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46259 (2001 HR45)
Classification: Main-belt Asteroid          SPK-ID: 2046259
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1481532850357751 4.2874e-08  
a 2.761776123051586 1.6587e-08 au
q 2.352609917888126 1.2108e-07 au
i 10.44146677491615 4.4625e-06 deg
node 115.9143276274467 3.0919e-05 deg
peri 196.3582896919241 3.5864e-05 deg
M 12.62637883643221 1.9864e-05 deg
tp 2459141.702691328865
(2020-Oct-19.20269133)
9.2284e-05 TDB
period 1676.413435381274
4.59
1.5103e-05
4.135e-08
d
yr
n .2147441629863362 1.9346e-09 deg/d
Q 3.170942328215045 1.9045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      994  
   data-arc span      8005 days (21.92 yr)  
   first obs. used      1998-11-13  
   last obs. used      2020-10-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56627  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:47:24  

Additional Information
 Earth MOID = 1.33804 au 
 Jupiter MOID = 2.09554 au 
 T_jup = 3.301 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.33   n/a E2021B10  
diameter diameter 3.405 km 1.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.349   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46259 (2001 HR45)          Discovered 2001-Apr-17 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 HR45 = 2000 CW121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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