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JPL Small-Body Database Browser
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469248 (2016 JA21)
Classification: Main-belt Asteroid          SPK-ID: 2469248
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07896227721417168 5.0219e-08  
a 2.296443619446494 2.4632e-08 au
q 2.115111201761044 1.1317e-07 au
i 5.76746480461427 5.8173e-06 deg
node 225.34694399 5.8914e-05 deg
peri 30.17537059083945 7.1356e-05 deg
M 282.9943850251279 4.1493e-05 deg
tp 2458872.395488035425
(2020-Jan-23.89548804)
0.00014774 TDB
period 1271.106992973089
3.48
2.0451e-05
5.599e-08
d
yr
n .2832177007837621 4.5568e-09 deg/d
Q 2.477776037131944 2.6577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      3619 days (9.91 yr)  
   first obs. used      2009-04-02  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54348  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:59:21  

Additional Information
 Earth MOID = 1.10259 au 
 Jupiter MOID = 2.54146 au 
 T_jup = 3.584 
[ 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 17.7   n/a MPO428110  

469248 (2016 JA21)          Discovered 2009-Apr-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-06-21

Alternate Designations
 2016 JA21 = 2015 BL44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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