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187812 (1999 TU131)
Classification: Main-belt Asteroid          SPK-ID: 2187812
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1785310707528764 5.8848e-08  
a 3.026072672078759 2.1896e-08 au
q 2.48582467775652 1.8086e-07 au
i 3.876252965415757 6.7674e-06 deg
node 198.2514620224616 5.4071e-05 deg
peri 192.7039828331613 5.6539e-05 deg
M 356.9768488416785 1.3163e-05 deg
tp 2459216.646366976386
(2021-Jan-02.14636698)
7.0282e-05 TDB
period 1922.726257170072
5.26
2.0868e-05
5.713e-08
d
yr
n .1872341414476022 2.0322e-09 deg/d
Q 3.566320666400997 2.5805e-08 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      7768 days (21.27 yr)  
   first obs. used      1999-09-30  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5308  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:56  

Additional Information
 Earth MOID = 1.49039 au 
 Jupiter MOID = 1.87611 au 
 T_jup = 3.217 
[ 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 16.08   n/a E2021B55  

187812 (1999 TU131)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ show close-approach data ]
Alternate Designations
 1999 TU131 = 2004 RV95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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