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70503 (1999 TN98)
Classification: Main-belt Asteroid          SPK-ID: 2070503
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0685336702128353 3.7889e-08  
a 2.396211190205406 9.2849e-09 au
q 2.231990042735563 9.092e-08 au
i 8.098805985213279 3.328e-06 deg
node 147.5479882605038 3.2003e-05 deg
peri 286.1367243953741 4.3848e-05 deg
M 208.3199793571437 3.2168e-05 deg
tp 2459771.336774048698
(2022-Jul-10.83677405)
0.00012256 TDB
period 1354.833931236083
3.71
7.8746e-06
2.156e-08
d
yr
n .2657152228772082 1.5444e-09 deg/d
Q 2.560432337675249 9.9212e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1242  
   data-arc span      8549 days (23.41 yr)  
   first obs. used      1997-02-15  
   last obs. used      2020-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54981  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:21  

Additional Information
 Earth MOID = 1.26267 au 
 Jupiter MOID = 2.58967 au 
 T_jup = 3.512 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO385262  
diameter diameter 2.804 km 0.545 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.205   0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70503 (1999 TN98)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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