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46250 (2001 HP28)
Classification: Main-belt Asteroid          SPK-ID: 2046250
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220891145376858 3.5191e-08  
a 3.110786843259254 1.7763e-08 au
q 2.730993632050249 1.066e-07 au
i 4.095927638357113 3.9375e-06 deg
node 229.6553969002759 5.0126e-05 deg
peri 44.98936495752917 5.2374e-05 deg
M 178.2519189671761 1.6218e-05 deg
tp 2458208.217070208909
(2018-Mar-30.71707021)
8.833e-05 TDB
period 2004.028101321999
5.49
1.7165e-05
4.7e-08
d
yr
n .1796381995654245 1.5386e-09 deg/d
Q 3.490580054468259 1.9931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1755  
   data-arc span      8540 days (23.38 yr)  
   first obs. used      1997-10-30  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50161  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:38:02  

Additional Information
 Earth MOID = 1.71487 au 
 Jupiter MOID = 1.61347 au 
 T_jup = 3.204 
[ 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 13.62   n/a E2021B10  
diameter diameter 9.778 km 0.782 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46250 (2001 HP28)          Discovered 2001-Apr-27 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HP28 = 2000 CW48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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