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JPL Small-Body Database Browser
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212338 (2005 SH278)
Classification: Main-belt Asteroid          SPK-ID: 2212338
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .222574897345362 4.8252e-08  
a 3.129669445966201 4.0268e-08 au
q 2.433083590305357 1.6342e-07 au
i 5.968764074680952 5.8543e-06 deg
node 161.4651180453619 4.9949e-05 deg
peri 127.9341728754375 5.1749e-05 deg
M 231.3493115757089 1.4303e-05 deg
tp 2459323.196157517218
(2021-Apr-18.69615752)
8.9104e-05 TDB
period 2022.302561243618
5.54
3.903e-05
1.069e-07
d
yr
n .1780149058302223 3.4356e-09 deg/d
Q 3.826255301627044 4.9231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      1999-09-04  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57618  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:51:38  

Additional Information
 Earth MOID = 1.42193 au 
 Jupiter MOID = 1.42634 au 
 T_jup = 3.167 
[ 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 15.4   n/a MPO433387  
diameter diameter 3.013 km 0.309 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.123   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212338 (2005 SH278)          Discovered 2005-Sep-23 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 SH278 = 1999 RE247 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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