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72870 (2001 HT65)
Classification: Main-belt Asteroid          SPK-ID: 2072870
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03534030265587735 4.1458e-08  
a 3.173533836681676 2.671e-08 au
q 3.061380190404678 1.424e-07 au
i 21.53137361915367 6.8165e-06 deg
node 227.3747425830365 1.1575e-05 deg
peri 246.2778908716091 9.727e-05 deg
M 285.4437097466958 9.784e-05 deg
tp 2459628.156341441327
(2022-Feb-17.65634144)
0.00056218 TDB
period 2064.967052354843
5.65
2.607e-05
7.138e-08
d
yr
n .1743369220295617 2.2009e-09 deg/d
Q 3.285687482958674 2.7654e-08 au
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      8062 days (22.07 yr)  
   first obs. used      1998-12-15  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51346  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:30  

Additional Information
 Earth MOID = 2.11867 au 
 Jupiter MOID = 1.86002 au 
 T_jup = 3.092 
[ 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 14.29   n/a E2021B10  
diameter diameter 8.329 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72870 (2001 HT65)          Discovered 2001-Apr-30 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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