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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2372672744464376 7.3238e-08  
a 2.530420864954399 1.1956e-08 au
q 1.930034803124272 1.8619e-07 au
i 7.396370908284745 1.1627e-05 deg
node 347.1248438686749 3.5126e-05 deg
peri 77.65162126576092 4.8367e-05 deg
M 285.2983587716873 3.3233e-05 deg
tp 2459305.581033964704
(2021-Apr-01.08103396)
0.00013638 TDB
period 1470.237740716023
4.03
1.042e-05
2.853e-08
d
yr
n .2448583586384307 1.7354e-09 deg/d
Q 3.130806926784527 1.4792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1033  
   data-arc span      9317 days (25.51 yr)  
   first obs. used      1992-10-19  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56142  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 23:59:02  

Additional Information
 Earth MOID = .959152 au 
 Jupiter MOID = 2.26256 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 14.8   n/a MPO436108  
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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