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173321 (1999 VQ95)
Classification: Main-belt Asteroid          SPK-ID: 2173321
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1843562646450654 4.958e-08  
a 2.377517579747619 1.3056e-08 au
q 1.939207319617372 1.2197e-07 au
i 2.519638429831939 4.5027e-06 deg
node 52.93861221933 0.00013522 deg
peri 320.9067982484746 0.00013594 deg
M 124.7343750567728 1.5594e-05 deg
tp 2458136.553730620366
(2018-Jan-18.05373062)
5.5888e-05 TDB
period 1339.010652842481
3.67
1.1029e-05
3.02e-08
d
yr
n .2688552172723824 2.2146e-09 deg/d
Q 2.815827839877867 1.5463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      7065 days (19.34 yr)  
   first obs. used      1999-11-02  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50326  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:37:43  

Additional Information
 Earth MOID = .939958 au 
 Jupiter MOID = 2.64394 au 
 T_jup = 3.516 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456840.5 (2014-Jul-02.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1827941479590685 4.9439e-08  
q 1.943359745048403 1.215e-07 au
tp 2456795.466689955595
(2014-May-17.96668996)
5.1751e-05 TDB
node 53.01375031290461 0.00013528 deg
peri 320.5716428334503 0.00013602 deg
i 2.519089719079099 4.4983e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      7065 days (19.34 yr)  
   first obs. used      1999-11-02  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50326  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:37:43  

Additional Information
 Jupiter MOID = 2.64394 au 
 T_jup = 3.516 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.444171985789285E-15 -5.986149598719021E-15 -9.531438702652654E-13 6.276906209526648E-15 -2.736832295643523E-13 -1.049649604862105E-15
q -5.986149598719021E-15 1.476137508884949E-14 2.468207130190718E-12 -1.571252856628308E-14 7.05593096106769E-13 2.817555000573664E-15
tp -9.531438702652654E-13 2.468207130190718E-12 2.678139087329688E-9 -1.749426634812381E-11 7.760175521993045E-10 1.945844762066923E-12
node 6.276906209526648E-15 -1.571252856628308E-14 -1.749426634812381E-11 1.830014744233563E-8 -1.828671659392232E-8 -1.346485257122296E-10
peri -2.736832295643523E-13 7.05593096106769E-13 7.760175521993045E-10 -1.828671659392232E-8 1.850093758274538E-8 1.350450775611343E-10
i -1.049649604862105E-15 2.817555000573664E-15 1.945844762066923E-12 -1.346485257122296E-10 1.350450775611343E-10 2.023515269208862E-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 16.4   n/a MPO352059  
diameter diameter 3.113 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173321 (1999 VQ95)          Discovered 1999-Nov-09 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1999 VQ95 = 2006 OT11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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