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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02368544037680296 4.0366e-08  
a 3.052852010035271 1.9194e-08 au
q 2.980543865772377 1.1815e-07 au
i 2.435767306915674 4.2662e-06 deg
node 47.50300312650621 0.00010258 deg
peri 89.57839754404712 0.00013764 deg
M 193.4456228292927 9.2016e-05 deg
tp 2460297.885577251053
(2023-Dec-19.38557725)
0.00049853 TDB
period 1948.305492312514
5.33
1.8375e-05
5.031e-08
d
yr
n .1847759509073205 1.7426e-09 deg/d
Q 3.125160154298165 1.9649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1625  
   data-arc span      11185 days (30.62 yr)  
   first obs. used      1990-11-22  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53589  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:07:11  

Additional Information
 Earth MOID = 1.99556 au 
 Jupiter MOID = 1.85381 au 
 T_jup = 3.235 
[ 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 13.44   n/a E2021B10  
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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