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16694 (1995 AJ)
Classification: Main-belt Asteroid          SPK-ID: 2016694
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2070724404314739 9.1576e-09  
a 2.237219562635642 5.6788e-09 au
q 1.773953048019645 2.1203e-08 au
i 6.418844536584684 7.2623e-07 deg
node 286.016964491609 1.7093e-06 deg
peri 39.47667653574322 4.5045e-06 deg
M 46.31864916205627 4.0819e-06 deg
tp 2459043.241284657380
(2020-Jul-12.74128466)
1.4054e-05 TDB
period 1222.253639679114
3.35
4.6537e-06
1.274e-08
d
yr
n .2945378833926101 1.1215e-09 deg/d
Q 2.700486077251639 6.8547e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2683  
   data-arc span      11689 days (32.00 yr)  
   first obs. used      1989-03-09  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42663  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:39:04  

Additional Information
 Earth MOID = .765182 au 
 Jupiter MOID = 2.63537 au 
 T_jup = 3.601 
[ 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 14.03   n/a E2021B10  
diameter diameter 4.055 km 0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 530.713 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.386   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

16694 (1995 AJ)          Discovered 1995-Jan-02 by Kobayashi, T. at Oizumi
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1995 AJ = 1990 TH15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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