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17684 (1997 AS16)
Classification: Main-belt Asteroid          SPK-ID: 2017684
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02440126213528436 4.0586e-08  
a 3.049069846940421 1.8322e-08 au
q 2.974668694336436 1.1935e-07 au
i 2.438496417218083 4.4301e-06 deg
node 47.712755457409 0.00010575 deg
peri 83.6739520256267 0.00014105 deg
M 126.136581080227 9.3544e-05 deg
tp 2458319.122103644351
(2018-Jul-19.62210364)
0.00050451 TDB
period 1944.685995032775
5.32
1.7529e-05
4.799e-08
d
yr
n .1851198604399538 1.6686e-09 deg/d
Q 3.123470999544405 1.8769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1462  
   data-arc span      10397 days (28.47 yr)  
   first obs. used      1990-11-22  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53773  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:32:24  

Additional Information
 Earth MOID = 1.99013 au 
 Jupiter MOID = 1.86334 au 
 T_jup = 3.236 
[ 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 13.4   n/a MPO344443  
diameter diameter 5.386 km 0.908 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.319   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17684 (1997 AS16)          Discovered 1997-Jan-14 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 AS16 = 1992 CQ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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