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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048372128347762 3.1496e-08  
a 2.32054791133025 6.5632e-09 au
q 1.845213344923801 7.4415e-08 au
i 6.668148006268591 3.4288e-06 deg
node 175.9929600377249 2.8225e-05 deg
peri 170.7287269400516 2.9478e-05 deg
M 315.5514807081348 1.0303e-05 deg
tp 2459359.918615592229
(2021-May-25.41861559)
3.7351e-05 TDB
period 1291.172406359686
3.54
5.4777e-06
1.5e-08
d
yr
n .278816367378063 1.1829e-09 deg/d
Q 2.7958824777367 7.9075e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2055  
   data-arc span      9267 days (25.37 yr)  
   first obs. used      1995-04-23  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47261  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:14:09  

Additional Information
 Earth MOID = .837091 au 
 Jupiter MOID = 2.63254 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 14.65   n/a E2021B10  
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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