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129970 (1999 UH19)
Classification: Main-belt Asteroid          SPK-ID: 2129970
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 .03348357260447959 4.1894e-08  
a 2.563476295813053 1.3548e-08 au
q 2.477641951142334 1.1476e-07 au
i .7149475332066646 3.3573e-06 deg
node 74.7667436798592 0.00038973 deg
peri 331.8793869794624 0.00039717 deg
M 352.7107985235944 7.8635e-05 deg
tp 2459030.854273257615
(2020-Jun-30.35427326)
0.00032756 TDB
period 1499.140668304015
4.10
1.1885e-05
3.254e-08
d
yr
n .2401375718846115 1.9037e-09 deg/d
Q 2.649310640483772 1.4002e-08 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      7327 days (20.06 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52126  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 15:19:46  

Additional Information
 Earth MOID = 1.48638 au 
 Jupiter MOID = 2.45703 au 
 T_jup = 3.433 
[ 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 16.1   n/a MPO449743  

129970 (1999 UH19)          Discovered 1999-Oct-30 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1999 UH19 = 2001 DH77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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