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175826 (1999 TF61)
Classification: Main-belt Asteroid          SPK-ID: 2175826
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2070694026549731 3.789e-08  
a 2.392209572886113 8.0529e-09 au
q 1.896856165603077 8.8587e-08 au
i 3.135747790454134 3.8934e-06 deg
node 335.9091067101194 8.1151e-05 deg
peri 107.5483265895525 8.2053e-05 deg
M 206.6024913926543 1.0527e-05 deg
tp 2459776.354902016090
(2022-Jul-15.85490202)
4.0618e-05 TDB
period 1351.441536488325
3.70
6.8241e-06
1.868e-08
d
yr
n .2663822224492579 1.3451e-09 deg/d
Q 2.887562980169148 9.7204e-09 au
  Orbit Determination Parameters
   # obs. used (total)      706  
   data-arc span      8545 days (23.39 yr)  
   first obs. used      1997-01-31  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53045  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:59  

Additional Information
 Earth MOID = .915366 au 
 Jupiter MOID = 2.35079 au 
 T_jup = 3.500 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456816.5 (2014-Jun-08.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2076242522724357 3.7992e-08  
q 1.894517109622536 8.8808e-08 au
tp 2457076.226310693245
(2015-Feb-22.72631069)
3.7386e-05 TDB
node 335.9660986138487 8.1162e-05 deg
peri 107.6988680072392 8.2051e-05 deg
i 3.136694033186472 3.893e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      706  
   data-arc span      8545 days (23.39 yr)  
   first obs. used      1997-01-31  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53045  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:59  

Additional Information
 Jupiter MOID = 2.35079 au 
 T_jup = 3.500 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.443354345728636E-15 -3.366048132206949E-15 -1.678613893373234E-13 -6.024453070532076E-15 -2.266458395041184E-14 -2.311484729587829E-15
q -3.366048132206949E-15 7.886831017654844E-15 4.041417214877294E-13 1.386862033337526E-14 5.3557177122604E-14 5.413836689114733E-15
tp -1.678613893373234E-13 4.041417214877294E-13 1.39773792015027E-9 -1.956781799770557E-11 4.661717266239295E-10 1.340566833506905E-12
node -6.024453070532076E-15 1.386862033337526E-14 -1.956781799770557E-11 6.587348698302973E-9 -6.583698800935456E-9 5.023771339611502E-11
peri -2.266458395041184E-14 5.3557177122604E-14 4.661717266239295E-10 -6.583698800935456E-9 6.732340019713813E-9 -4.979077266095361E-11
i -2.311484729587829E-15 5.413836689114733E-15 1.340566833506905E-12 5.023771339611502E-11 -4.979077266095361E-11 1.515529930929056E-11

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 16.38   n/a MPCxxxxx  

175826 (1999 TF61)          Discovered 1999-Oct-07 by Spacewatch at Kitt Peak
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 1999 TF61 = 1997 BT7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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