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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048026755798775 3.3442e-08  
a 2.319853586813519 6.6855e-09 au
q 1.844741365280534 7.8506e-08 au
i 6.668274807877681 3.7515e-06 deg
node 176.0054144142573 2.998e-05 deg
peri 170.8010164105294 3.1202e-05 deg
M 259.6898443368715 1.0241e-05 deg
tp 2459360.109945788854
(2021-May-25.60994579)
3.7569e-05 TDB
period 1290.592957693648
3.53
5.579e-06
1.527e-08
d
yr
n .2789415499704395 1.2058e-09 deg/d
Q 2.794965808346503 8.0548e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1879  
   data-arc span      9136 days (25.01 yr)  
   first obs. used      1995-04-23  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48166  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:09:19  

Additional Information
 Earth MOID = .838414 au 
 Jupiter MOID = 2.63308 au 
 T_jup = 3.541 
[ show covariance matrix ]

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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