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JPL Small-Body Database Browser
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185545 (2007 YH31)
Classification: Main-belt Asteroid          SPK-ID: 2185545
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07339513272442823 7.1386e-08  
a 2.706704007547476 3.3664e-08 au
q 2.508045107667787 2.0971e-07 au
i 3.126601197388467 5.5725e-06 deg
node 90.43889567344236 0.00014032 deg
peri 319.824154213593 0.00014819 deg
M 330.7267316163941 5.1631e-05 deg
tp 2459132.759930302535
(2020-Oct-10.25993030)
0.00023445 TDB
period 1626.520629161382
4.45
3.0344e-05
8.308e-08
d
yr
n .2213313459083592 4.1291e-09 deg/d
Q 2.905362907427164 3.6135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      8519 days (23.32 yr)  
   first obs. used      1995-02-06  
   last obs. used      2018-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60007  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:13:24  

Additional Information
 Earth MOID = 1.51951 au 
 Jupiter MOID = 2.35282 au 
 T_jup = 3.359 
[ 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 16.3   n/a MPO449930  

185545 (2007 YH31)          Discovered 2007-Dec-28 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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