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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874548156975391 2.9905e-08  
a 2.623486248355018 1.3102e-08 au
q 2.131701117184599 7.8428e-08 au
i 12.34039255599025 5.0642e-06 deg
node 239.7489321962028 1.5172e-05 deg
peri 60.91043624440396 2.1171e-05 deg
M 160.2116096791587 1.4543e-05 deg
tp 2458509.770351044107
(2019-Jan-26.27035104)
6.0648e-05 TDB
period 1552.088978583361
4.25
1.1627e-05
3.183e-08
d
yr
n .2319454650909145 1.7375e-09 deg/d
Q 3.115271379525436 1.5558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1345  
   data-arc span      14344 days (39.27 yr)  
   first obs. used      1981-10-30  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50166  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:47:12  

Additional Information
 Earth MOID = 1.14497 au 
 Jupiter MOID = 2.15239 au 
 T_jup = 3.346 
[ 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 14.54   n/a E2021B10  
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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