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JPL Small-Body Database Browser
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49235 (1998 SZ146)
Classification: Main-belt Asteroid          SPK-ID: 2049235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3146637044259603 4.8081e-08  
a 2.604125942633466 9.2011e-09 au
q 1.784702026732674 1.2316e-07 au
i 12.72704593688246 6.2922e-06 deg
node 19.89365999076391 1.6982e-05 deg
peri 313.2651016782023 1.94e-05 deg
M 349.165804733339 9.4936e-06 deg
tp 2458646.693999030415
(2019-Jun-12.19399903)
4.057e-05 TDB
period 1534.93999707785
4.20
8.1351e-06
2.227e-08
d
yr
n .2345368553072771 1.243e-09 deg/d
Q 3.423549858534258 1.2096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      909  
   data-arc span      8272 days (22.65 yr)  
   first obs. used      1997-04-11  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53924  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:17:50  

Additional Information
 Earth MOID = .801491 au 
 Jupiter MOID = 2.06562 au 
 T_jup = 3.308 
[ 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 14.9   n/a MPO359070  
diameter diameter 5.598 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

49235 (1998 SZ146)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SZ146 = 2001 FO168 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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