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70649 (1999 TB246)
Classification: Main-belt Asteroid          SPK-ID: 2070649
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2115697990598332 3.4242e-08  
a 2.699972316822707 1.7244e-08 au
q 2.128739716285414 9.0568e-08 au
i 7.525447124873346 4.8756e-06 deg
node 172.1412145255425 3.0688e-05 deg
peri 274.1816000436908 3.369e-05 deg
M 248.2002959829769 1.7862e-05 deg
tp 2459703.740455576316
(2022-May-04.24045558)
8.3654e-05 TDB
period 1620.456562030688
4.44
1.5524e-05
4.25e-08
d
yr
n .2221596113313048 2.1283e-09 deg/d
Q 3.27120491736 2.0892e-08 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      10453 days (28.62 yr)  
   first obs. used      1990-10-23  
   last obs. used      2019-06-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59543  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:58  

Additional Information
 Earth MOID = 1.1603 au 
 Jupiter MOID = 2.02046 au 
 T_jup = 3.323 
[ 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 MPO436276  
diameter diameter 4.962 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70649 (1999 TB246)          Discovered 1999-Oct-08 by CSS at Catalina
Reference: 20031109/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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