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173162 (1996 XP9)
Classification: Main-belt Asteroid          SPK-ID: 2173162
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2011542961753478 5.0496e-08  
a 2.341563287621521 1.1535e-08 au
q 1.87054777254998 1.1458e-07 au
i 4.837686679769665 7.1082e-06 deg
node 346.730337280674 6.3004e-05 deg
peri 105.977007357886 6.7347e-05 deg
M 180.2895838235635 2.1105e-05 deg
tp 2459653.823118749684
(2022-Mar-15.32311875)
7.916e-05 TDB
period 1308.751756041645
3.58
9.6708e-06
2.648e-08
d
yr
n .2750712641554192 2.0326e-09 deg/d
Q 2.812578802693061 1.3855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      8178 days (22.39 yr)  
   first obs. used      1996-11-19  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62341  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:02:03  

Additional Information
 Earth MOID = .89405 au 
 Jupiter MOID = 2.38801 au 
 T_jup = 3.532 
[ 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 17.6   n/a MPO469855  

173162 (1996 XP9)          Discovered 1996-Dec-01 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1996 XP9 = 2001 DA27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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