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129884 (1999 TB4)
Classification: Main-belt Asteroid          SPK-ID: 2129884
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08649109014100936 4.8377e-08  
a 3.063408663184336 2.6646e-08 au
q 2.79845110835811 1.6265e-07 au
i 4.447824327978448 6.4779e-06 deg
node 339.6667965843397 5.3776e-05 deg
peri 108.8031306992257 6.6087e-05 deg
M 330.8919752177301 3.778e-05 deg
tp 2459554.849270292075
(2021-Dec-06.34927029)
0.00020577 TDB
period 1958.419979766892
5.36
2.5552e-05
6.996e-08
d
yr
n .1838216540472847 2.3984e-09 deg/d
Q 3.328366218010562 2.8951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      7734 days (21.17 yr)  
   first obs. used      1999-10-02  
   last obs. used      2020-12-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55197  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:48:29  

Additional Information
 Earth MOID = 1.81905 au 
 Jupiter MOID = 1.83057 au 
 T_jup = 3.223 
[ 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 15.72   n/a E2021B55  

129884 (1999 TB4)          Discovered 1999-Oct-02 by Sarounova, L. at Ondrejov
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ 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
1901-May-19 00:57 00:05 Jupiter 1.92648850559687 1.92648725016346 1.9264897610306 2.76452117400945 2.60062182667403 2415523.539764331 4.67473741308504 87.6867545344077 33.5327038736129 55.24742241764 2474995.59208709 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 17:48:30 2021-Apr-13 17:48
1950-Jun-16 05:40 00:03 Jupiter 1.86206891903491 1.86206828660495 1.86206955146497 3.24392650745375 3.10053128410102 2433448.735783604 2.68004362998676 100.836692845144 21.1598232231975 85.5035319234953 2055039.37877673 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 17:48:30 2021-Apr-13 17:48
2009-Mar-06 23:37 < 00:01 Jupiter 1.84930150290163 1.84930096719229 1.84930203861087 2.98801278892812 2.83057848274656 2454897.483911477 0.381110813641439 52.2627641994002 17.2910477466616 85.4905526705772 2228073.99558813 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 17:48:30 2021-Apr-13 17:48
2058-Mar-29 03:35 00:02 Jupiter 1.95987230577346 1.95987167539938 1.95987293614755 3.74849949181505 3.6313748693617 2472816.649631788 1.64475626481703 80.0516042812745 24.0847421697535 83.5292535581351 2462540.89528046 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 17:48:30 2021-Apr-13 17:48
2067-Nov-24 19:36 00:02 Jupiter 1.88282783459366 1.88282732965143 1.88282833953589 2.84137690731503 2.67837419020606 2476344.316684757 2.13570208353591 57.9576268029785 19.3884101050029 77.3736473644215 2470375.63783622 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 17:48:30 2021-Apr-13 17:48
2116-Dec-20 11:50 00:04 Jupiter 1.88414695223205 1.88414605782419 1.88414784664301 3.38474993073692 3.24921953453761 2494266.992979812 4.02793644073022 179.102393596623 22.9523825531897 82.4014098765029 2060508.65158256 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 17:48:30 2021-Apr-13 17:48
2126-Aug-13 14:50 00:05 Jupiter 1.95577974101979 1.95577858521538 1.95578089682508 2.8367173442456 2.67969990237861 2497790.118346298 4.52998883214313 98.7836150546888 27.6092190501273 58.9509774376659 3174276.77311714 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 17:48:30 2021-Apr-13 17:48
2175-Sep-10 05:22 00:06 Jupiter 1.84363585195934 1.84363520292689 1.84363650099288 3.10920347102105 2.95775003286628 2515714.723766293 6.43192699613759 161.015887429544 19.9415379137047 89.2053243604996 1881809.40868072 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 17:48:30 2021-Apr-13 17:48
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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