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58409 (1995 XH4)
Classification: Main-belt Asteroid          SPK-ID: 2058409
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07303609112736677 3.9913e-08  
a 2.202815954965644 9.3669e-09 au
q 2.041930888141956 8.6926e-08 au
i 3.890669085056513 4.9423e-06 deg
node 134.6888211194216 5.391e-05 deg
peri 328.8635112278695 6.2129e-05 deg
M 143.6601612150382 3.1692e-05 deg
tp 2458523.959741926600
(2019-Feb-09.45974193)		 0.00010424 TDB
period 1194.168873649196
3.27		 7.6168e-06
2.085e-08		 d
yr
n .3014648999348773 1.9229e-09 deg/d
Q 2.363701021789332 1.0051e-08 au
   Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      8986 days (24.60 yr)  
   first obs. used      1995-12-14  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54739  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:51:13  

Additional Information
 Earth MOID = 1.05989 au 
 Jupiter MOID = 2.7058 au 
 T_jup = 3.657 
[ 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 16.8   n/a MPO412560  

58409 (1995 XH4)          Discovered 1995-Dec-14 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1995 XH4 = 2001 SR181 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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