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70874 (1999 VR159)
Classification: Main-belt Asteroid          SPK-ID: 2070874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08295159291095733 4.0406e-08  
a 2.648371065516631 1.3538e-08 au
q 2.428684467012737 1.0612e-07 au
i 14.02501899807547 5.9577e-06 deg
node 26.84680609009313 1.8069e-05 deg
peri 44.93197821565523 4.2238e-05 deg
M 247.360941976673 3.7781e-05 deg
tp 2459493.053248404449
(2021-Oct-05.55324840)
0.00016609 TDB
period 1574.224541090176
4.31
1.2071e-05
3.305e-08
d
yr
n .2286840222619667 1.7535e-09 deg/d
Q 2.868057664020524 1.4661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      8491 days (23.25 yr)  
   first obs. used      1997-05-02  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55211  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:30:13  

Additional Information
 Earth MOID = 1.45915 au 
 Jupiter MOID = 2.41293 au 
 T_jup = 3.344 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456737.5 (2014-Mar-21.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08482482065514965 4.0871e-08  
q 2.422020770266839 1.0794e-07 au
tp 2456342.237028519376
(2013-Feb-18.73702852)
0.00015587 TDB
node 26.98553686838914 1.8037e-05 deg
peri 43.96638404986376 4.1256e-05 deg
i 14.04551730118917 5.9626e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      8491 days (23.25 yr)  
   first obs. used      1997-05-02  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55211  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:30:13  

Additional Information
 Jupiter MOID = 2.41293 au 
 T_jup = 3.344 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.670435514293901E-15 -4.383969900863384E-15 -1.786137624983149E-12 -3.353855227256894E-15 -4.164049624749052E-13 -1.935517041656416E-15
q -4.383969900863384E-15 1.165108929229349E-14 5.018483725119869E-12 8.243773555873239E-15 1.177951071032564E-12 5.452054836558361E-15
tp -1.786137624983149E-12 5.018483725119869E-12 2.429416448198866E-8 2.100377655978009E-11 5.798447090367047E-9 -9.006233130279874E-12
node -3.353855227256894E-15 8.243773555873239E-15 2.100377655978009E-11 3.253316312771336E-10 -3.102299231568475E-10 -2.210273838556771E-11
peri -4.164049624749052E-13 1.177951071032564E-12 5.798447090367047E-9 -3.102299231568475E-10 1.702093709813528E-9 1.949386236656078E-11
i -1.935517041656416E-15 5.452054836558361E-15 -9.006233130279874E-12 -2.210273838556771E-11 1.949386236656078E-11 3.555282538194009E-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 14.7   n/a MPO436278  
diameter diameter 2.962 km 0.564 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.291   0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70874 (1999 VR159)          Discovered 1999-Nov-14 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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