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17846 (1998 HB115)
Classification: Main-belt Asteroid          SPK-ID: 2017846
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09040460771592224 2.2425e-08  
a 2.62792330275007 1.1756e-08 au
q 2.39034692745742 5.784e-08 au
i 14.75358425698415 7.486e-07 deg
node 140.5221573329559 3.8589e-06 deg
peri 346.2586676209426 1.245e-05 deg
M 191.7106533869609 1.383e-05 deg
tp 2459927.897123556550
(2022-Dec-14.39712356)
6.2557e-05 TDB
period 1556.028172612019
4.26
1.0441e-05
2.859e-08
d
yr
n .2313582789414974 1.5525e-09 deg/d
Q 2.865499678042721 1.2819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1985  
   data-arc span      11571 days (31.68 yr)  
   first obs. used      1989-02-11  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45886  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:15:09  

Additional Information
 Earth MOID = 1.4068 au 
 Jupiter MOID = 2.17446 au 
 T_jup = 3.349 
[ 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 13.13   n/a E2021B10  
diameter diameter 6.928 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.194   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17846 (1998 HB115)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HB115 = 1989 CA1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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