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471956 (2013 SC25)
Classification: Apollo [NEO]          SPK-ID: 2471956
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 101 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6487526902704337 3.065e-08  
a 1.604312225530947 1.1233e-08 au
q .5635103531839986 4.7643e-08 au
i 10.1624605085066 3.8619e-06 deg
node 272.998836089926 2.3787e-05 deg
peri 237.9990423682905 2.313e-05 deg
M 243.3761139173589 1.5022e-05 deg
tp 2459636.945566851822
(2022-Feb-26.44556685)
3.3401e-05 TDB
period 742.2184852022355
2.03
7.7953e-06
2.134e-08
d
yr
n .4850323822127783 5.0942e-09 deg/d
Q 2.645114097877896 1.8521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      2463 days (6.74 yr)  
   first obs. used      2013-09-29  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41207  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:27:38  

Additional Information
 Earth MOID = .0732458 au 
 Jupiter MOID = 2.44416 au 
 T_jup = 4.075 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457885.5 (2017-May-12.0) TDB
Reference: JPL 101 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .648170206570392 3.0649e-08  
q .5644833625665682 4.7618e-08 au
tp 2458152.174228423519
(2018-Feb-02.67422842)
1.8786e-05 TDB
node 273.0842148392314 2.3734e-05 deg
peri 237.9135634596232 2.3082e-05 deg
i 10.17160859690733 3.8646e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      2463 days (6.74 yr)  
   first obs. used      2013-09-29  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41207  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:27:38  

Additional Information
 Jupiter MOID = 2.44416 au 
 T_jup = 4.075 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.393666960647306E-16 -1.455224004963896E-15 1.019151529927151E-13 -6.842983304903349E-15 7.282964783752027E-14 9.588808829120991E-15
q -1.455224004963896E-15 2.267469990102065E-15 -9.692245221960588E-14 1.783120994018908E-14 -1.104953925148796E-13 -1.047587821375827E-14
tp 1.019151529927151E-13 -9.692245221960588E-14 3.529081924127014E-10 8.025879726296419E-11 -4.253598950863516E-12 3.031290945859554E-11
node -6.842983304903349E-15 1.783120994018908E-14 8.025879726296419E-11 5.632874393312092E-10 -5.342792718362919E-10 -2.590898574641545E-11
peri 7.282964783752027E-14 -1.104953925148796E-13 -4.253598950863516E-12 -5.342792718362919E-10 5.327708853596384E-10 3.259208657674876E-11
i 9.588808829120991E-15 -1.047587821375827E-14 3.031290945859554E-11 -2.590898574641545E-11 3.259208657674876E-11 1.493542914780369E-11

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 19.32   n/a E2021B25  
rotation period rot_per 12.96 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2014) Minor Planet Bull. 41, 113-124.]

471956 (2013 SC25)          Discovered 2013-Sep-29 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2016-08-22

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