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523223 (2016 WJ57)
Classification: Main-belt Asteroid          SPK-ID: 2523223
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .12168821855747 6.7035e-08  
a 3.051644479026024 6.1134e-08 au
q 2.680295298702608 2.0123e-07 au
i 11.45420632197443 8.3516e-06 deg
node 146.3439144062019 3.6824e-05 deg
peri 313.0671014440355 5.2515e-05 deg
M 219.2851573236088 4.0116e-05 deg
tp 2459761.591269232570
(2022-Jul-01.09126923)
0.0002284 TDB
period 1947.149651823439
5.33
5.8512e-05
1.602e-07
d
yr
n .1848856350937753 5.5558e-09 deg/d
Q 3.422993659349439 6.8574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      4561 days (12.49 yr)  
   first obs. used      2007-01-27  
   last obs. used      2019-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59058  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:40:29  

Additional Information
 Earth MOID = 1.71186 au 
 Jupiter MOID = 1.73817 au 
 T_jup = 3.195 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457775.5 (2017-Jan-22.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205011996934859 6.6566e-08  
q 2.682754795945817 2.0067e-07 au
tp 2457801.441292996039
(2017-Feb-16.94129300)
0.00020597 TDB
node 146.740538455071 3.6993e-05 deg
peri 310.6679669675175 5.3015e-05 deg
i 11.42080958387452 8.3406e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      4561 days (12.49 yr)  
   first obs. used      2007-01-27  
   last obs. used      2019-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59058  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:40:29  

Additional Information
 Jupiter MOID = 1.73817 au 
 T_jup = 3.195 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.431011860147424E-15 -1.289313869174945E-14 9.554861993567706E-13 -1.362800948153173E-14 4.050685644193554E-14 -3.844635418851423E-15
q -1.289313869174945E-14 4.026836879167145E-14 1.109238633144635E-12 5.008326300857272E-14 5.720144159991228E-13 1.58763824480214E-14
tp 9.554861993567706E-13 1.109238633144635E-12 4.242373705378254E-8 7.772599475004646E-11 7.872698273831647E-9 -1.089102688752495E-11
node -1.362800948153173E-14 5.008326300857272E-14 7.772599475004646E-11 1.368455045544186E-9 -1.326353612857415E-9 4.466433450364387E-11
peri 4.050685644193554E-14 5.720144159991228E-13 7.872698273831647E-9 -1.326353612857415E-9 2.810642163525925E-9 -4.578966260542343E-11
i -3.844635418851423E-15 1.58763824480214E-14 -1.089102688752495E-11 4.466433450364387E-11 -4.578966260542343E-11 6.95650813035121E-11

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 16.2   n/a MPO448179  

523223 (2016 WJ57)          Discovered 2007-Jan-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2018-05-31

[ 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
1904-Feb-25 23:17 00:10 Jupiter 1.99366453015638 1.99365897998363 1.99367008041344 4.19463570784667 4.09209659422105 2416536.470316214 9.92465659857984 716.268787428659 32.4362270066267 68.7676828347423 1958389.28323502 T 4 CATAB v2.0f-lin.ifort 2019-Sep-24 08:40:30 2019-Sep-24 08:40
1913-Aug-27 14:07 00:10 Jupiter 1.84200274505384 1.84199971487321 1.84200577526149 2.79881570561337 2.62939037151853 2420007.088129492 9.67230998446155 421.619257844725 76.5233792994806 -61.9469112008349 1119654.11995157 T 4 CATAB v2.0f-lin.ifort 2019-Sep-24 08:40:30 2019-Sep-24 08:40
1961-Dec-09 05:12 00:05 Jupiter 1.74961950444534 1.74961875712439 1.74962025177187 3.35799493583307 3.21059087037911 2437642.716484177 4.85669547141517 453.475249715403 30.4653577389412 -89.7925514186138 1446154.4656382 T 4 CATAB v2.0f-lin.ifort 2019-Sep-24 08:40:30 2019-Sep-24 08:40
2010-Mar-13 01:54 < 00:01 Jupiter 1.81184144912034 1.81184044251305 1.81184245572826 3.75360211139205 3.62691929327089 2455268.579380683 0.746709838014345 102.402573373028 31.0822918816387 70.4648757082743 1598028.21368034 T 4 CATAB v2.0f-lin.ifort 2019-Sep-24 08:40:30 2019-Sep-24 08:40
2067-Dec-22 04:30 00:05 Jupiter 1.82182982230789 1.82182779460431 1.82183185001757 2.94639844010685 2.78413445650069 2476371.687572900 4.58785347185342 233.371878250645 71.8813834603516 -66.1543434759172 1492295.57228472 T 4 CATAB v2.0f-lin.ifort 2019-Sep-24 08:40:30 2019-Sep-24 08:40
2116-Apr-01 01:47 00:09 Jupiter 1.74222010566318 1.742219282159 1.74222092920173 3.41547517567539 3.27003397820033 2494003.574291639 8.52743927081014 757.290290515089 31.8345523931614 -87.2483967854591 1535024.38576027 T 4 CATAB v2.0f-lin.ifort 2019-Sep-24 08:40:30 2019-Sep-24 08:40
2164-Jul-04 12:08 00:13 Jupiter 1.82135130471196 1.82134687704998 1.82135573262531 3.71176872287738 3.58428844505302 2511630.005446915 12.9515763965423 1122.39655206374 30.3501511129076 79.46490804785 1658293.2920569 T 4 CATAB v2.0f-lin.ifort 2019-Sep-24 08:40:30 2019-Sep-24 08:40
2173-Dec-22 02:09 00:15 Jupiter 1.99493215444551 1.9949250424713 1.9949392664568 2.67514963030719 2.51142415508211 2515087.589820024 14.8193148784354 584.942417314882 102.75183651022 50.3606032364246 1563365.51633667 T 4 CATAB v2.0f-lin.ifort 2019-Sep-24 08:40:30 2019-Sep-24 08:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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