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74989 (1999 TO262)
Classification: Main-belt Asteroid          SPK-ID: 2074989
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1046407637472733 4.9487e-08  
a 2.275699310927346 1.1312e-08 au
q 2.037568396972766 1.147e-07 au
i 5.763600686748612 5.8669e-06 deg
node 314.5950247150264 4.7731e-05 deg
peri 70.18036439505606 5.4446e-05 deg
M 348.6265078791554 2.7589e-05 deg
tp 2459040.115220192629
(2020-Jul-09.61522019)		 9.6207e-05 TDB
period 1253.922640277662
3.43		 9.3496e-06
2.56e-08		 d
yr
n .2870990509592231 2.1407e-09 deg/d
Q 2.513830224881927 1.2496e-08 au
   Orbit Determination Parameters
   # obs. used (total)      678  
   data-arc span      8880 days (24.31 yr)  
   first obs. used      1994-01-16  
   last obs. used      2018-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56088  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:33:24  

Additional Information
 Earth MOID = 1.04906 au 
 Jupiter MOID = 2.88615 au 
 T_jup = 3.595 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO233864  

74989 (1999 TO262)          Discovered 1999-Oct-15 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TO262 = 2001 DW13 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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