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JPL Small-Body Database Browser
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49278 (1998 UO22)
Classification: Main-belt Asteroid          SPK-ID: 2049278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0463329246201221 4.8008e-08  
a 2.831729026595418 1.9092e-08 au
q 2.70052673906156 1.3634e-07 au
i 1.520567486762702 6.3349e-06 deg
node 353.6464896444547 0.00017768 deg
peri 308.4103045017977 0.00019242 deg
M 193.3648336523614 7.7735e-05 deg
tp 2459406.138336994748
(2021-Jul-10.63833699)
0.00037874 TDB
period 1740.507767208283
4.77
1.7602e-05
4.819e-08
d
yr
n .20683619273784 2.0918e-09 deg/d
Q 2.962931314129275 1.9977e-08 au
  Orbit Determination Parameters
   # obs. used (total)      707  
   data-arc span      10247 days (28.05 yr)  
   first obs. used      1991-03-13  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62285  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:49:49  

Additional Information
 Earth MOID = 1.68464 au 
 Jupiter MOID = 2.13935 au 
 T_jup = 3.311 
[ show covariance matrix ]

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 14.9   n/a MPO468362  

49278 (1998 UO22)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UO22 = 1993 SB7 = 2001 HT2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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