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70487 (1999 TZ52)
Classification: Main-belt Asteroid          SPK-ID: 2070487
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08028262971178557 3.9518e-08  
a 2.275273426805914 7.54e-09 au
q 2.092608492788589 9.0136e-08 au
i 4.753777180109769 3.5317e-06 deg
node 149.1036937040513 4.8682e-05 deg
peri 61.61058256427525 5.2188e-05 deg
M 179.6186365293155 1.9644e-05 deg
tp 2458575.042631240335
(2019-Apr-01.54263124)
6.7746e-05 TDB
period 1253.570660061939
3.43
6.2313e-06
1.706e-08
d
yr
n .2871796632367037 1.4275e-09 deg/d
Q 2.457938360823238 8.1453e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1145  
   data-arc span      8382 days (22.95 yr)  
   first obs. used      1998-03-03  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51938  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:01  

Additional Information
 Earth MOID = 1.09135 au 
 Jupiter MOID = 2.50534 au 
 T_jup = 3.601 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457216.5 (2015-Jul-13.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07975370235435492 3.9603e-08  
q 2.094522860457812 9.0319e-08 au
tp 2457320.724678270212
(2015-Oct-25.22467827)
6.7231e-05 TDB
node 149.1454019553094 4.871e-05 deg
peri 61.56986138279903 5.225e-05 deg
i 4.751804443927122 3.5307e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1145  
   data-arc span      8382 days (22.95 yr)  
   first obs. used      1998-03-03  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51938  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:01  

Additional Information
 Jupiter MOID = 2.50534 au 
 T_jup = 3.601 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.568424128657911E-15 -3.56627476793471E-15 -2.815700726058607E-13 -2.454883695789859E-15 -7.255171882348569E-14 -1.14257408369097E-15
q -3.56627476793471E-15 8.157574314588132E-15 6.880173561303757E-13 5.904469048694004E-15 1.760270621770422E-13 2.723525187774815E-15
tp -2.815700726058607E-13 6.880173561303757E-13 4.520014356446921E-9 3.837249217502327E-12 1.288843184952462E-9 4.473264349120203E-13
node -2.454883695789859E-15 5.904469048694004E-15 3.837249217502327E-12 2.372705036723473E-9 -2.363177583676113E-9 6.029630374234877E-11
peri -7.255171882348569E-14 1.760270621770422E-13 1.288843184952462E-9 -2.363177583676113E-9 2.730019379421025E-9 -5.998376547735679E-11
i -1.14257408369097E-15 2.723525187774815E-15 4.473264349120203E-13 6.029630374234877E-11 -5.998376547735679E-11 1.24655859610355E-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 15.77   n/a E2021B10  

70487 (1999 TZ52)          Discovered 1999-Oct-06 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TZ52 = 2000 YL73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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