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175874 (1999 VQ139)
Classification: Main-belt Asteroid          SPK-ID: 2175874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07693719065356408 4.9194e-08  
a 2.310685592568375 1.1553e-08 au
q 2.132907934592498 1.1199e-07 au
i 1.769003123505548 4.5954e-06 deg
node 323.1697327441443 0.00017952 deg
peri 275.6185546269862 0.00018229 deg
M 156.4901384731805 3.1412e-05 deg
tp 2458642.808294071002
(2019-Jun-08.30829407)
0.00011192 TDB
period 1282.949942362327
3.51
9.622e-06
2.634e-08
d
yr
n .2806033096950949 2.1045e-09 deg/d
Q 2.488463250544251 1.2442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      9247 days (25.32 yr)  
   first obs. used      1995-07-22  
   last obs. used      2020-11-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5467  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:10  

Additional Information
 Earth MOID = 1.12 au 
 Jupiter MOID = 2.50516 au 
 T_jup = 3.580 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457533.5 (2016-May-25.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07633485841688858 4.9226e-08  
q 2.134679202066795 1.12e-07 au
tp 2457360.378620684859
(2015-Dec-03.87862068)
0.00011365 TDB
node 323.2346591769715 0.00017961 deg
peri 275.884002805437 0.00018243 deg
i 1.768427677279632 4.5948e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      9247 days (25.32 yr)  
   first obs. used      1995-07-22  
   last obs. used      2020-11-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5467  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:10  

Additional Information
 Jupiter MOID = 2.50516 au 
 T_jup = 3.580 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.423188765205661E-15 -5.489264709733031E-15 -1.915839009347222E-12 -4.101930043118644E-14 -4.853551236985588E-13 -1.393563234023239E-15
q -5.489264709733031E-15 1.254488396926236E-14 4.294959296921013E-12 9.370180593946147E-14 1.090337888223884E-12 3.252625388426339E-15
tp -1.915839009347222E-12 4.294959296921013E-12 1.291667921295284E-8 3.569451919839162E-11 3.664075652884047E-9 9.231915889156802E-13
node -4.101930043118644E-14 9.370180593946147E-14 3.569451919839162E-11 3.225801263662942E-8 -3.223256735480809E-8 2.351509596483941E-10
peri -4.853551236985588E-13 1.090337888223884E-12 3.664075652884047E-9 -3.223256735480809E-8 3.327925749218468E-8 -2.348024959151424E-10
i -1.393563234023239E-15 3.252625388426339E-15 9.231915889156802E-13 2.351509596483941E-10 -2.348024959151424E-10 2.111209486861662E-11

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 17.5   n/a MPO433135  

175874 (1999 VQ139)          Discovered 1999-Nov-10 by Spacewatch at Kitt Peak
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 1999 VQ139 = 2006 WY69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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