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66739 (1999 TC122)
Classification: Main-belt Asteroid          SPK-ID: 2066739
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08440780529727437 3.2214e-08  
a 2.547992042806446 1.1187e-08 au
q 2.332921626558235 8.4962e-08 au
i 2.73228827076166 3.3216e-06 deg
node 252.7552016603252 0.00011557 deg
peri 165.6342804242855 0.00012099 deg
M 353.2184426694978 3.7009e-05 deg
tp 2459028.484816580459
(2020-Jun-27.98481658)
0.00015278 TDB
period 1485.578234906566
4.07
9.784e-06
2.679e-08
d
yr
n .2423298830994531 1.596e-09 deg/d
Q 2.763062459054657 1.2132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1093  
   data-arc span      7369 days (20.18 yr)  
   first obs. used      1999-09-18  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52127  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:05:21  

Additional Information
 Earth MOID = 1.34523 au 
 Jupiter MOID = 2.48646 au 
 T_jup = 3.435 
[ 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 15.3   n/a MPO493336  

66739 (1999 TC122)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20030910/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
1917-Jan-29 23:22 00:08 Iris 0.0461308873951607 0.0461169259192793 0.0461448489133132 2.30131408127886 2.301314027128 2421258.473805720 7.99871939378277 697.946091019183 68.576771462139 5.47369680268593 13725.2382547632 T 23 CATAB v2.0f-lin.ifort 2019-Dec-14 07:05:31 2019-Dec-14 07:05
2035-Feb-02 04:12 00:02 Iris 0.00783280197494723 0.00782829582394502 0.00783730812934821 2.50450356555853 2.50450327251357 2464360.674758983 1.80200450056663 224.53444952028 69.2212312413354 2.19985413794508 5247.47420611392 T 23 CATAB v2.0f-lin.ifort 2019-Dec-14 07:05:31 2019-Dec-14 07:05
2045-Nov-21 04:12 < 00:01 Juno 0.0250954048409871 0.025092851563169 0.0250979594248283 5.29802123560063 5.29802114409705 2468305.675264423 0.539019908925855 330.000963421413 44.4148720986628 -68.6043041373325 78763.9832370725 T 23 CATAB v2.0f-lin.ifort 2019-Dec-14 07:05:31 2019-Dec-14 07:05
2103-Apr-25 21:45 00:01 Amphi 0.0131295236957134 0.0131259387291023 0.0131331266250661 2.22948290952931 2.22948271313905 2489279.406433310 1.34290383182777 807.843990306748 43.1230232760188 77.5686035706624 44407.9415408598 T 23 CATAB v2.0f-lin.ifort 2019-Dec-14 07:05:31 2019-Dec-14 07:05
2105-Jul-03 22:33 00:04 Amphi 0.0494809686474394 0.0494658754978613 0.0494960643936346 2.50257792449252 2.50257787806802 2490079.439266259 4.30449782042034 940.575363714421 38.4600803754129 36.9773015254119 115785.946417285 T 23 CATAB v2.0f-lin.ifort 2019-Dec-14 07:05:31 2019-Dec-14 07:05
2109-Jul-24 12:38 00:05 Amphi 0.0350485308400722 0.0350375076292881 0.0350595615059453 2.50594826570739 2.50594820025415 2491561.026128185 4.79590487293278 976.18998171907 38.8070619418626 -55.8319163448831 111682.261535145 T 23 CATAB v2.0f-lin.ifort 2019-Dec-14 07:05:31 2019-Dec-14 07:05
2153-Jan-25 22:32 00:10 Iris 0.016646798453844 0.0166257385146459 0.0166678631796873 2.47518037897504 2.47518023945536 2507452.438831754 9.57226870687414 1139.23884477766 68.4781620499459 -23.042537330886 14354.2828737652 T 23 CATAB v2.0f-lin.ifort 2019-Dec-14 07:05:31 2019-Dec-14 07:05

Alternate Designations
 1999 TC122 = 2001 ED22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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