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11962 (1994 PX)
Classification: Main-belt Asteroid          SPK-ID: 2011962
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1508808579696844 3.6052e-08  
a 2.78806934488792 1.2756e-08 au
q 2.367403050052255 1.0018e-07 au
i 13.19116194495124 4.2853e-06 deg
node 155.4807147945847 1.5683e-05 deg
peri 193.2960755957512 2.0239e-05 deg
M 228.7211369398823 1.4005e-05 deg
tp 2459820.577667119555
(2022-Aug-29.07766712)
6.7318e-05 TDB
period 1700.410522757309
4.66
1.1669e-05
3.195e-08
d
yr
n .2117135804454093 1.4529e-09 deg/d
Q 3.208735639723585 1.468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1809  
   data-arc span      11480 days (31.43 yr)  
   first obs. used      1989-07-29  
   last obs. used      2021-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51844  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:03:19  

Additional Information
 Earth MOID = 1.3603 au 
 Jupiter MOID = 2.2128 au 
 T_jup = 3.275 
[ 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 13.61   n/a E2021B10  
diameter diameter 7.836 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.967 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.138   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11962 (1994 PX)          Discovered 1994-Aug-14 by Kobayashi, T. at Oizumi
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 PX = 1989 OS = 1992 EU9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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