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JPL Small-Body Database Browser
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442303 (2011 SO57)
Classification: Main-belt Asteroid          SPK-ID: 2442303
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .238338600615373 2.006e-07  
a 2.581392172836712 5.6248e-08 au
q 1.966146774723333 5.5727e-07 au
i 3.675675098650648 9.8983e-06 deg
node 208.3050622249584 8.1301e-05 deg
peri 157.4313290833294 8.7275e-05 deg
M 316.7003015631667 1.7213e-05 deg
tp 2458782.705625357827
(2019-Oct-26.20562536)
6.8984e-05 TDB
period 1514.884109978454
4.15
4.9513e-05
1.356e-07
d
yr
n .2376419408116441 7.7672e-09 deg/d
Q 3.196637570950091 6.9654e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      4277 days (11.71 yr)  
   first obs. used      2008-02-11  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56125  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:00:21  

Additional Information
 Earth MOID = .96444 au 
 Jupiter MOID = 2.26922 au 
 T_jup = 3.381 
[ 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 17.4   n/a MPO446754  

442303 (2011 SO57)          Discovered 2011-Sep-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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