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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 84 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01215299359728515 1.4586e-08  
a 2.869253220226263 1.1613e-08 au
q 2.834383204211863 4.5566e-08 au
i 3.211883302684809 9.386e-07 deg
node 112.7262447416059 1.5168e-05 deg
peri 152.6859049412868 0.00010079 deg
M 286.2553372113697 0.00010309 deg
tp 2459760.146855704924
(2022-Jun-29.64685570)
0.00050841 TDB
period 1775.218207031469
4.86
1.0778e-05
2.951e-08
d
yr
n .2027919714737459 1.2312e-09 deg/d
Q 2.904123236240662 1.1754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2752  
   data-arc span      14361 days (39.32 yr)  
   first obs. used      1982-02-20  
   last obs. used      2021-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46973  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:51:35  

Additional Information
 Earth MOID = 1.81855 au 
 Jupiter MOID = 2.07478 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 13.40   n/a MPCxxxxx  
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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