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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 
[ 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 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

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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
2066-Dec-21 10:47 00:06 Hygie 0.0386578735628226 0.0386510408094366 0.0386647087556943 3.1528400691426 3.15283975214021 2476005.949402106 5.99084488113367 601.441128638155 79.1357244778599 56.3610061015124 60897.7133502623 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 22:17:34 2021-Apr-13 22:17

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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