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JPL Small-Body Database Browser
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312951 (1995 YQ11)
Classification: Main-belt Asteroid          SPK-ID: 2312951
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04406080977218661 1.0094e-07  
a 3.05795340565843 4.5424e-08 au
q 2.923217502359504 3.3179e-07 au
i 12.47490782766278 7.5368e-06 deg
node 285.1923999491947 4.4089e-05 deg
peri 77.557898735009 0.00010477 deg
M 242.5492112222672 9.6277e-05 deg
tp 2459237.732855058248
(2021-Jan-23.23285506)
0.00052869 TDB
period 1953.191036078093
5.35
4.352e-05
1.192e-07
d
yr
n .1843137682645019 4.1068e-09 deg/d
Q 3.192689308957356 4.7425e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      8596 days (23.53 yr)  
   first obs. used      1995-12-18  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:34  

Additional Information
 Earth MOID = 1.94742 au 
 Jupiter MOID = 2.10537 au 
 T_jup = 3.197 
[ 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 15.8   n/a MPO241771  
diameter diameter 3.476 km 0.698 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312951 (1995 YQ11)          Discovered 1995-Dec-18 by Spacewatch at Kitt Peak
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

[ show close-approach data ]
Alternate Designations
 1995 YQ11 = 2004 PE106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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