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21835 (1999 TN96)
Classification: Main-belt Asteroid          SPK-ID: 2021835
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .145212620147818 3.9167e-08  
a 3.137279495240083 1.7433e-08 au
q 2.681706919600247 1.3014e-07 au
i 6.302685015864243 4.1684e-06 deg
node 105.7758779325103 3.3956e-05 deg
peri 191.1600661285548 3.7113e-05 deg
M 355.7748169005277 1.3477e-05 deg
tp 2459224.321619125829
(2021-Jan-09.82161913)
7.5984e-05 TDB
period 2029.683136423042
5.56
1.6917e-05
4.632e-08
d
yr
n .1773675868610883 1.4783e-09 deg/d
Q 3.592852070879919 1.9964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1540  
   data-arc span      10359 days (28.36 yr)  
   first obs. used      1992-05-06  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:54:42  

Additional Information
 Earth MOID = 1.66415 au 
 Jupiter MOID = 1.61184 au 
 T_jup = 3.186 
[ 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 13.67   n/a E2021B10  
diameter diameter 9.534 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21835 (1999 TN96)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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