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JPL Small-Body Database Browser
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410138 (2007 HZ21)
Classification: Main-belt Asteroid          SPK-ID: 2410138
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08817077680364407 8.91e-08  
a 3.090417204608159 6.1957e-08 au
q 2.817932719030512 3.0064e-07 au
i 6.139895875339894 8.0178e-06 deg
node 55.6723412009915 8.3715e-05 deg
peri 106.825027435931 9.8806e-05 deg
M 125.5737597999622 4.9638e-05 deg
tp 2457908.317694476316
(2017-Jun-03.81769448)
0.00027048 TDB
period 1984.376595759151
5.43
5.9675e-05
1.634e-07
d
yr
n .1814171769458292 5.4556e-09 deg/d
Q 3.362901690185807 6.742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      4963 days (13.59 yr)  
   first obs. used      2004-11-11  
   last obs. used      2018-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67532  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:28:50  

Additional Information
 Earth MOID = 1.83394 au 
 Jupiter MOID = 1.63598 au 
 T_jup = 3.210 
[ 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 16.6   n/a MPO450421  

410138 (2007 HZ21)          Discovered 2007-Apr-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-10-09

[ show close-approach data ]
Alternate Designations
 2007 HZ21 = 2012 DQ51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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