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JPL Small-Body Database Browser
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20143 (1996 RQ16)
Classification: Main-belt Asteroid          SPK-ID: 2020143
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048026777815407 3.6719e-08  
a 2.319853587265975 6.9081e-09 au
q 1.84474136053279 8.5464e-08 au
i 6.668274071530131 4.0664e-06 deg
node 176.0054223167105 3.3304e-05 deg
peri 170.801007735567 3.451e-05 deg
M 259.6898446793451 1.0373e-05 deg
tp 2459360.109944666298
(2021-May-25.60994467)
3.7969e-05 TDB
period 1290.592958071217
3.53
5.7647e-06
1.578e-08
d
yr
n .2789415498888339 1.246e-09 deg/d
Q 2.794965813999159 8.3229e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1779  
   data-arc span      9047 days (24.77 yr)  
   first obs. used      1995-04-23  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4925  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:01:51  

Additional Information
 Earth MOID = .838414 au 
 Jupiter MOID = 2.63308 au 
 T_jup = 3.541 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456599.5 (2013-Nov-03.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2043858798406329 3.6786e-08  
q 1.846200082395512 8.5643e-08 au
tp 2456776.236351515035
(2014-Apr-28.73635152)
3.3774e-05 TDB
node 176.0508128073599 3.3355e-05 deg
peri 170.3382388355809 3.4556e-05 deg
i 6.660757826421758 4.0655e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1779  
   data-arc span      9047 days (24.77 yr)  
   first obs. used      1995-04-23  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4925  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:01:51  

Additional Information
 Jupiter MOID = 2.63308 au 
 T_jup = 3.541 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.353224165310099E-15 -3.143876588376682E-15 -3.118403784421149E-13 1.137160865397295E-15 -9.111643212415696E-14 -1.8474635315743E-15
q -3.143876588376682E-15 7.334785648719469E-15 7.688307375896119E-13 -2.143384293519609E-15 2.209747792563754E-13 4.282366828827905E-15
tp -3.118403784421149E-13 7.688307375896119E-13 1.140674954960032E-9 4.337904802832893E-12 3.185059752348045E-10 5.081393015185162E-14
node 1.137160865397295E-15 -2.143384293519609E-15 4.337904802832893E-12 1.112524465274192E-9 -1.103427340544622E-9 -2.731231454426504E-11
peri -9.111643212415696E-14 2.209747792563754E-13 3.185059752348045E-10 -1.103427340544622E-9 1.194132692245037E-9 2.721654912945186E-11
i -1.8474635315743E-15 4.282366828827905E-15 5.081393015185162E-14 -2.731231454426504E-11 2.721654912945186E-11 1.652827233286077E-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 14.6   n/a MPO337428  
diameter diameter 3.024 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.212   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20143 (1996 RQ16)          Discovered 1996-Sep-13 by Spacewatch at Kitt Peak
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 RQ16 = 1998 DO4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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