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70484 (1999 TT49)
Classification: Main-belt Asteroid          SPK-ID: 2070484
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03452694770712422 3.3696e-08  
a 2.596969260468968 1.1508e-08 au
q 2.507303838615747 9.1833e-08 au
i 14.21421747971345 6.8161e-06 deg
node 187.7722582087368 1.3983e-05 deg
peri 267.037943650632 0.00010871 deg
M 302.9511322086819 0.00010594 deg
tp 2459442.738500450790
(2021-Aug-16.23850045)
0.00044963 TDB
period 1528.616842691409
4.19
1.0161e-05
2.782e-08
d
yr
n .2355070217374776 1.5654e-09 deg/d
Q 2.686634682322189 1.1905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1239  
   data-arc span      7854 days (21.50 yr)  
   first obs. used      1999-09-05  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53095  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:00  

Additional Information
 Earth MOID = 1.56363 au 
 Jupiter MOID = 2.36515 au 
 T_jup = 3.372 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457369.5 (2015-Dec-13.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03428424694405762 3.4267e-08  
q 2.5087979968849 9.3142e-08 au
tp 2457900.983336972876
(2017-May-27.48333697)
0.00045368 TDB
node 187.8754192604293 1.3966e-05 deg
peri 264.0364071300953 0.00010933 deg
i 14.22047182663565 6.8201e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1239  
   data-arc span      7854 days (21.50 yr)  
   first obs. used      1999-09-05  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53095  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:00  

Additional Information
 Jupiter MOID = 2.36515 au 
 T_jup = 3.372 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.17423331979878E-15 -3.17135317456863E-15 -4.032260140608417E-12 6.082630892716466E-15 -9.186839077447096E-13 -2.842646241213126E-15
q -3.17135317456863E-15 8.675463459259429E-15 9.897929356083049E-12 -1.584120792713496E-14 2.235436914491468E-12 8.760806599348228E-15
tp -4.032260140608417E-12 9.897929356083049E-12 2.058277142137321E-7 -1.579812729442223E-10 4.919633299133303E-8 6.290506966038644E-11
node 6.082630892716466E-15 -1.584120792713496E-14 -1.579812729442223E-10 1.950403186079323E-10 -2.260459708467361E-10 2.800103865494671E-11
peri -9.186839077447096E-13 2.235436914491468E-12 4.919633299133303E-8 -2.260459708467361E-10 1.195230122506199E-8 -1.238011212464565E-11
i -2.842646241213126E-15 8.760806599348228E-15 6.290506966038644E-11 2.800103865494671E-11 -1.238011212464565E-11 4.651361180581238E-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 14.84   n/a E2021B10  
diameter diameter 2.580 km 0.454 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.211   0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70484 (1999 TT49)          Discovered 1999-Oct-04 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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