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JPL Small-Body Database Browser
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117888 (2735 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117888
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .210331537901273 7.1387e-08  
a 2.452299719659067 1.5402e-08 au
q 1.936503748228315 1.6868e-07 au
i 2.696818502939855 6.5179e-06 deg
node 11.28881608106533 0.00011234 deg
peri 329.1521736402867 0.00011366 deg
M 113.0289059143267 2.3787e-05 deg
tp 2458160.101559296790
(2018-Feb-10.60155930)
8.9381e-05 TDB
period 1402.6804680683
3.84
1.3214e-05
3.618e-08
d
yr
n .2566514670984004 2.4178e-09 deg/d
Q 2.968095691089819 1.8641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      21297 days (58.31 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:26:25  

Additional Information
 Earth MOID = .92776 au 
 Jupiter MOID = 2.42738 au 
 T_jup = 3.463 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456053.5 (2012-May-06.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2113965410371495 7.1424e-08  
q 1.933018032887578 1.6894e-07 au
tp 2456754.192562882597
(2014-Apr-06.69256288)
7.8368e-05 TDB
node 11.33331319254548 0.00011235 deg
peri 328.5582940997282 0.00011366 deg
i 2.699829273930289 6.5114e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      21297 days (58.31 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:26:25  

Additional Information
 Jupiter MOID = 2.42738 au 
 T_jup = 3.463 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.101377307272587E-15 -1.204365132708025E-14 3.103877157886045E-12 3.790888057609736E-14 4.675125541659718E-13 -3.096986533401061E-15
q -1.204365132708025E-14 2.853949075149873E-14 -6.903905356416434E-12 -8.714368582323485E-14 -1.013608387139957E-12 7.107096940162505E-15
tp 3.103877157886045E-12 -6.903905356416434E-12 6.141484172478313E-9 5.416956348578866E-11 1.339130010317263E-9 -5.342954538729587E-12
node 3.790888057609736E-14 -8.714368582323485E-14 5.416956348578866E-11 1.262249227921437E-8 -1.259612112715377E-8 9.47643825984568E-11
peri 4.675125541659718E-13 -1.013608387139957E-12 1.339130010317263E-9 -1.259612112715377E-8 1.291812765612713E-8 -9.588518986570413E-11
i -3.096986533401061E-15 7.107096940162505E-15 -5.342954538729587E-12 9.47643825984568E-11 -9.588518986570413E-11 4.239803405462249E-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 16.8   n/a MPO453649  
diameter diameter 1.449 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.133   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117888 (2735 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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