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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2210801960973565 4.5552e-08  
a 2.390961587417045 8.8594e-09 au
q 1.862367330809638 1.1113e-07 au
i 3.015248766274 5.0302e-06 deg
node 131.4509769322132 0.00012768 deg
peri 176.257137639026 0.00012879 deg
M 32.05900878875493 1.8056e-05 deg
tp 2458880.244509233826
(2020-Jan-31.74450923)
6.7453e-05 TDB
period 1350.384129499595
3.70
7.5055e-06
2.055e-08
d
yr
n .266590810818699 1.4817e-09 deg/d
Q 2.919555844024452 1.0818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      8064 days (22.08 yr)  
   first obs. used      1997-04-29  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62093  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:07:43  

Additional Information
 Earth MOID = .847603 au 
 Jupiter MOID = 2.34425 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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