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JPL Small-Body Database Browser
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452998 (2007 HN68)
Classification: Main-belt Asteroid          SPK-ID: 2452998
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1254589399904673 6.4767e-07  
a 3.007239179368076 1.6459e-07 au
q 2.629954139626754 2.0843e-06 au
i 11.33229431849493 1.1308e-05 deg
node 40.43335329237593 6.3595e-05 deg
peri 130.9698653298113 0.00023976 deg
M 134.9659251444014 0.00014282 deg
tp 2457886.378648210740
(2017-May-12.87864821)
0.00080584 TDB
period 1904.804389471469
5.22
0.00015638
4.281e-07
d
yr
n .1889957845487169 1.5516e-08 deg/d
Q 3.384524219109397 1.8524e-07 au
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      3660 days (10.02 yr)  
   first obs. used      2007-03-16  
   last obs. used      2017-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60108  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 10:44:24  

Additional Information
 Earth MOID = 1.65024 au 
 Jupiter MOID = 1.62735 au 
 T_jup = 3.209 
[ 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 16.8   n/a MPO402842  

452998 (2007 HN68)          Discovered 2007-Mar-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-01-04

[ show close-approach data ]
Alternate Designations
 2007 HN68 = 2010 XY21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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