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100571 (1997 HH2)
Classification: Main-belt Asteroid          SPK-ID: 2100571
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2210191028222284 3.4163e-08  
a 2.39112564211287 7.65e-09 au
q 1.862641197957859 8.1832e-08 au
i 3.015233125055357 4.0511e-06 deg
node 131.4504014462908 0.00011913 deg
peri 176.2861658874972 0.00012029 deg
M 85.35596936656808 1.7968e-05 deg
tp 2458880.291084155656
(2020-Jan-31.79108416)
6.6573e-05 TDB
period 1350.52311583394
3.70
6.4811e-06
1.774e-08
d
yr
n .2665633751686672 1.2792e-09 deg/d
Q 2.919610086267881 9.3408e-09 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      8685 days (23.78 yr)  
   first obs. used      1997-04-29  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:47  

Additional Information
 Earth MOID = .845885 au 
 Jupiter MOID = 2.34394 au 
 T_jup = 3.497 
[ 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 17.0   n/a MPO432533  

100571 (1997 HH2)          Discovered 1997-Apr-29 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 HH2 = 2001 NN10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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