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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 76 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0122734185994692 3.4827e-08  
a 2.869931663728512 1.3467e-08 au
q 2.834707791067701 9.7258e-08 au
i 3.211895994412377 3.6582e-06 deg
node 112.7271803648043 6.3153e-05 deg
peri 151.1846109637202 0.00015585 deg
M 207.4924932603048 0.00014327 deg
tp 2459752.805922725949
(2022-Jun-22.30592273)
0.00070689 TDB
period 1775.847877728427
4.86
1.25e-05
3.422e-08
d
yr
n .202720066574899 1.4269e-09 deg/d
Q 2.905155536389324 1.3633e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2315  
   data-arc span      14122 days (38.66 yr)  
   first obs. used      1982-02-20  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48137  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:55:54  

Additional Information
 Earth MOID = 1.81912 au 
 Jupiter MOID = 2.07527 au 
 T_jup = 3.296 
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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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