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175781 (1999 FT1)
Classification: Main-belt Asteroid          SPK-ID: 2175781
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 .1253140551200772 4.0416e-08  
a 2.786881918045957 1.9872e-08 au
q 2.4376464437548 1.2103e-07 au
i 4.864232622729215 8.9751e-06 deg
node 177.7609031494518 4.7556e-05 deg
peri 286.9702915167082 6.1679e-05 deg
M 294.253153569391 3.9806e-05 deg
tp 2459510.847823756101
(2021-Oct-23.34782376)
0.00018902 TDB
period 1699.324342044514
4.65
1.8175e-05
4.976e-08
d
yr
n .2118489043515212 2.2659e-09 deg/d
Q 3.136117392337114 2.2362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      10328 days (28.28 yr)  
   first obs. used      1992-09-26  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57608  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:47  

Additional Information
 Earth MOID = 1.45973 au 
 Jupiter MOID = 2.00491 au 
 T_jup = 3.314 
[ 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 16.3   n/a MPO449904  

175781 (1999 FT1)          Discovered 1999-Mar-16 by Spacewatch at Kitt Peak
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 1999 FT1 = 2004 HY48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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