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173330 (1999 VA187)
Classification: Main-belt Asteroid          SPK-ID: 2173330
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1963580535691325 1.041e-07  
a 2.590243000124921 1.4278e-08 au
q 2.081627926349322 2.6133e-07 au
i 11.19114762674974 7.7955e-06 deg
node 215.2637779647411 2.9417e-05 deg
peri 162.8188914769038 3.4576e-05 deg
M 41.71376446994579 2.0026e-05 deg
tp 2459024.064458841153
(2020-Jun-23.56445884)
8.385e-05 TDB
period 1522.681916252081
4.17
1.259e-05
3.447e-08
d
yr
n .2364249526822394 1.9548e-09 deg/d
Q 3.098858073900521 1.7081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      7790 days (21.33 yr)  
   first obs. used      1999-10-10  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54598  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:56:35  

Additional Information
 Earth MOID = 1.08587 au 
 Jupiter MOID = 2.37374 au 
 T_jup = 3.366 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457254.5 (2015-Aug-20.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1988474162205016 1.0484e-07  
q 2.074370725520445 2.6408e-07 au
tp 2457500.160856353245
(2016-Apr-21.66085635)
7.5967e-05 TDB
node 215.3287410621873 2.9361e-05 deg
peri 162.4987157821232 3.4356e-05 deg
i 11.20460011211018 7.8026e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      7790 days (21.33 yr)  
   first obs. used      1999-10-10  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54598  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:56:35  

Additional Information
 Jupiter MOID = 2.37374 au 
 T_jup = 3.366 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.099116702171193E-14 -2.767393380539266E-14 4.214159302947849E-12 -4.364895635142717E-14 5.257565026712898E-13 -5.801997695237284E-14
q -2.767393380539266E-14 6.973860324110487E-14 -1.052399337296907E-11 1.094018823104831E-13 -1.306037756215934E-12 1.464605836339795E-13
tp 4.214159302947849E-12 -1.052399337296907E-11 5.770932874271168E-9 -1.065754451097663E-12 1.331411010682989E-9 -4.109404501700168E-11
node -4.364895635142717E-14 1.094018823104831E-13 -1.065754451097663E-12 8.620946705459455E-10 -8.42006348408423E-10 6.503909267138308E-11
peri 5.257565026712898E-13 -1.306037756215934E-12 1.331411010682989E-9 -8.42006348408423E-10 1.180305606906509E-9 -7.171298199558528E-11
i -5.801997695237284E-14 1.464605836339795E-13 -4.109404501700168E-11 6.503909267138308E-11 -7.171298199558528E-11 6.088059874007557E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.50   n/a MPCxxxxx  

173330 (1999 VA187)          Discovered 1999-Nov-15 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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