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14978 (1997 SD25)
Classification: Main-belt Asteroid          SPK-ID: 2014978
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07702782716251402 3.4515e-08  
a 3.036267354112351 1.8974e-08 au
q 2.802390277140602 1.0964e-07 au
i 10.41239182795804 5.5658e-06 deg
node 195.0479157384113 2.1172e-05 deg
peri 252.8704701558154 4.2575e-05 deg
M 329.1872217035639 3.6398e-05 deg
tp 2458765.900493245547
(2019-Oct-09.40049325)
0.00019555 TDB
period 1932.450783747864
5.29
1.8114e-05
4.959e-08
d
yr
n .1862919371751363 1.7462e-09 deg/d
Q 3.270144431084101 2.0436e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1566  
   data-arc span      8652 days (23.69 yr)  
   first obs. used      1995-05-29  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52772  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:29:50  

Additional Information
 Earth MOID = 1.84025 au 
 Jupiter MOID = 1.95929 au 
 T_jup = 3.212 
[ 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 MPO337385  
diameter diameter 7.680 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.189   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14978 (1997 SD25)          Discovered 1997-Sep-30 by Kawasato, N. at Uenohara
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1997 SD25 = 1999 AT34 = 1999 CS102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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