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46787 (1998 HL129)
Classification: Main-belt Asteroid          SPK-ID: 2046787
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .237259325496324 6.6231e-08  
a 2.529717442599642 7.7062e-09 au
q 1.929518388472165 1.6968e-07 au
i 7.397422176327753 9.9267e-06 deg
node 347.1235584043267 2.5399e-05 deg
peri 77.72358679228101 3.9987e-05 deg
M 334.2213243022977 3.0487e-05 deg
tp 2459305.736053242038
(2021-Apr-01.23605324)
0.00012461 TDB
period 1469.624724380642
4.02
6.7153e-06
1.839e-08
d
yr
n .2449604950350289 1.1193e-09 deg/d
Q 3.129916496727118 9.5345e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1513  
   data-arc span      10362 days (28.37 yr)  
   first obs. used      1992-10-19  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:24  

Additional Information
 Earth MOID = .95806 au 
 Jupiter MOID = 2.26364 au 
 T_jup = 3.400 
[ 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 14.90   n/a E2021B10  
diameter diameter 4.882 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.098   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46787 (1998 HL129)          Discovered 1998-Apr-19 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HL129 = 2000 RQ33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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