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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04006370345787771 3.9062e-08  
a 2.704562419558055 1.322e-08 au
q 2.596207632797561 1.0369e-07 au
i 15.60098740742859 3.9454e-06 deg
node 157.4477989056777 1.3324e-05 deg
peri 9.320821418956042 5.053e-05 deg
M 200.1852578845288 5.0542e-05 deg
tp 2459921.704251345211
(2022-Dec-08.20425135)
0.00023011 TDB
period 1624.590616907435
4.45
1.1912e-05
3.261e-08
d
yr
n .2215942873567095 1.6247e-09 deg/d
Q 2.812917206318549 1.375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      998  
   data-arc span      9008 days (24.66 yr)  
   first obs. used      1996-03-17  
   last obs. used      2020-11-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:47:23  

Additional Information
 Earth MOID = 1.60484 au 
 Jupiter MOID = 2.16347 au 
 T_jup = 3.312 
[ 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 14.97   n/a MPCxxxxx  
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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