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46256 (2001 HR40)
Classification: Main-belt Asteroid          SPK-ID: 2046256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03860551398177504 3.959e-08  
a 2.706837251139465 1.4706e-08 au
q 2.602338407794211 1.0439e-07 au
i 15.58436763521716 4.0019e-06 deg
node 157.5307314508503 1.9773e-05 deg
peri 9.57235434675602 7.2355e-05 deg
M 67.08463778038502 6.8766e-05 deg
tp 2458297.381654271548
(2018-Jun-27.88165427)
0.00031086 TDB
period 1626.640734343343
4.45
1.3256e-05
3.629e-08
d
yr
n .2213150036140758 1.8035e-09 deg/d
Q 2.81133609448472 1.5273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      8554 days (23.42 yr)  
   first obs. used      1996-03-17  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55016  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:11:15  

Additional Information
 Earth MOID = 1.61171 au 
 Jupiter MOID = 2.16726 au 
 T_jup = 3.311 
[ 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 14.9   n/a MPO302326  
diameter diameter 3.077 km 0.416 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.324   0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

46256 (2001 HR40)          Discovered 2001-Apr-27 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 HR40 = 2000 AD192 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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