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100895 (1998 HN146)
Classification: Main-belt Asteroid          SPK-ID: 2100895
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433337238168771 5.3356e-08  
a 3.132327766682494 2.9437e-08 au
q 2.68335956366889 1.6829e-07 au
i 19.68195976155485 6.3053e-06 deg
node 186.2763304096451 1.5657e-05 deg
peri 71.94429547577987 2.5412e-05 deg
M 309.9824348243681 2.0478e-05 deg
tp 2459281.832090481605
(2021-Mar-08.33209048)
0.00011653 TDB
period 2024.879704114831
5.54
2.8544e-05
7.815e-08
d
yr
n .1777883393608179 2.5062e-09 deg/d
Q 3.581295969696098 3.3656e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      9259 days (25.35 yr)  
   first obs. used      1994-09-29  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5635  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:13:09  

Additional Information
 Earth MOID = 1.74677 au 
 Jupiter MOID = 1.63896 au 
 T_jup = 3.107 
[ 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 15.0   n/a MPO248020  
diameter diameter 5.519 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100895 (1998 HN146)          Discovered 1998-Apr-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 HN146 = 1994 SN10 = 2004 LP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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