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216450 (2009 HH3)
Classification: Main-belt Asteroid          SPK-ID: 2216450
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07474561990107551 6.3616e-08  
a 2.34706218628369 1.7706e-08 au
q 2.171629568223542 1.5198e-07 au
i 8.782911798554377 6.8433e-06 deg
node 46.17942927509021 3.4818e-05 deg
peri 193.1634151009944 5.5357e-05 deg
M 62.96817087612459 4.4367e-05 deg
tp 2458970.777306973162
(2020-May-01.27730697)
0.0001619 TDB
period 1313.364646598282
3.60
1.4861e-05
4.069e-08
d
yr
n .2741051397511183 3.1016e-09 deg/d
Q 2.522494804343838 1.9029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      6596 days (18.06 yr)  
   first obs. used      2002-05-09  
   last obs. used      2020-05-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:52  

Additional Information
 Earth MOID = 1.15935 au 
 Jupiter MOID = 2.46583 au 
 T_jup = 3.541 
[ 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 16.74   n/a E2021B55  

216450 (2009 HH3)          Discovered 2009-Apr-16 by CSS at Catalina
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2009 HH3 = 2003 UX91 = 2007 WD28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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