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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5286172040793754 1.1477e-07  
a 2.274394703368465 4.5207e-08 au
q 1.072110534300887 2.5172e-07 au
i 25.26772913464718 2.3647e-05 deg
node 197.020801557332 1.9176e-05 deg
peri 215.9048720792502 3.8531e-05 deg
M 147.9832366290677 6.779e-05 deg
tp 2458485.500033434800
(2019-Jan-02.00003343)
0.00022061 TDB
period 1252.844526087725
3.43
3.7353e-05
1.023e-07
d
yr
n .2873461091969465 8.5671e-09 deg/d
Q 3.476678872436044 6.9104e-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 = .13584 au 
 Jupiter MOID = 2.13547 au 
 T_jup = 3.303 
[ 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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