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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1984300584674941 1.7362e-08  
a 2.248886794113708 4.2481e-09 au
q 1.802640056070949 3.954e-08 au
i 4.421550896130889 8.4429e-07 deg
node 285.7817997905163 9.0549e-06 deg
peri 85.00107104871556 9.9777e-06 deg
M 129.8091802362502 5.2381e-06 deg
tp 2458756.326417863924
(2019-Sep-29.82641786)
1.7671e-05 TDB
period 1231.827281229016
3.37
3.4903e-06
9.556e-09
d
yr
n .292248763674743 8.2807e-10 deg/d
Q 2.695133532156466 5.091e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2832  
   data-arc span      30134 days (82.50 yr)  
   first obs. used      1938-09-16  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44247  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:34:54  

Additional Information
 Earth MOID = .807452 au 
 Jupiter MOID = 2.79472 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 13.31   n/a E2021B10  
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

[ hide close-approach data ]
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 38 CATAB v2.0f-lin.ifort 2021-Apr-12 12:35:44 2021-Apr-12 12:35
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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