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JPL Small-Body Database Browser
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33530 (1999 HH1)
Classification: Main-belt Asteroid          SPK-ID: 2033530
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2151350944484225 4.9095e-08  
a 2.315755412738626 1.0744e-08 au
q 1.817555153299656 1.1354e-07 au
i 3.221060799005143 4.2118e-06 deg
node 267.9873910295825 9.4292e-05 deg
peri 285.8702391913393 9.4893e-05 deg
M 262.2234496942199 1.5951e-05 deg
tp 2458950.098586897817
(2020-Apr-10.59858690)
5.8802e-05 TDB
period 1287.174592370275
3.52
8.958e-06
2.453e-08
d
yr
n .2796823384596769 1.9464e-09 deg/d
Q 2.813955672177596 1.3056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      8229 days (22.53 yr)  
   first obs. used      1996-06-23  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55065  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:37:15  

Additional Information
 Earth MOID = .820332 au 
 Jupiter MOID = 2.16108 au 
 T_jup = 3.548 
[ 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 15.4   n/a MPO417039  

33530 (1999 HH1)          Discovered 1999-Apr-19 by Broughton, J. at Reedy Creek
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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