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120291 (2004 HA75)
Classification: Outer Main-belt Asteroid          SPK-ID: 2120291
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1472227231700777 6.7448e-08  
a 3.221185697013163 3.2807e-08 au
q 2.746953966862381 2.1228e-07 au
i 4.757356081760823 7.8373e-06 deg
node 199.0740055865378 5.9743e-05 deg
peri 131.0544429326552 6.3719e-05 deg
M 203.5121852961051 2.62e-05 deg
tp 2459918.409986798508
(2022-Dec-04.90998680)
0.00016233 TDB
period 2111.650647513568
5.78
3.226e-05
8.832e-08
d
yr
n .1704827455355334 2.6045e-09 deg/d
Q 3.695417427163946 3.7636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      7119 days (19.49 yr)  
   first obs. used      2000-10-29  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:36:22  

Additional Information
 Earth MOID = 1.73933 au 
 Jupiter MOID = 1.7007 au 
 T_jup = 3.166 
[ 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 15.1   n/a MPO260010  
diameter diameter 6.372 km 0.682 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120291 (2004 HA75)          Discovered 2004-Apr-30 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2004 HA75 = 2003 FL14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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