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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 74 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0122734191999346 3.493e-08  
a 2.869931664932555 1.361e-08 au
q 2.834707790533671 9.7455e-08 au
i 3.211896015714703 3.6637e-06 deg
node 112.7271770263255 6.3919e-05 deg
peri 151.1846037524289 0.00015733 deg
M 207.4925033813379 0.00014445 deg
tp 2459752.805873273226
(2022-Jun-22.30587327)		 0.00071264 TDB
period 1775.847878845978
4.86		 1.2632e-05
3.458e-08		 d
yr
n .2027200664473262 1.442e-09 deg/d
Q 2.905155539331438 1.3777e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2257  
   data-arc span      13861 days (37.95 yr)  
   first obs. used      1982-02-20  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48261  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:13:03  

Additional Information
 Earth MOID = 1.81912 au 
 Jupiter MOID = 2.07527 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 13.4   n/a MPO502260  
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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