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52998 (1998 UM33)
Classification: Main-belt Asteroid          SPK-ID: 2052998
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2527952658916305 4.9917e-08  
a 2.322183040187074 6.579e-09 au
q 1.735146161093948 1.1846e-07 au
i 4.053591010620445 3.7678e-06 deg
node 278.2714856445006 5.0722e-05 deg
peri 59.82002397348958 5.1215e-05 deg
M 66.21133080693433 5.8728e-06 deg
tp 2458762.776061688056
(2019-Oct-06.27606169)
2.0868e-05 TDB
period 1292.53734593924
3.54
5.4929e-06
1.504e-08
d
yr
n .2785219329491799 1.1836e-09 deg/d
Q 2.909219919280199 8.2422e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1028  
   data-arc span      10303 days (28.21 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51168  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:39:49  

Additional Information
 Earth MOID = .730288 au 
 Jupiter MOID = 2.49883 au 
 T_jup = 3.530 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO296523  

52998 (1998 UM33)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 UM33 = 1991 VL13 = 2001 KJ24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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