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243912 (2001 HZ1)
Classification: Main-belt Asteroid          SPK-ID: 2243912
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3023367024615707 4.2508e-08  
a 2.603503939697754 1.3582e-08 au
q 1.816369143723827 1.1231e-07 au
i 8.099058810714048 4.3714e-06 deg
node 204.5423913800174 3.4438e-05 deg
peri 83.94280479110596 3.5669e-05 deg
M 155.2965282029046 7.243e-06 deg
tp 2458338.595960263399
(2018-Aug-08.09596026)
2.9328e-05 TDB
period 1534.390092699572
4.20
1.2007e-05
3.287e-08
d
yr
n .2346209101015661 1.8359e-09 deg/d
Q 3.390638735671681 1.7688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      6869 days (18.81 yr)  
   first obs. used      2001-04-01  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:26:27  

Additional Information
 Earth MOID = .822397 au 
 Jupiter MOID = 1.88684 au 
 T_jup = 3.334 
[ 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 16.2   n/a MPO454791  
diameter diameter 3.015 km 0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243912 (2001 HZ1)          Discovered 2001-Apr-17 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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