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192784 (1999 UH27)
Classification: Main-belt Asteroid          SPK-ID: 2192784
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09115689712588169 3.8128e-08  
a 2.653320026646056 1.9261e-08 au
q 2.41145160593504 1.0275e-07 au
i 5.637131340407253 5.1257e-06 deg
node 357.8800718454816 4.2201e-05 deg
peri 69.62429603284485 5.6255e-05 deg
M 313.4301063702699 4.2617e-05 deg
tp 2459600.714052893698
(2022-Jan-21.21405289)
0.00018829 TDB
period 1578.639187502852
4.32
1.7189e-05
4.706e-08
d
yr
n .2280445100121079 2.4831e-09 deg/d
Q 2.895188447357072 2.1017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      7641 days (20.92 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-08-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:33  

Additional Information
 Earth MOID = 1.43172 au 
 Jupiter MOID = 2.34225 au 
 T_jup = 3.376 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457389.5 (2016-Jan-02.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09380132865987864 3.8572e-08  
q 2.404225799833218 1.0449e-07 au
tp 2458016.908441860412
(2017-Sep-20.40844186)
0.00017163 TDB
node 358.0742657114636 4.2266e-05 deg
peri 68.57156127675927 5.5402e-05 deg
i 5.634075504746963 5.1227e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      7641 days (20.92 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-08-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:33  

Additional Information
 Jupiter MOID = 2.34225 au 
 T_jup = 3.376 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.487798626895999E-15 -3.974520742149601E-15 -1.002984594883556E-12 -9.633075099291034E-15 -2.184598668947169E-13 1.214196157317273E-15
q -3.974520742149601E-15 1.091882007208089E-14 4.426507440315873E-12 2.82738009232019E-14 9.257607313906289E-13 -2.93134492734505E-15
tp -1.002984594883556E-12 4.426507440315873E-12 2.945840202225818E-8 3.522195202424418E-11 6.159860846762139E-9 -2.644848986099765E-12
node -9.633075099291034E-15 2.82738009232019E-14 3.522195202424418E-11 1.786439308971658E-9 -1.769765923731643E-9 1.670337042329064E-11
peri -2.184598668947169E-13 9.257607313906289E-13 6.159860846762139E-9 -1.769765923731643E-9 3.069410058655375E-9 -1.722636741851015E-11
i 1.214196157317273E-15 -2.93134492734505E-15 -2.644848986099765E-12 1.670337042329064E-11 -1.722636741851015E-11 2.624175576866848E-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 15.82   n/a E2021B55  

192784 (1999 UH27)          Discovered 1999-Oct-30 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1999 UH27 = 1999 TM323 = 1999 TS50 = 2001 BQ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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