yr)  
   first obs. used      1990-07-30  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:43  

Additional Information
 Earth MOID = .800685 au 
 Jupiter MOID = 2.40869 au 
 T_jup = 3.466 
[ 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 15.7   n/a MPO325163  
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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