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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2528386298776308 4.227e-08  
a 2.322525628700026 5.9468e-09 au
q 1.735301430883828 9.9849e-08 au
i 4.053290019079756 3.747e-06 deg
node 278.2714612758273 4.7194e-05 deg
peri 59.85327296868346 4.756e-05 deg
M 121.8646204547789 5.8138e-06 deg
tp 2458762.862691002967
(2019-Oct-06.36269100)
2.0246e-05 TDB
period 1292.82338590957
3.54
4.9654e-06
1.359e-08
d
yr
n .2784603093691106 1.0695e-09 deg/d
Q 2.909749826516223 7.4504e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1179  
   data-arc span      10722 days (29.36 yr)  
   first obs. used      1991-11-04  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50018  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:49:31  

Additional Information
 Earth MOID = .728597 au 
 Jupiter MOID = 2.49879 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 15.34   n/a MPCxxxxx  

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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