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46773 (1998 HZ12)
Classification: Mars-crossing Asteroid          SPK-ID: 2046773
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2761031721721821 2.7151e-08  
a 2.253150609201736 7.7973e-09 au
q 1.631048578619452 5.9979e-08 au
i 5.765171171765756 3.1227e-06 deg
node 107.2370457600696 4.4774e-05 deg
peri 160.0646081784492 4.5592e-05 deg
M 141.483677208964 1.0642e-05 deg
tp 2458515.001828323310
(2019-Jan-31.50182832)
3.508e-05 TDB
period 1235.332196981764
3.38
6.4125e-06
1.756e-08
d
yr
n .2914195880910195 1.5127e-09 deg/d
Q 2.87525263978402 9.9501e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1266  
   data-arc span      7978 days (21.84 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:34:34  

Additional Information
 Earth MOID = .616454 au 
 Jupiter MOID = 2.23301 au 
 T_jup = 3.568 
[ 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 15.1   n/a MPO347848  
diameter diameter 2.355 km 0.461 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.290   0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

46773 (1998 HZ12)          Discovered 1998-Apr-18 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HZ12 = 1999 VY224 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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