Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2733383775270543 6.0711e-08  
a 3.102740795768891 1.9523e-08 au
q 2.254642660766421 1.9399e-07 au
i 19.21778710285533 6.8969e-06 deg
node 230.7585292864311 1.5004e-05 deg
peri 5.837117462498474 1.7278e-05 deg
M 353.4245059869683 1.0097e-05 deg
tp 2459036.962173790490
(2020-Jul-06.46217379)
5.6082e-05 TDB
period 1996.258005643617
5.47
1.8842e-05
5.159e-08
d
yr
n .1803374107867043 1.7021e-09 deg/d
Q 3.950838930771361 2.486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      797  
   data-arc span      8063 days (22.08 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55742  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:27:10  

Additional Information
 Earth MOID = 1.24416 au 
 Jupiter MOID = 1.06098 au 
 T_jup = 3.080 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456699.5 (2014-Feb-11.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2725637857211096 6.0849e-08  
q 2.25835416431922 1.9416e-07 au
tp 2457037.342236906172
(2015-Jan-14.84223691)
5.3997e-05 TDB
node 230.7958675062671 1.5003e-05 deg
peri 5.487090829385427 1.7278e-05 deg
i 19.21235745570718 6.8958e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      797  
   data-arc span      8063 days (22.08 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55742  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:27:10  

Additional Information
 Jupiter MOID = 1.06098 au 
 T_jup = 3.080 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.702565580426952E-15 -1.178693263968839E-14 -6.459636469743485E-13 -9.421270956665462E-15 -1.202221663086352E-13 2.261495545158468E-16
q -1.178693263968839E-14 3.769905076222199E-14 1.963697683908014E-12 7.3168199739572E-15 3.699882540819675E-13 8.491539923537677E-15
tp -6.459636469743485E-13 1.963697683908014E-12 2.915692871238362E-9 1.922600767815807E-11 4.79680794488945E-10 -2.323394030948885E-11
node -9.421270956665462E-15 7.3168199739572E-15 1.922600767815807E-11 2.250942736164693E-10 -2.114963722317034E-10 -2.276559445368422E-11
peri -1.202221663086352E-13 3.699882540819675E-13 4.79680794488945E-10 -2.114963722317034E-10 2.98525088899438E-10 1.871453393411579E-11
i 2.261495545158468E-16 8.491539923537677E-15 -2.323394030948885E-11 -2.276559445368422E-11 1.871453393411579E-11 4.755212909861571E-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

[ show close-approach data ]
Alternate Designations
 1998 MU = 1999 SW14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-03 23:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin