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14970 (1997 QA2)
Classification: Main-belt Asteroid          SPK-ID: 2014970
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .031022301934683 3.1657e-08  
a 2.768139516302455 1.2154e-08 au
q 2.682265456430393 8.4695e-08 au
i 4.045384047537545 3.0428e-06 deg
node 266.092247106956 6.9456e-05 deg
peri 351.7875519253612 0.00010669 deg
M 118.7240732398008 8.1577e-05 deg
tp 2458645.725262090129
(2019-Jun-11.22526209)
0.00038087 TDB
period 1682.210694070091
4.61
1.108e-05
3.034e-08
d
yr
n .2140041085632287 1.4095e-09 deg/d
Q 2.854013576174517 1.2532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1317  
   data-arc span      11352 days (31.08 yr)  
   first obs. used      1989-12-07  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51354  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:43:59  

Additional Information
 Earth MOID = 1.66529 au 
 Jupiter MOID = 2.15919 au 
 T_jup = 3.334 
[ 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 14.59   n/a E2021B10  
diameter diameter 3.469 km 0.738 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.280   0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14970 (1997 QA2)          Discovered 1997-Aug-25 by Sugie, A. at Dynic
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 QA2 = 1990 BA5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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