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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2152586996836424 5.0073e-08  
a 2.463623135165853 1.3037e-08 au
q 1.933306822579513 1.261e-07 au
i 24.55387533128312 4.7453e-06 deg
node 44.22932273013711 1.0545e-05 deg
peri 322.4218317664253 1.3408e-05 deg
M 317.4564936984411 8.7732e-06 deg
tp 2458767.413174489482
(2019-Oct-10.91317449)
3.423e-05 TDB
period 1412.40692269908
3.87
1.1211e-05
3.069e-08
d
yr
n .2548840523324875 2.0231e-09 deg/d
Q 2.993939447752192 1.5843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1801  
   data-arc span      10900 days (29.84 yr)  
   first obs. used      1990-01-26  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46143  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:32:11  

Additional Information
 Earth MOID = .973722 au 
 Jupiter MOID = 2.5378 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457110.5 (2015-Mar-29.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2171349527319221 5.0312e-08  
q 1.928207092914741 1.2696e-07 au
tp 2457353.752030782081
(2015-Nov-27.25203078)
3.6685e-05 TDB
node 44.25495487302321 1.0548e-05 deg
peri 322.1822098432945 1.3321e-05 deg
i 24.55940279653209 4.7493e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1801  
   data-arc span      10900 days (29.84 yr)  
   first obs. used      1990-01-26  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46143  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:32:11  

Additional Information
 Jupiter MOID = 2.5378 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.531276889323994E-15 -6.368314662956655E-15 5.493987279351363E-14 -6.424383060734911E-15 -1.484733220587362E-14 4.075707915394425E-15
q -6.368314662956655E-15 1.611931034611264E-14 -2.902454219303929E-13 1.465160975665651E-14 2.349176020947336E-15 -8.813676928847706E-15
tp 5.493987279351363E-14 -2.902454219303929E-13 1.345820294123499E-9 7.090624318121971E-12 3.195011758995123E-10 -6.421580843950106E-12
node -6.424383060734911E-15 1.465160975665651E-14 7.090624318121971E-12 1.11265732250885E-10 -9.921401270538513E-11 -1.771050187783453E-11
peri -1.484733220587362E-14 2.349176020947336E-15 3.195011758995123E-10 -9.921401270538513E-11 1.774558786339423E-10 1.450373239260088E-11
i 4.075707915394425E-15 -8.813676928847706E-15 -6.421580843950106E-12 -1.771050187783453E-11 1.450373239260088E-11 2.255614970110843E-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 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

[ 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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