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11992 (1995 XH)
Classification: Main-belt Asteroid          SPK-ID: 2011992
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1060475848522407 4.069e-08  
a 2.785227901661837 1.3778e-08 au
q 2.489861209427525 1.1453e-07 au
i 4.21885788019651 3.7556e-06 deg
node 53.28970864484464 5.5819e-05 deg
peri 311.9115679565589 5.8469e-05 deg
M 213.1243521438743 1.9487e-05 deg
tp 2459893.186665089477
(2022-Nov-09.68666509)
9.3402e-05 TDB
period 1697.811741238979
4.65
1.2598e-05
3.449e-08
d
yr
n .2120376430765462 1.5733e-09 deg/d
Q 3.080594593896148 1.5239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2094  
   data-arc span      17118 days (46.87 yr)  
   first obs. used      1974-04-24  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:04:05  

Additional Information
 Earth MOID = 1.48911 au 
 Jupiter MOID = 2.38032 au 
 T_jup = 3.319 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.62   n/a E2021B10  
diameter diameter 4.482 km 0.607 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.782 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 0.421   0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11992 (1995 XH)          Discovered 1995-Dec-02 by Kobayashi, T. at Oizumi
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1995 XH = 1974 HX1 = 1992 EM5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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