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26853 (1992 UQ2)
Classification: Main-belt Asteroid          SPK-ID: 2026853
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2152586995388818 5.0085e-08  
a 2.463623135486559 1.3056e-08 au
q 1.93330682318782 1.2613e-07 au
i 24.55387534202364 4.7455e-06 deg
node 44.22932289898202 1.0611e-05 deg
peri 322.4218320062721 1.3476e-05 deg
M 317.4564930991244 8.8712e-06 deg
tp 2458767.413176873406
(2019-Oct-10.91317687)
3.4628e-05 TDB
period 1412.406922974874
3.87
1.1228e-05
3.074e-08
d
yr
n .2548840522827175 2.0261e-09 deg/d
Q 2.993939447785298 1.5866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1766  
   data-arc span      10899 days (29.84 yr)  
   first obs. used      1990-01-26  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46501  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:57:48  

Additional Information
 Earth MOID = .973722 au 
 Jupiter MOID = 2.5378 au 
 T_jup = 3.334 
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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 12.9   n/a MPO431810  
diameter diameter 6.182 km 0.328 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.270 h n/a LCDB (Rev. 2019-January); 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:
[Warner, B.D. (2010) Minor Planet Bull. 37, 150-151.]
geometric albedo albedo 0.223   0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

26853 (1992 UQ2)          Discovered 1992-Oct-20 by Holt, H. E. at Palomar
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1992 UQ2 = 1969 XC = 1998 DM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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