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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 81 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01221419203781436 1.4798e-08  
a 2.869790044014381 1.1898e-08 au
q 2.834737877308582 4.6132e-08 au
i 3.211894958086588 9.4817e-07 deg
node 112.7268724368387 1.5308e-05 deg
peri 151.788376624169 9.974e-05 deg
M 247.4192226498763 0.00010218 deg
tp 2459755.809823218102
(2022-Jun-25.30982322)
0.00050411 TDB
period 1775.716432804476
4.86
1.1043e-05
3.023e-08
d
yr
n .2027350726441351 1.2608e-09 deg/d
Q 2.90484221072018 1.2043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2552  
   data-arc span      14259 days (39.04 yr)  
   first obs. used      1982-02-20  
   last obs. used      2021-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47426  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 22:55:01  

Additional Information
 Earth MOID = 1.81728 au 
 Jupiter MOID = 2.0747 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 13.39   n/a E2021B10  
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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