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187371 (2005 UO318)
Classification: Main-belt Asteroid          SPK-ID: 2187371
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06071337421068407 4.1916e-08  
a 3.082098248896058 2.9527e-08 au
q 2.894973664556737 1.3409e-07 au
i 1.922871899483047 4.9661e-06 deg
node 269.1748227899549 0.0001667 deg
peri 163.164501115955 0.00017437 deg
M 262.1392318870207 5.3136e-05 deg
tp 2459737.747328273868
(2022-Jun-07.24732827)
0.00029449 TDB
period 1976.369508517484
5.41
2.8401e-05
7.776e-08
d
yr
n .1821521726825484 2.6175e-09 deg/d
Q 3.269222833235378 3.1319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      9487 days (25.97 yr)  
   first obs. used      1994-10-27  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55303  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:08  

Additional Information
 Earth MOID = 1.90917 au 
 Jupiter MOID = 1.90861 au 
 T_jup = 3.224 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457249.5 (2015-Aug-15.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06443310638124397 4.2715e-08  
q 2.881752590247044 1.3801e-07 au
tp 2457741.516918246111
(2016-Dec-19.01691825)
0.00026318 TDB
node 269.3204249462375 0.00016643 deg
peri 159.5571352537268 0.00017305 deg
i 1.924553730307039 4.968e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      9487 days (25.97 yr)  
   first obs. used      1994-10-27  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55303  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:08  

Additional Information
 Jupiter MOID = 1.90861 au 
 T_jup = 3.224 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.824584613502004E-15 -5.784531503260653E-15 -8.180072473237138E-13 -2.746873774029698E-15 -1.300723459355369E-13 1.631004510415784E-16
q -5.784531503260653E-15 1.904773727057347E-14 4.863444599125242E-12 1.327823978622181E-14 7.815973221445703E-13 -2.285427751656104E-17
tp -8.180072473237138E-13 4.863444599125242E-12 6.926379358050304E-8 -2.059187694877231E-11 1.251667520279484E-8 -1.219273552532164E-13
node -2.746873774029698E-15 1.327823978622181E-14 -2.059187694877231E-11 2.770041969711016E-8 -2.768851750413791E-8 1.05684463009395E-10
peri -1.300723459355369E-13 7.815973221445703E-13 1.251667520279484E-8 -2.768851750413791E-8 2.994705768447664E-8 -1.056529552491954E-10
i 1.631004510415784E-16 -2.285427751656104E-17 -1.219273552532164E-13 1.05684463009395E-10 -1.056529552491954E-10 2.468078983256752E-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 15.80   n/a E2021B55  

187371 (2005 UO318)          Discovered 2005-Oct-27 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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