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27979 (1997 UH19)
Classification: Main-belt Asteroid          SPK-ID: 2027979
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04454692805551844 6.6042e-08  
a 2.988942170156371 2.2892e-08 au
q 2.85579397834031 2.0058e-07 au
i 2.757923503481729 6.3267e-06 deg
node 120.3327630822428 0.00015395 deg
peri 106.6753834104122 0.00017692 deg
M 315.0659113500192 9.0533e-05 deg
tp 2459236.085269932871
(2021-Jan-21.58526993)
0.00047544 TDB
period 1887.446696348425
5.17
2.1684e-05
5.937e-08
d
yr
n .1907338632113315 2.1912e-09 deg/d
Q 3.122090361972432 2.3912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      9928 days (27.18 yr)  
   first obs. used      1992-11-26  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:14:08  

Additional Information
 Earth MOID = 1.84724 au 
 Jupiter MOID = 1.85102 au 
 T_jup = 3.253 
[ 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 15.2   n/a MPO337494  

27979 (1997 UH19)          Discovered 1997-Oct-28 by Spacewatch at Kitt Peak
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 UH19 = 2000 HY87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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