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JPL Small-Body Database Browser
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1530 Rantaseppa (1938 SG)
Classification: Main-belt Asteroid          SPK-ID: 2001530
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1981913830629086 3.559e-08  
a 2.248663862495141 4.4864e-09 au
q 1.802998061543647 8.0126e-08 au
i 4.421615119416512 3.1317e-06 deg
node 285.7837558538039 4.9856e-05 deg
peri 84.95599168277128 5.0536e-05 deg
M 314.4986041698131 7.4935e-06 deg
tp 2458756.170907249784
(2019-Sep-29.67090725)		 2.5626e-05 TDB
period 1231.644119645726
3.37		 3.686e-06
1.009e-08		 d
yr
n .2922922248868053 8.7476e-10 deg/d
Q 2.694329663446635 5.3756e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2315  
   data-arc span      29659 days (81.20 yr)  
   first obs. used      1938-09-16  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46094  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:23:23  

Additional Information
 Earth MOID = .808442 au 
 Jupiter MOID = 2.79104 au 
 T_jup = 3.599 
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Orbital Elements at Epoch 2456499.5 (2013-Jul-26.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989252550477002 3.5695e-08  
q 1.801788681598213 8.0487e-08 au
tp 2456292.939056411421
(2012-Dec-31.43905641)		 2.6431e-05 TDB
node 285.8951834318338 4.9912e-05 deg
peri 84.9129425564353 5.0574e-05 deg
i 4.418791546885114 3.1304e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2315  
   data-arc span      29659 days (81.20 yr)  
   first obs. used      1938-09-16  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46094  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:23:23  

Additional Information
 Jupiter MOID = 2.79104 au 
 T_jup = 3.599 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.274141451258191E-15 -2.870101843032362E-15 -1.253708277946227E-13 -5.898536519629562E-15 -6.056089912916579E-14 -3.033007826128154E-15
q -2.870101843032362E-15 6.478089321737361E-15 2.531296185290955E-13 1.380827860820601E-14 1.276689858279142E-13 6.894026979459997E-15
tp -1.253708277946227E-13 2.531296185290955E-13 6.985801686802829E-10 1.905796509420444E-13 2.29234113851454E-10 9.607506594831238E-14
node -5.898536519629562E-15 1.380827860820601E-14 1.905796509420444E-13 2.491201702017989E-9 -2.483303119967983E-9 2.036524500855743E-11
peri -6.056089912916579E-14 1.276689858279142E-13 2.29234113851454E-10 -2.483303119967983E-9 2.557721194483768E-9 -2.021756692357723E-11
i -3.033007826128154E-15 6.894026979459997E-15 9.607506594831238E-14 2.036524500855743E-11 -2.021756692357723E-11 9.799108255978577E-12

[ 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 13.2   n/a MPO435710  
diameter diameter 5.044 km 0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.5258 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2016) http://www.asu.cas.cz/~ppravec/neo.htm]
[Aznar Macias, A. (2017) Minor Planet Bull. 44, 139-141.]
geometric albedo albedo 0.400   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1530 Rantaseppa (1938 SG)          Discovered 1938-Sep-16 by Vaisala, Y. at Turku
Independent discovery Sept. 18 by E. Delporte, Uccle, was announced first.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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