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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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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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1906-Apr-23 08:43 < 00:01 Juno 0.0409551370970393 0.0409506097144673 0.0409596645414394 5.35131816547105 5.35131810996033 2417323.863355533 0.417579280903975 239.327725587013 25.3195176092136 19.5896843324109 84589.9381866861 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 20:23:37 2019-Dec-03 20:23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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