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(2019 TR2)
Classification: Apollo [NEO]          SPK-ID: 3878582
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6045904282971933 0.00018808  
a 2.141585227388896 0.00095028 au
q .8468032975269012 2.7043e-05 au
i 12.69077830824522 0.0032522 deg
node 24.59351243238599 0.00063703 deg
peri 62.68091718612501 6.5029e-05 deg
M 118.5712748827356 0.077908 deg
tp 2458823.467785251872
(2019-Dec-05.96778525)
0.0032192 TDB
period 1144.725798415861
3.13
0.76192
0.002086
d
yr
n .3144857925786151 0.00020932 deg/d
Q 3.436367157250891 0.0015248 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      26 days  
   first obs. used      2019-10-05  
   last obs. used      2019-10-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .52229  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:55:30  

Additional Information
 Earth MOID = .0325521 au 
 Jupiter MOID = 2.01726 au 
 T_jup = 3.427 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.4   .30893 E2019-WE6 autocmod 2.8

[ 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
1900-Oct-28 10:20 7_15:48 Earth 0.0414205842767535 0.0192952881888594 0.111425008985709 13.890476241726 13.8858444244903 2415320.930355053 11028.4131354415 3644892.63119127 13.4036373994179 27.7735134028559 212520.803008664 T 18 CATAB v2.0g-lin.ifort 2021-Apr-15 21:55:31 2021-Apr-15 21:55
1904-Mar-04 04:42 7_00:31 Earth 0.392533819463889 0.2837463722565 0.516091445136145 23.3833416217477 23.3830513322006 2416543.696117020 10111.4783594683 6936289.79464316 47.6800917140243 -31.6923369273595 584094.443240441 T 18 CATAB v2.0g-lin.ifort 2021-Apr-15 21:55:31 2021-Apr-15 21:55
2019-Oct-29 03:27 < 00:01 Earth 0.0496055004003321 0.0495642594302073 0.0496467413322776 13.8199045600413 13.8160173450518 2458785.644090779 0.0351760581666934 2055.3739291319 7.1868907738757 0.209703856887392 3021.43319982551 T 18 CATAB v2.0g-lin.ifort 2021-Apr-15 21:55:31 2021-Apr-15 21:55
2023-Mar-06 20:24 1_23:54 Earth 0.388654228552315 0.355223056540138 0.423018045406569 23.675474332671 23.6751847630973 2460010.350078643 2873.80932535718 1938842.20984779 44.2401860702626 -29.207401891751 580822.366276936 T 18 CATAB v2.0g-lin.ifort 2021-Apr-15 21:55:31 2021-Apr-15 21:55
2113-Dec-14 16:42 1_12:24 Earth 0.224521787811115 0.223216371255817 0.225856698520933 11.3521332682546 11.3510878348281 2493165.196027032 2184.39096162033 144230.273946665 49.5687293699473 -62.8419335354557 501888.810597138 T 18 CATAB v2.0g-lin.ifort 2021-Apr-15 21:55:31 2021-Apr-15 21:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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