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JPL Small-Body Database Browser
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11994 (1995 YP)
Classification: Main-belt Asteroid          SPK-ID: 2011994
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 71 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01242074149046973 3.5106e-08  
a 2.869365194503166 1.4642e-08 au
q 2.833725551180491 9.7617e-08 au
i 3.211725291161381 3.7403e-06 deg
node 112.7303727109528 6.8065e-05 deg
peri 149.9128388888367 0.00016843 deg
M 127.6883587881574 0.00015404 deg
tp 2457970.811198210357
(2017-Aug-05.31119821)		 0.00076032 TDB
period 1775.322126430963
4.86		 1.3588e-05
3.72e-08		 d
yr
n .20278010094074 1.5521e-09 deg/d
Q 2.905004837825842 1.4823e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2139  
   data-arc span      13795 days (37.77 yr)  
   first obs. used      1982-02-20  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49086  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:41:39  

Additional Information
 Earth MOID = 1.81778 au 
 Jupiter MOID = 2.07599 au 
 T_jup = 3.296 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3   n/a MPO416843  
diameter diameter 5.869 km 0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.269   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11994 (1995 YP)          Discovered 1995-Dec-19 by Kobayashi, T. at Oizumi
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 YP = 1982 DD3 = 1982 HM2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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