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52755 (1998 MU)
Classification: Main-belt Asteroid          SPK-ID: 2052755
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2733383857669431 6.0321e-08  
a 3.102740793056993 1.7579e-08 au
q 2.25464263322955 1.9253e-07 au
i 19.21778753437283 6.8336e-06 deg
node 230.7585200355116 1.1867e-05 deg
peri 5.837124499583269 1.4557e-05 deg
M 353.4245089896682 7.1289e-06 deg
tp 2459036.962157092231
(2020-Jul-06.46215709)
3.9512e-05 TDB
period 1996.258003026424
5.47
1.6965e-05
4.645e-08
d
yr
n .1803374110231355 1.5326e-09 deg/d
Q 3.950838952884437 2.2384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1044  
   data-arc span      8160 days (22.34 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51224  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:56:12  

Additional Information
 Earth MOID = 1.24416 au 
 Jupiter MOID = 1.06098 au 
 T_jup = 3.080 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457235.5 (2015-Aug-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2727417623468593 6.0375e-08  
q 2.257775465352681 1.9273e-07 au
tp 2457037.588850921244
(2015-Jan-15.08885092)
4.39e-05 TDB
node 230.7834565886017 1.1868e-05 deg
peri 5.585362513045662 1.4559e-05 deg
i 19.21188590709029 6.8323e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1044  
   data-arc span      8160 days (22.34 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51224  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:56:12  

Additional Information
 Jupiter MOID = 1.06098 au 
 T_jup = 3.080 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.645095165938118E-15 -1.161468811059244E-14 -5.746489557725677E-13 2.126353986071952E-14 -1.398604479850821E-13 -3.611787555445917E-15
q -1.161468811059244E-14 3.714673254013596E-14 1.540337725991884E-12 -8.232000384692763E-14 4.033657444790964E-13 2.163576051644398E-14
tp -5.746489557725677E-13 1.540337725991884E-12 1.927237402000347E-9 1.398109005127643E-11 3.735276327245364E-10 -2.061243356163726E-11
node 2.126353986071952E-14 -8.232000384692763E-14 1.398109005127643E-11 1.40842481596786E-10 -1.325195929066411E-10 -1.951748574317228E-11
peri -1.398604479850821E-13 4.033657444790964E-13 3.735276327245364E-10 -1.325195929066411E-10 2.119662742353955E-10 1.593777750576552E-11
i -3.611787555445917E-15 2.163576051644398E-14 -2.061243356163726E-11 -1.951748574317228E-11 1.593777750576552E-11 4.668068289866579E-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 13.8   n/a MPO432085  
diameter diameter 9.005 km 2.909 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.038   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

52755 (1998 MU)          Discovered 1998-Jun-16 by LINEAR at Socorro
Reference: 20030216/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
1941-Jan-29 06:01 < 00:01 Jupiter 1.04331450733153 1.04331375501421 1.04331525966219 4.69956148689193 4.52351230094532 2430023.750639452 0.970120646338008 252.638134438865 24.6559859428415 -83.6622916230984 2688699.48186495 T 22 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:27 2020-Aug-25 04:56
2012-Feb-25 04:37 < 00:01 Jupiter 1.08396370777054 1.08396303284171 1.08396438273929 4.75006606581918 4.58260876979738 2455982.692670227 0.287648282500845 471.43338196632 24.643600146398 -87.143527110994 3042864.37323676 T 22 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:27 2020-Aug-25 04:56
2072-Apr-26 21:02 00:01 Jupiter 1.56868355609646 1.56868095103413 1.56868616115922 4.98168384587358 4.87208978344163 2477959.376572454 1.20347566646248 138.486571380642 69.2948811574377 25.2262899790914 1644268.48891171 T 22 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:27 2020-Aug-25 04:56
2083-Jan-01 17:17 00:01 Jupiter 1.37501542942578 1.37501321189595 1.37501764695647 4.95926555940225 4.83345590270393 2481861.220207208 1.00254607637096 349.441832913363 108.51156635231 -87.0112698000412 1558205.16476565 T 22 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:27 2020-Aug-25 04:56
2143-Jan-18 15:32 < 00:01 Jupiter 1.12294548028426 1.12294409191023 1.1229468686593 4.74884224577829 4.58725733459082 2503792.147481446 0.914409055554511 108.410445435914 52.5746154727775 62.7259824060738 1957361.3601142 T 22 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:27 2020-Aug-25 04:56
2153-Jul-30 14:04 00:02 Jupiter 1.98032266922558 1.98031996911451 1.98032536933946 4.86048679566563 4.77167612040099 2507638.086356451 1.96033829333456 464.042033945376 130.771735173733 84.4796685842185 2089975.01351707 T 22 CATAB v2.0f-lin.ifort 2020-Aug-25 04:56:27 2020-Aug-25 04:56

Alternate Designations
 1998 MU = 1999 SW14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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