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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1294794266896749 4.5508e-08  
a 2.846108390768658 1.711e-08 au
q 2.477595908035259 1.2826e-07 au
i 14.87252983579097 5.8099e-06 deg
node 210.8534470785737 1.7595e-05 deg
peri 207.6475147446642 2.9898e-05 deg
M 98.34060245160653 2.2028e-05 deg
tp 2458521.422312966990
(2019-Feb-06.92231297)
0.00010748 TDB
period 1753.781886955139
4.80
1.5815e-05
4.33e-08
d
yr
n .2052706797109307 1.851e-09 deg/d
Q 3.214620873502056 1.9325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      10249 days (28.06 yr)  
   first obs. used      1992-05-01  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52975  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:59:46  

Additional Information
 Earth MOID = 1.49711 au 
 Jupiter MOID = 2.20842 au 
 T_jup = 3.246 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457025.5 (2015-Jan-03.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278819238631404 4.5072e-08  
q 2.484347000935992 1.266e-07 au
tp 2456770.147313210129
(2014-Apr-22.64731321)
0.00011194 TDB
node 210.9418090361712 1.7624e-05 deg
peri 208.3254207667583 3.0233e-05 deg
i 14.85329784473704 5.804e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      10249 days (28.06 yr)  
   first obs. used      1992-05-01  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52975  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:59:46  

Additional Information
 Jupiter MOID = 2.20842 au 
 T_jup = 3.246 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.031482484877762E-15 -5.666534103972836E-15 -2.200625382265928E-12 -3.278034009924744E-15 -5.032621667136197E-13 1.995305854128217E-15
q -5.666534103972836E-15 1.602737887695084E-14 5.848168659555828E-12 7.46204757596278E-15 1.350767200512047E-12 -5.222201390719234E-15
tp -2.200625382265928E-12 5.848168659555828E-12 1.253007839107718E-8 1.863917763921795E-11 2.768030102054353E-9 -2.27541302885012E-11
node -3.278034009924744E-15 7.46204757596278E-15 1.863917763921795E-11 3.106059092659348E-10 -2.959418190744864E-10 -2.608792566338328E-11
peri -5.032621667136197E-13 1.350767200512047E-12 2.768030102054353E-9 -2.959418190744864E-10 9.140263495340377E-10 2.027582494066206E-11
i 1.995305854128217E-15 -5.222201390719234E-15 -2.27541302885012E-11 -2.608792566338328E-11 2.027582494066206E-11 3.368639335929546E-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 14.8   n/a MPO366061  
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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