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85250 (1993 RQ16)
Classification: Main-belt Asteroid          SPK-ID: 2085250
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .240674403497137 1.262e-07  
a 3.183536965764261 4.0718e-08 au
q 2.417341105517862 3.8439e-07 au
i 11.03092511026246 9.8314e-06 deg
node 1.485050205889366 3.4743e-05 deg
peri 345.2193433967794 3.7929e-05 deg
M 187.8811861217307 1.899e-05 deg
tp 2459592.448479958757
(2022-Jan-12.94847996)
0.00012461 TDB
period 2074.738052969107
5.68
3.9804e-05
1.09e-07
d
yr
n .1735158804673259 3.3289e-09 deg/d
Q 3.94973282601066 5.0517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      348  
   data-arc span      9335 days (25.56 yr)  
   first obs. used      1993-09-15  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60929  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:32:29  

Additional Information
 Earth MOID = 1.41195 au 
 Jupiter MOID = 1.48644 au 
 T_jup = 3.125 
[ show covariance matrix ]

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 15.1   n/a MPO253864  
diameter diameter 5.300 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85250 (1993 RQ16)          Discovered 1993-Sep-15 by Debehogne, H., Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 RQ16 = 1999 TU192 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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