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JPL Small-Body Database Browser
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97042 (1999 UM19)
Classification: Main-belt Asteroid          SPK-ID: 2097042
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1081612656973992 5.9886e-08  
a 3.043799257834771 2.3696e-08 au
q 2.714578077578558 1.7688e-07 au
i 4.317507077500893 5.9957e-06 deg
node 202.5344516296951 7.4828e-05 deg
peri 4.474940177526346 7.9571e-05 deg
M 68.174831093769 2.6886e-05 deg
tp 2458233.180480998018
(2018-Apr-24.68048100)
0.0001438 TDB
period 1939.645829981371
5.31
2.265e-05
6.201e-08
d
yr
n .185600893954675 2.1673e-09 deg/d
Q 3.373020438090984 2.6258e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      10449 days (28.61 yr)  
   first obs. used      1991-03-17  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58558  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:26:48  

Additional Information
 Earth MOID = 1.71034 au 
 Jupiter MOID = 1.58966 au 
 T_jup = 3.226 
[ 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 15.5   n/a MPO436447  

97042 (1999 UM19)          Discovered 1999-Oct-30 by Spacewatch at Kitt Peak
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1999 UM19 = 2002 GM23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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