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21278 (1996 TG6)
Classification: Main-belt Asteroid          SPK-ID: 2021278
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1295046800298337 3.5515e-08  
a 2.269229171964819 7.468e-09 au
q 1.975353374135151 7.9832e-08 au
i 5.731956145800186 4.082e-06 deg
node 350.3610216178641 3.4383e-05 deg
peri 221.7022949705355 3.7478e-05 deg
M 228.3790105513508 1.5935e-05 deg
tp 2459656.997721625858
(2022-Mar-18.49772163)
5.6084e-05 TDB
period 1248.57882070112
3.42
6.1636e-06
1.688e-08
d
yr
n .2883278124146361 1.4233e-09 deg/d
Q 2.563104969794488 8.4352e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1579  
   data-arc span      10913 days (29.88 yr)  
   first obs. used      1991-04-09  
   last obs. used      2021-02-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52764  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:42:50  

Additional Information
 Earth MOID = .973431 au 
 Jupiter MOID = 2.41381 au 
 T_jup = 3.596 
[ 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 14.83   n/a E2021B10  
diameter diameter 3.336 km 0.797 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.241   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

21278 (1996 TG6)          Discovered 1996-Oct-05 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 TG6 = 1999 RC27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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