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JPL Small-Body Database Browser
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74866 (1999 TA93)
Classification: Main-belt Asteroid          SPK-ID: 2074866
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358045221074628 4.2008e-08  
a 2.272257790026235 9.9941e-09 au
q 1.963674906746763 9.8048e-08 au
i 6.7657970755726 3.6075e-06 deg
node 65.90576735170825 3.6438e-05 deg
peri 278.4357716432344 3.8863e-05 deg
M 30.11236204223439 1.3023e-05 deg
tp 2458895.852911246048
(2020-Feb-16.35291125)
4.5173e-05 TDB
period 1251.079270984595
3.43
8.254e-06
2.26e-08
d
yr
n .2877515504806351 1.8984e-09 deg/d
Q 2.580840673305708 1.1351e-08 au
  Orbit Determination Parameters
   # obs. used (total)      925  
   data-arc span      7777 days (21.29 yr)  
   first obs. used      1998-03-25  
   last obs. used      2019-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:23:12  

Additional Information
 Earth MOID = .970195 au 
 Jupiter MOID = 2.81222 au 
 T_jup = 3.590 
[ 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 15.6   n/a MPO436307  

74866 (1999 TA93)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2045-Mar-21 12:07 00:02 Amphi 0.0237571789973073 0.0237533705213357 0.0237609876506518 2.95095803723088 2.95095795523064 2468061.004859481 1.57883492556585 216.292585945936 32.3894928678808 29.0406582551339 55113.8998845825 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 17:23:24 2020-Feb-23 17:23
2089-Jul-24 01:47 < 00:01 Eunom 0.0123814720298452 0.012380247846166 0.0123827037205871 5.98592725905471 5.98592706965026 2484256.574560427 0.428189145917694 550.585304004781 29.2711172218073 -84.3897510534417 62943.3280490663 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 17:23:24 2020-Feb-23 17:23

Alternate Designations
 1999 TA93 = 1998 HE35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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