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72850 (2001 HV40)
Classification: Main-belt Asteroid          SPK-ID: 2072850
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06064816248866682 5.3284e-08  
a 2.683730380174796 1.6277e-08 au
q 2.520967064002184 1.4639e-07 au
i 22.72504031367155 5.4847e-06 deg
node 78.5653212958912 1.3139e-05 deg
peri 326.8919165323655 4.3089e-05 deg
M 341.697049491421 3.9574e-05 deg
tp 2459282.144203249865
(2021-Mar-08.64420325)
0.00017648 TDB
period 1605.856561551364
4.40
1.4609e-05
4e-08
d
yr
n .2241794246257063 2.0395e-09 deg/d
Q 2.846493696347409 1.7264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1344  
   data-arc span      9525 days (26.08 yr)  
   first obs. used      1995-02-03  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49904  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:24  

Additional Information
 Earth MOID = 1.54921 au 
 Jupiter MOID = 2.47461 au 
 T_jup = 3.261 
[ 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 14.09   n/a E2021B10  
diameter diameter 4.342 km 0.936 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.258   0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72850 (2001 HV40)          Discovered 2001-Apr-27 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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