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JPL Small-Body Database Browser
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312853 (2011 UM86)
Classification: Main-belt Asteroid          SPK-ID: 2312853
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01174266971116216 4.4966e-08  
a 2.972726643078612 3.7525e-08 au
q 2.937818895967368 1.4533e-07 au
i 9.687007587732237 5.2428e-06 deg
node 232.2624098314637 2.6176e-05 deg
peri 29.25447505578619 0.00021666 deg
M 44.70481359762443 0.0002127 deg
tp 2458768.021562659617
(2019-Oct-11.52156266)
0.0011069 TDB
period 1872.107961255096
5.13
3.5447e-05
9.705e-08
d
yr
n .1922966022529221 3.641e-09 deg/d
Q 3.007634390189856 3.7965e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      6879 days (18.83 yr)  
   first obs. used      2000-09-23  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59492  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:28  

Additional Information
 Earth MOID = 1.92655 au 
 Jupiter MOID = 1.99282 au 
 T_jup = 3.240 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01032073600918294 4.3858e-08  
q 2.940595751509917 1.4268e-07 au
tp 2456960.633433163845
(2014-Oct-30.13343316)
0.0013053 TDB
node 232.3415565090875 2.6113e-05 deg
peri 41.44218003642612 0.00025348 deg
i 9.699947318552475 5.2497e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      6879 days (18.83 yr)  
   first obs. used      2000-09-23  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59492  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:28  

Additional Information
 Jupiter MOID = 1.99282 au 
 T_jup = 3.240 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.923528841807664E-15 -6.061822792738277E-15 -7.943661457166448E-12 3.3324266997102E-15 -1.549900947446613E-12 -1.395904115016786E-15
q -6.061822792738277E-15 2.035784278459458E-14 1.531003309454785E-11 -1.116618239976814E-14 3.059637709990105E-12 6.510238585995479E-15
tp -7.943661457166448E-12 1.531003309454785E-11 1.703914872599478E-6 -1.539531071206518E-10 3.291271060607162E-7 -7.534660674280678E-11
node 3.3324266997102E-15 -1.116618239976814E-14 -1.539531071206518E-10 6.818946715649191E-10 -7.016078350710332E-10 1.891226382012328E-12
peri -1.549900947446613E-12 3.059637709990105E-12 3.291271060607162E-7 -7.016078350710332E-10 6.424997397351331E-8 -1.625934918692647E-11
i -1.395904115016786E-15 6.510238585995479E-15 -7.534660674280678E-11 1.891226382012328E-12 -1.625934918692647E-11 2.755903933153647E-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 15.5   n/a MPO437380  

312853 (2011 UM86)          Discovered 2000-Sep-23 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2141-Oct-07 05:05 00:15 Thisb 0.049748928632123 0.049693709070357 0.0498042176338329 3.12481160909265 3.12481156523279 2503323.711713778 14.6723765425301 4019.31042861876 84.2494838565133 -46.7951944632132 64342.9022228149 T 18 CATAB v2.0f-lin.ifort 2019-Sep-24 06:02:30 2019-Sep-24 06:02

Alternate Designations
 2011 UM86 = 2000 SZ134 = 2008 DZ24 = 2010 LL45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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