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49204 (1998 SR116)
Classification: Main-belt Asteroid          SPK-ID: 2049204
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09562047754997713 4.3095e-08  
a 2.567038383578909 1.1078e-08 au
q 2.321576947451972 1.11e-07 au
i 3.595611252668215 4.534e-06 deg
node 292.7315860742091 6.1932e-05 deg
peri 181.1793863086915 6.5463e-05 deg
M 275.1402106206997 2.185e-05 deg
tp 2458954.616708949665
(2020-Apr-15.11670895)
9.2211e-05 TDB
period 1502.266458051989
4.11
9.7243e-06
2.662e-08
d
yr
n .2396379138137832 1.5512e-09 deg/d
Q 2.812499819705846 1.2137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1601  
   data-arc span      10602 days (29.03 yr)  
   first obs. used      1990-11-24  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53425  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:17:50  

Additional Information
 Earth MOID = 1.33832 au 
 Jupiter MOID = 2.26795 au 
 T_jup = 3.423 
[ 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 14.1   n/a MPO452839  
diameter diameter 4.145 km 0.687 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.258   0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49204 (1998 SR116)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SR116 = 2000 AJ144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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