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227980 (2007 HA88)
Classification: Main-belt Asteroid          SPK-ID: 2227980
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02164460188872331 5.1423e-08  
a 2.999784327450588 3.9244e-08 au
q 2.934855189930889 1.4391e-07 au
i 10.0112680985454 5.0998e-06 deg
node 83.15822770141692 3.9198e-05 deg
peri 165.0852704120514 0.00018924 deg
M 190.76453920692 0.00018938 deg
tp 2460092.618082060542
(2023-May-28.11808206)
0.0010055 TDB
period 1897.725855070483
5.20
3.724e-05
1.02e-07
d
yr
n .189700740514298 3.7226e-09 deg/d
Q 3.064713464970288 4.0093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      6844 days (18.74 yr)  
   first obs. used      2002-05-08  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52007  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:53  

Additional Information
 Earth MOID = 1.91921 au 
 Jupiter MOID = 1.96075 au 
 T_jup = 3.230 
[ 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 15.64   n/a MPCxxxxx  

227980 (2007 HA88)          Discovered 2007-Apr-27 by Stevens, B. L. at Desert Moon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2007 HA88 = 2006 AA83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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