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46230 (2001 HZ4)
Classification: Main-belt Asteroid          SPK-ID: 2046230
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875351904364657 3.1814e-08  
a 2.622353441154746 1.3787e-08 au
q 2.130569889176069 8.4448e-08 au
i 12.34327029572474 5.3875e-06 deg
node 239.7519677121778 1.602e-05 deg
peri 60.76149963766428 2.2566e-05 deg
M 21.15051619366232 1.5095e-05 deg
tp 2458509.371602011301
(2019-Jan-25.87160201)
6.4773e-05 TDB
period 1551.083811645305
4.25
1.2233e-05
3.349e-08
d
yr
n .2320957754166306 1.8304e-09 deg/d
Q 3.114136993133422 1.6373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1146  
   data-arc span      13880 days (38.00 yr)  
   first obs. used      1981-10-30  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51808  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:26:06  

Additional Information
 Earth MOID = 1.14494 au 
 Jupiter MOID = 2.15208 au 
 T_jup = 3.347 
[ 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 14.4   n/a MPO351160  
diameter diameter 3.338 km 0.202 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.275   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46230 (2001 HZ4)          Discovered 2001-Apr-16 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 HZ4 = 1981 UR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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