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216478 (1999 TP207)
Classification: Main-belt Asteroid          SPK-ID: 2216478
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07140453176983787 5.1383e-08  
a 3.095942633442595 3.984e-08 au
q 2.874878299315348 1.7889e-07 au
i 15.45871564539487 8.7854e-06 deg
node 299.0986425154323 1.9319e-05 deg
peri 125.6649046961833 9.2396e-05 deg
M 283.1586860906996 9.3653e-05 deg
tp 2459625.197853050330
(2022-Feb-14.69785305)
0.00052308 TDB
period 1989.700843462722
5.45
3.8406e-05
1.051e-07
d
yr
n .1809317220640485 3.4924e-09 deg/d
Q 3.317006967569843 4.2684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      7722 days (21.14 yr)  
   first obs. used      1999-10-14  
   last obs. used      2020-12-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52645  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:58  

Additional Information
 Earth MOID = 1.91824 au 
 Jupiter MOID = 1.90916 au 
 T_jup = 3.164 
[ 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 15.1   n/a MPO433417  
diameter diameter 4.790 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216478 (1999 TP207)          Discovered 1999-Oct-14 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Alternate Designations
 1999 TP207 = 2000 YC99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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