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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2733383826075876 6.0557e-08  
a 3.102740794246971 1.7728e-08 au
q 2.254642643896922 1.9336e-07 au
i 19.21778737864269 6.8709e-06 deg
node 230.7585209365426 1.2353e-05 deg
peri 5.837124239407787 1.4916e-05 deg
M 353.4245079406283 7.3759e-06 deg
tp 2459036.962162930303
(2020-Jul-06.46216293)
4.0893e-05 TDB
period 1996.258004174845
5.47
1.7109e-05
4.684e-08
d
yr
n .1803374109193898 1.5456e-09 deg/d
Q 3.95083894459702 2.2574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      944  
   data-arc span      8113 days (22.21 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52281  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:05:21  

Additional Information
 Earth MOID = 1.24416 au 
 Jupiter MOID = 1.06098 au 
 T_jup = 3.080 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457124.5 (2015-Apr-12.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2726600881080813 6.062e-08  
q 2.257730115011097 1.9357e-07 au
tp 2457037.547990383607
(2015-Jan-15.04799038)
4.4682e-05 TDB
node 230.785890240323 1.2354e-05 deg
peri 5.570868229833231 1.4919e-05 deg
i 19.2125880868981 6.8698e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      944  
   data-arc span      8113 days (22.21 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52281  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:05:21  

Additional Information
 Jupiter MOID = 1.06098 au 
 T_jup = 3.080 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.674771840408177E-15 -1.171218013557628E-14 -6.11403386257281E-13 1.091412152490577E-14 -1.347525803339464E-13 -1.334151290792585E-15
q -1.171218013557628E-14 3.746869032907878E-14 1.667703394606972E-12 -5.045916825853335E-14 3.893843771223661E-13 1.46823132000802E-14
tp -6.11403386257281E-13 1.667703394606972E-12 1.996491246871174E-9 1.787669815643786E-11 3.78597750148382E-10 -2.163629653554902E-11
node 1.091412152490577E-14 -5.045916825853335E-14 1.787669815643786E-11 1.526187548565488E-10 -1.431137369493174E-10 -2.188653012672717E-11
peri -1.347525803339464E-13 3.893843771223661E-13 3.78597750148382E-10 -1.431137369493174E-10 2.225909712795113E-10 1.803990793425684E-11
i -1.334151290792585E-15 1.46823132000802E-14 -2.163629653554902E-11 -2.188653012672717E-11 1.803990793425684E-11 4.719466339970643E-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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Alternate Designations
 1998 MU = 1999 SW14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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