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1525 Savonlinna (1939 SC)
Classification: Main-belt Asteroid          SPK-ID: 2001525
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 .2627979083480195 2.1205e-08  
a 2.698202614641386 7.9869e-09 au
q 1.989120611214472 5.708e-08 au
i 5.866813461034209 6.7255e-07 deg
node 278.9349006398913 9.1153e-06 deg
peri 65.16918952046171 1.0137e-05 deg
M 142.0751542279972 3.2573e-06 deg
tp 2458561.610279636329
(2019-Mar-19.11027964)
1.259e-05 TDB
period 1618.863625949864
4.43
7.1879e-06
1.968e-08
d
yr
n .2223782128582764 9.8739e-10 deg/d
Q 3.407284618068299 1.0086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2691  
   data-arc span      33052 days (90.49 yr)  
   first obs. used      1930-09-17  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:34:31  

Additional Information
 Earth MOID = .98813 au 
 Jupiter MOID = 2.0576 au 
 T_jup = 3.311 
[ 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 12.98   n/a E2021B10  
diameter diameter 12.233 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 14.634 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Gartrelle, G. (2012) Minor Planet Bull. 39, 40-46.]
geometric albedo albedo 0.045   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1525 Savonlinna (1939 SC)          Discovered 1939-Sep-18 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1939 SC = 1930 SE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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