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JPL Small-Body Database Browser
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91830 (1999 TF297)
Classification: Main-belt Asteroid          SPK-ID: 2091830
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017402013777072 5.367e-08  
a 2.895671389551914 1.9467e-08 au
q 2.601065199255237 1.5333e-07 au
i 2.923137176487782 3.9262e-06 deg
node 105.5336531006653 0.00011298 deg
peri 98.39835357645237 0.00011454 deg
M 238.1678948277391 2.0986e-05 deg
tp 2459609.590165546794
(2022-Jan-30.09016555)
0.00010811 TDB
period 1799.792093281259
4.93
1.815e-05
4.969e-08
d
yr
n .2000231034150574 2.0171e-09 deg/d
Q 3.190277579848591 2.1448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      15603 days (42.72 yr)  
   first obs. used      1977-02-18  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57117  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:49:38  

Additional Information
 Earth MOID = 1.59932 au 
 Jupiter MOID = 1.77066 au 
 T_jup = 3.279 
[ 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 14.8   n/a MPO351491  

91830 (1999 TF297)          Discovered 1999-Oct-02 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TF297 = 1977 DT3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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