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175823 (1999 TA45)
Classification: Main-belt Asteroid          SPK-ID: 2175823
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1934059656446407 3.6649e-08  
a 2.28887343779151 1.0229e-08 au
q 1.846191660317075 8.7275e-08 au
i 6.258175051314621 5.3039e-06 deg
node 4.023077636457709 3.6423e-05 deg
peri 299.8667334193276 3.9108e-05 deg
M 100.7071131261324 1.3304e-05 deg
tp 2458846.674815678440
(2019-Dec-29.17481568)
4.6473e-05 TDB
period 1264.826906479047
3.46
8.4788e-06
2.321e-08
d
yr
n .2846239261324283 1.908e-09 deg/d
Q 2.731555215265946 1.2207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      373  
   data-arc span      7746 days (21.21 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-12-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55659  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:58  

Additional Information
 Earth MOID = .83908 au 
 Jupiter MOID = 2.53427 au 
 T_jup = 3.567 
[ 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 16.7   n/a MPO475485  

175823 (1999 TA45)          Discovered 1999-Oct-03 by Spacewatch at Kitt Peak
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 1999 TA45 = 2005 GL46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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