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15049 (1998 XA90)
Classification: Main-belt Asteroid          SPK-ID: 2015049
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14489809276049 1.9858e-08  
a 2.543706449599482 8.4898e-09 au
q 2.17512823650996 5.0081e-08 au
i 12.22199027986551 6.7866e-07 deg
node 219.9916844345545 1.3703e-06 deg
peri 222.9887474297007 1.011e-05 deg
M 157.0534642520967 8.5853e-06 deg
tp 2458554.036613062444
(2019-Mar-11.53661306)
3.4335e-05 TDB
period 1481.831810624408
4.06
7.4186e-06
2.031e-08
d
yr
n .2429425508474573 1.2163e-09 deg/d
Q 2.912284662689004 9.72e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2021  
   data-arc span      8845 days (24.22 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45197  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:46:12  

Additional Information
 Earth MOID = 1.20558 au 
 Jupiter MOID = 2.42269 au 
 T_jup = 3.398 
[ 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 13.84   n/a E2021B10  

15049 (1998 XA90)          Discovered 1998-Dec-15 by LINEAR at Socorro
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XA90 = 1996 HE24 = 1999 BT21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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