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JPL Small-Body Database Browser
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243984 (2001 RS57)
Classification: Main-belt Asteroid          SPK-ID: 2243984
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1022300965694552 7.6317e-08  
a 3.008690799013767 3.5122e-08 au
q 2.701112048082959 2.1735e-07 au
i 13.28847541646656 6.149e-06 deg
node 6.270571734735915 2.4639e-05 deg
peri 338.762378006336 4.0414e-05 deg
M 138.0260481404554 3.7039e-05 deg
tp 2457869.658304079281
(2017-Apr-26.15830408)
0.00019011 TDB
period 1906.183753545745
5.22
3.3378e-05
9.138e-08
d
yr
n .1888590222901407 3.307e-09 deg/d
Q 3.316269549944576 3.8712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      6377 days (17.46 yr)  
   first obs. used      2001-08-25  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57848  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:42:44  

Additional Information
 Earth MOID = 1.69856 au 
 Jupiter MOID = 2.12799 au 
 T_jup = 3.202 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457184.5 (2015-Jun-11.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1014062250992865 7.6393e-08  
q 2.703126533876895 2.1726e-07 au
tp 2457871.040227008673
(2017-Apr-27.54022701)
0.00019075 TDB
node 6.28965154750371 2.4635e-05 deg
peri 339.0837098209145 4.0529e-05 deg
i 13.29000873380276 6.1495e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      6377 days (17.46 yr)  
   first obs. used      2001-08-25  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57848  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:42:44  

Additional Information
 Jupiter MOID = 2.12799 au 
 T_jup = 3.202 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.83584015158979E-15 -1.645773481177778E-14 7.149977949145739E-12 2.435978179299578E-14 9.373422243155904E-13 3.55874098275488E-15
q -1.645773481177778E-14 4.720013125410808E-14 -1.886084952952994E-11 -6.571280295813562E-14 -2.467825916544165E-12 -8.058103971644357E-15
tp 7.149977949145739E-12 -1.886084952952994E-11 3.63866574517019E-8 2.016165624205222E-11 6.123958715493146E-9 -2.457197722160905E-11
node 2.435978179299578E-14 -6.571280295813562E-14 2.016165624205222E-11 6.068732439763535E-10 -5.879844680389257E-10 7.92524272297608E-12
peri 9.373422243155904E-13 -2.467825916544165E-12 6.123958715493146E-9 -5.879844680389257E-10 1.642586167194351E-9 -1.245489282149767E-11
i 3.55874098275488E-15 -8.058103971644357E-15 -2.457197722160905E-11 7.92524272297608E-12 -1.245489282149767E-11 3.781627080060061E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO338729  
diameter diameter 4.093 km 1.666 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.152   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243984 (2001 RS57)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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