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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1983209235189883 3.5186e-08  
a 2.248885519928538 4.4218e-09 au
q 1.80288446672783 7.9198e-08 au
i 4.421759231112939 3.0613e-06 deg
node 285.7831193556999 4.8643e-05 deg
peri 84.99590638259559 4.9333e-05 deg
M 71.37643287788295 7.3421e-06 deg
tp 2458756.268437412033
(2019-Sep-29.76843741)		 2.5142e-05 TDB
period 1231.826234327166
3.37		 3.633e-06
9.947e-09		 d
yr
n .2922490120504984 8.6193e-10 deg/d
Q 2.694886573129246 5.2987e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2596  
   data-arc span      29992 days (82.11 yr)  
   first obs. used      1938-09-16  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:18:04  

Additional Information
 Earth MOID = .809167 au 
 Jupiter MOID = 2.7939 au 
 T_jup = 3.599 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456658.5 (2014-Jan-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1991762460507575 3.5305e-08  
q 1.800885196673004 7.9571e-08 au
tp 2456292.885808569446
(2012-Dec-31.38580857)		 2.6079e-05 TDB
node 285.8950613885528 4.8703e-05 deg
peri 84.84801175532752 4.9374e-05 deg
i 4.419073183197501 3.0602e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2596  
   data-arc span      29992 days (82.11 yr)  
   first obs. used      1938-09-16  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:18:04  

Additional Information
 Jupiter MOID = 2.7939 au 
 T_jup = 3.599 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.246459699076995E-15 -2.806451715531281E-15 -1.127043550338841E-13 -3.99333762971611E-15 -5.962480446825052E-14 -2.88950925864315E-15
q -2.806451715531281E-15 6.331485672594115E-15 2.231327231963887E-13 9.474056043618822E-15 1.251516302202489E-13 6.568552545639305E-15
tp -1.127043550338841E-13 2.231327231963887E-13 6.801245251561745E-10 4.05616739863487E-13 2.239831090517254E-10 7.583957382784712E-14
node -3.99333762971611E-15 9.474056043618822E-15 4.05616739863487E-13 2.371999058605024E-9 -2.364416021986341E-9 1.439612030023293E-11
peri -5.962480446825052E-14 1.251516302202489E-13 2.239831090517254E-10 -2.364416021986341E-9 2.437750501085445E-9 -1.427278805076704E-11
i -2.88950925864315E-15 6.568552545639305E-15 7.583957382784712E-14 1.439612030023293E-11 -1.427278805076704E-11 9.365102004687955E-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 13.3   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. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2016) http://www.asu.cas.cz/~ppravec/neo.htm]
[Aznar, A.M. (2017) Minor Planet Bull. 44, 139-141.]
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
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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