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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2733384077434567 5.9271e-08  
a 3.102740788108493 1.7388e-08 au
q 2.25464256144624 1.8903e-07 au
i 19.21778788618583 6.7205e-06 deg
node 230.7585194620958 1.1578e-05 deg
peri 5.837123121851799 1.4324e-05 deg
M 353.4245122896365 6.9237e-06 deg
tp 2459036.962138706146
(2020-Jul-06.46213871)
3.8362e-05 TDB
period 1996.257998250735
5.47
1.678e-05
4.594e-08
d
yr
n .1803374114545604 1.5159e-09 deg/d
Q 3.950839014770746 2.214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1084  
   data-arc span      8236 days (22.55 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50892  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:16:19  

Additional Information
 Earth MOID = 1.24416 au 
 Jupiter MOID = 1.06098 au 
 T_jup = 3.080 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457348.5 (2015-Nov-22.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2727824155138583 5.9319e-08  
q 2.257747750074124 1.8923e-07 au
tp 2457037.604887561928
(2015-Jan-15.10488756)
4.3342e-05 TDB
node 230.7800495350177 1.1579e-05 deg
peri 5.591246128311291 1.4327e-05 deg
i 19.21171521129311 6.7192e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1084  
   data-arc span      8236 days (22.55 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50892  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:16:19  

Additional Information
 Jupiter MOID = 1.06098 au 
 T_jup = 3.080 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.518779687938105E-15 -1.120365218657852E-14 -4.982387006635082E-13 2.529411477013629E-14 -1.329469487415988E-13 -6.133266889359004E-15
q -1.120365218657852E-14 3.5808696752763E-14 1.290670145125718E-12 -9.419666556937899E-14 3.795251915821065E-13 2.918457440891368E-14
tp -4.982387006635082E-13 1.290670145125718E-12 1.878553722700988E-9 1.23415644939725E-11 3.681894558223561E-10 -1.944156015548243E-11
node 2.529411477013629E-14 -9.419666556937899E-14 1.23415644939725E-11 1.340672826701668E-10 -1.262866308560593E-10 -1.632555796356232E-11
peri -1.329469487415988E-13 3.795251915821065E-13 3.681894558223561E-10 -1.262866308560593E-10 2.05256591264814E-10 1.305551159382358E-11
i -6.133266889359004E-15 2.918457440891368E-14 -1.944156015548243E-11 -1.632555796356232E-11 1.305551159382358E-11 4.514758981805828E-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

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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 1.04331440359715 1.04331366840333 1.04331513880373 4.69956150327445 4.52351230012064 2430023.750693688 0.9609049673871 248.279795471539 24.1467717345966 -83.7236239381045 2700745.29420482 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:22 2020-Nov-12 23:16
2012-Feb-25 04:37 < 00:01 Jupiter 1.08396363362981 1.08396296921898 1.08396429807927 4.75006615426299 4.58260884981012 2455982.692674083 0.284854950208766 463.088908019496 24.1347240011569 -87.1301894422619 3052704.51883397 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:22 2020-Nov-12 23:16
2072-Apr-26 21:02 00:01 Jupiter 1.56868329670006 1.56868072556424 1.56868586783633 4.98168407353843 4.87208999790142 2477959.376453221 1.17877193320004 137.26444622484 68.4013329899143 25.909330766709 1677849.46274072 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:22 2020-Nov-12 23:16
2083-Jan-01 17:17 < 00:01 Jupiter 1.37501560008651 1.37501340002616 1.37501780014749 4.95926584824384 4.83345621488189 2481861.220139424 0.994964970371769 343.268297294679 107.968598923844 -87.3306593134705 1564704.18806627 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:22 2020-Nov-12 23:16
2143-Jan-18 15:32 < 00:01 Jupiter 1.12294528381675 1.12294392644332 1.12294664119113 4.74884223001602 4.58725728950496 2503792.147394673 0.891632830336828 107.470930879194 51.7861363191976 63.5459940262435 1990395.1351569 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:22 2020-Nov-12 23:16
2153-Jul-30 14:04 00:02 Jupiter 1.98032301720429 1.98032036432913 1.98032567008261 4.86048673410138 4.77167607344178 2507638.086226585 1.94351550662383 462.392155444527 127.837927667732 84.273821506789 2121678.07330336 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:22 2020-Nov-12 23:16

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