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JPL Small-Body Database Browser
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461397 (2001 SD170)
Classification: Amor [NEO]          SPK-ID: 2461397
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5287087508052596 1.1476e-07  
a 2.274763924668127 4.5323e-08 au
q 1.072076331679972 2.5163e-07 au
i 25.26732001368549 2.3645e-05 deg
node 197.0219977165524 1.9178e-05 deg
peri 215.9223567774043 3.8514e-05 deg
M 33.01123356612956 6.4346e-05 deg
tp 2458485.588848203229
(2019-Jan-02.08884820)
0.00022056 TDB
period 1253.149615386749
3.43
3.7452e-05
1.025e-07
d
yr
n .2872761524879023 8.5856e-09 deg/d
Q 3.477451517656283 6.9285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      6222 days (17.03 yr)  
   first obs. used      2001-07-25  
   last obs. used      2018-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40364  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Aug-08 07:07:12  

Additional Information
 Earth MOID = .135216 au 
 Jupiter MOID = 2.13281 au 
 T_jup = 3.302 
[ 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 18.0   n/a MPO413535  

461397 (2001 SD170)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: Last Updated: 2016-03-24

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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