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70652 (1999 TB249)
Classification: Main-belt Asteroid          SPK-ID: 2070652
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1297266292707779 4.3318e-08  
a 2.845095628750878 1.5531e-08 au
q 2.476010962880002 1.2377e-07 au
i 14.87578130171028 5.4258e-06 deg
node 210.8511426312887 1.4136e-05 deg
peri 207.5079265587981 2.1871e-05 deg
M 179.8057780514715 1.7351e-05 deg
tp 2458521.022735323536
(2019-Feb-06.52273532)
8.2096e-05 TDB
period 1752.845869020435
4.80
1.4353e-05
3.93e-08
d
yr
n .2053802940478636 1.6817e-09 deg/d
Q 3.214180294621754 1.7546e-08 au
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      10633 days (29.11 yr)  
   first obs. used      1992-05-01  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51778  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:38:44  

Additional Information
 Earth MOID = 1.49494 au 
 Jupiter MOID = 2.21089 au 
 T_jup = 3.246 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457627.5 (2016-Aug-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291058016192431 4.3136e-08  
q 2.478518662757621 1.2311e-07 au
tp 2456769.520846952336
(2014-Apr-22.02084695)
8.0052e-05 TDB
node 210.8665729087907 1.4137e-05 deg
peri 208.0292406395251 2.199e-05 deg
i 14.87315980396303 5.425e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      10633 days (29.11 yr)  
   first obs. used      1992-05-01  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51778  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:38:44  

Additional Information
 Jupiter MOID = 2.21089 au 
 T_jup = 3.246 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.860752854244049E-15 -5.278636763121223E-15 -1.189952928365447E-12 -4.201644712175777E-15 -2.663629923944754E-13 2.223072701668406E-16
q -5.278636763121223E-15 1.515626344495005E-14 3.500468790377174E-12 1.155013462222681E-14 7.984325330537482E-13 -3.85443860675997E-17
tp -1.189952928365447E-12 3.500468790377174E-12 6.408270335086305E-9 3.07444226682796E-12 1.355134005048957E-9 -1.16350882925916E-11
node -4.201644712175777E-15 1.155013462222681E-14 3.07444226682796E-12 1.998674842316543E-10 -1.92140277396345E-10 -4.836865068648054E-12
peri -2.663629923944754E-13 7.984325330537482E-13 1.355134005048957E-9 -1.92140277396345E-10 4.835572729093476E-10 2.420581869422522E-12
i 2.223072701668406E-16 -3.85443860675997E-17 -1.16350882925916E-11 -4.836865068648054E-12 2.420581869422522E-12 2.943017647382861E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.82   n/a E2021B10  
diameter diameter 4.608 km 0.234 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.120   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70652 (1999 TB249)          Discovered 1999-Oct-08 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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