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79405 (1997 HD11)
Classification: Main-belt Asteroid          SPK-ID: 2079405
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969695474942709 4.3081e-08  
a 2.319110646902396 1.2113e-08 au
q 1.862316472192885 9.7723e-08 au
i 4.536454658189085 4.674e-06 deg
node 244.0529588588254 7.206e-05 deg
peri 358.2024265550311 7.353e-05 deg
M 180.0161486625704 1.7258e-05 deg
tp 2459645.428651702248
(2022-Mar-06.92865170)
6.4517e-05 TDB
period 1289.973033066918
3.53
1.0106e-05
2.767e-08
d
yr
n .279075601405479 2.1865e-09 deg/d
Q 2.775904821611907 1.4499e-08 au
  Orbit Determination Parameters
   # obs. used (total)      475  
   data-arc span      9207 days (25.21 yr)  
   first obs. used      1994-08-13  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5986  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 09:22:40  

Additional Information
 Earth MOID = .849503 au 
 Jupiter MOID = 2.24394 au 
 T_jup = 3.549 
[ 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 16.4   n/a MPO493430  

79405 (1997 HD11)          Discovered 1997-Apr-30 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1997 HD11 = 1994 PN31 = 1998 TL17 = 2001 RU32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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