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146761 (2001 XH180)
Classification: Main-belt Asteroid          SPK-ID: 2146761
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2051542750258483 5.3529e-08  
a 2.989527967055988 2.5808e-08 au
q 2.376213524305119 1.6043e-07 au
i 3.871570731596453 7.1521e-06 deg
node 232.4530553378755 8.9381e-05 deg
peri 241.2493735874997 9.1653e-05 deg
M 198.7146729126238 2.0014e-05 deg
tp 2459846.352653983037
(2022-Sep-23.85265398)
0.00010965 TDB
period 1888.001598985671
5.17
2.4448e-05
6.693e-08
d
yr
n .1906778046127768 2.4691e-09 deg/d
Q 3.602842409806857 3.1102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      10041 days (27.49 yr)  
   first obs. used      1990-10-18  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63258  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:43:15  

Additional Information
 Earth MOID = 1.39567 au 
 Jupiter MOID = 1.54831 au 
 T_jup = 3.221 
[ 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 15.6   n/a MPO445973  

146761 (2001 XH180)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 XH180 = 1995 UP17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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