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10291 (1985 UT)
Classification: Main-belt Asteroid          SPK-ID: 2010291
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1105593634667851 3.352e-08  
a 2.983943355580683 1.4766e-08 au
q 2.654040477566739 1.0214e-07 au
i 8.099542092567935 4.0169e-06 deg
node 57.60057306160109 2.691e-05 deg
peri 256.4555056655103 3.3388e-05 deg
M 315.3750293840124 2.2143e-05 deg
tp 2459233.877901927308
(2021-Jan-19.37790193)
0.00011643 TDB
period 1882.713725837857
5.15
1.3975e-05
3.826e-08
d
yr
n .1912133507391255 1.4194e-09 deg/d
Q 3.313846233594626 1.6399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2340  
   data-arc span      16382 days (44.85 yr)  
   first obs. used      1975-12-01  
   last obs. used      2020-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47431  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:07:21  

Additional Information
 Earth MOID = 1.65509 au 
 Jupiter MOID = 1.95947 au 
 T_jup = 3.234 
[ 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 12.6   n/a MPO395101  
diameter diameter 22.098 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 55.354 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.069   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

10291 (1985 UT)          Discovered 1985-Oct-20 by Mrkos, A. at Klet
Reference: 19990402/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1985 UT = 1975 XM1 = 1998 BO33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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