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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1983209051510539 3.5559e-08  
a 2.248885520936558 4.461e-09 au
q 1.80288450884332 8.0101e-08 au
i 4.421760388204544 3.1142e-06 deg
node 285.7830703057704 4.9763e-05 deg
peri 84.99594096032661 5.0442e-05 deg
M 71.37644266510834 7.4524e-06 deg
tp 2458756.268403758488
(2019-Sep-29.76840376)		 2.5506e-05 TDB
period 1231.82623515538
3.37		 3.6653e-06
1.004e-08		 d
yr
n .2922490118540059 8.6958e-10 deg/d
Q 2.694886533029796 5.3457e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2335  
   data-arc span      29665 days (81.22 yr)  
   first obs. used      1938-09-16  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45903  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:01:39  

Additional Information
 Earth MOID = .809168 au 
 Jupiter MOID = 2.7939 au 
 T_jup = 3.599 
[ 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 13.3   n/a MPO502168  
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-August); 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

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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