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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2153871228714074 4.9405e-08  
a 2.463902110434507 1.2849e-08 au
q 1.93320932383123 1.243e-07 au
i 24.5521917023557 4.7288e-06 deg
node 44.22754508241324 9.8408e-06 deg
peri 322.4643838342593 1.2792e-05 deg
M 59.37255253354811 7.9632e-06 deg
tp 2458767.520976394422
(2019-Oct-11.02097639)
3.1581e-05 TDB
period 1412.646836273656
3.87
1.105e-05
3.025e-08
d
yr
n .2548407646950347 1.9935e-09 deg/d
Q 2.994594897037785 1.5617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1917  
   data-arc span      10967 days (30.03 yr)  
   first obs. used      1990-01-26  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44703  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:52:48  

Additional Information
 Earth MOID = .974222 au 
 Jupiter MOID = 2.53969 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457277.5 (2015-Sep-12.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2171487260035838 4.967e-08  
q 1.928336887333556 1.2513e-07 au
tp 2457353.701444021193
(2015-Nov-27.20144402)
3.4946e-05 TDB
node 44.25107142932045 9.8429e-06 deg
peri 322.1636214419166 1.2704e-05 deg
i 24.55906059474726 4.7329e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1917  
   data-arc span      10967 days (30.03 yr)  
   first obs. used      1990-01-26  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44703  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:52:48  

Additional Information
 Jupiter MOID = 2.53969 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.467109617739512E-15 -6.196302550969578E-15 1.289861605110916E-13 6.86955329878302E-15 -1.289504346994193E-14 2.529053798996931E-15
q -6.196302550969578E-15 1.565800263672545E-14 -4.915876475728469E-13 -1.947867242782917E-14 -4.808893016183755E-15 -4.789953966876103E-15
tp 1.289861605110916E-13 -4.915876475728469E-13 1.221248303541137E-9 6.312050206947393E-12 2.965487661166963E-10 -5.866940657025311E-12
node 6.86955329878302E-15 -1.947867242782917E-14 6.312050206947393E-12 9.688259442975744E-11 -8.630841459789742E-11 -1.63881979353624E-11
peri -1.289504346994193E-14 -4.808893016183755E-15 2.965487661166963E-10 -8.630841459789742E-11 1.613815704078547E-10 1.340923335733225E-11
i 2.529053798996931E-15 -4.789953966876103E-15 -5.866940657025311E-12 -1.63881979353624E-11 1.340923335733225E-11 2.240072970737286E-11

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 13.0   n/a MPO502358  
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-August); 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

[ show close-approach data ]
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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