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JPL Small-Body Database Browser
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74971 (1999 TO217)
Classification: Main-belt Asteroid          SPK-ID: 2074971
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05297195922085316 3.5928e-08  
a 2.284171285259702 9.6338e-09 au
q 2.163174257083481 8.1263e-08 au
i 5.722497542100818 4.3117e-06 deg
node 188.0534574804992 3.8131e-05 deg
peri 289.852226352143 5.9246e-05 deg
M 160.5456124283498 4.7646e-05 deg
tp 2458038.175030027618
(2017-Oct-11.67503003)
0.00016514 TDB
period 1260.931308729496
3.45
7.9772e-06
2.184e-08
d
yr
n .2855032605723249 1.8062e-09 deg/d
Q 2.405168313435922 1.0144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      7324 days (20.05 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56797  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:56:59  

Additional Information
 Earth MOID = 1.18699 au 
 Jupiter MOID = 2.62501 au 
 T_jup = 3.595 
[ 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 15.7   n/a MPO337823  

74971 (1999 TO217)          Discovered 1999-Oct-15 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TO217 = 2001 FL48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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