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152724 (1998 UW38)
Classification: Main-belt Asteroid          SPK-ID: 2152724
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2197653944609268 4.3282e-08  
a 2.270751740429687 8.6987e-09 au
q 1.771719088471321 9.9289e-08 au
i 1.269166749700698 4.3699e-06 deg
node 141.9274544236592 0.00017508 deg
peri 217.2169743996363 0.00017528 deg
M 188.9385095404093 8.609e-06 deg
tp 2459794.385417289830
(2022-Aug-02.88541729)
3.1659e-05 TDB
period 1249.835656464387
3.42
7.1817e-06
1.966e-08
d
yr
n .2880378697295215 1.6551e-09 deg/d
Q 2.769784392388053 1.061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      10700 days (29.30 yr)  
   first obs. used      1991-09-10  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52981  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:23  

Additional Information
 Earth MOID = .766692 au 
 Jupiter MOID = 2.6813 au 
 T_jup = 3.580 
[ 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 16.29   n/a E2021B55  

152724 (1998 UW38)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 1998 UW38 = 1991 RW32 = 1998 VE9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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