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JPL Small-Body Database Browser
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163899 (2003 SD220)
Classification: Aten [NEO, PHA]          SPK-ID: 2163899
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 110 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .210689301511821 1.284e-08  
a .8266952929233122 2.3565e-09 au
q .6525194390941893 1.1658e-08 au
i 8.514839691336228 2.4112e-06 deg
node 273.9168522618616 2.7212e-06 deg
peri 326.930403243712 4.8569e-06 deg
M 28.01244825572441 4.2303e-06 deg
tp 2458579.136854879991
(2019-Apr-05.63685488)
3.2337e-06 TDB
period 274.5469504484141
0.75
1.1739e-06
3.214e-09
d
yr
n 1.311251133593058 5.6065e-09 deg/d
Q 1.000871146752435 2.853e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1075  
   # delay obs. used      9  
   # Doppler obs. used      4  
   data-arc span      7216 days (19.76 yr)  
   first obs. used      2000-01-06  
   last obs. used      2019-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .19936  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-11 06:28:39  

Additional Information
 Earth MOID = .0181259 au 
 Jupiter MOID = 4.00548 au 
 T_jup = 7.065 
[ 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 17.2   n/a MPO459753  
diameter diameter 0.791 km 0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 285. h n/a LCDB (Rev. 2019-January); 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:
[Warner, B.D. (2016) Minor Planet Bull. 43, 143-154.]
geometric albedo albedo 0.340   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

163899 (2003 SD220)          Discovered 2003-Sep-29 by LONEOS at Anderson Mesa
Reference: 20070926/Numbers.arcLast Updated: 2007-09-30

[ show close-approach data ]
Alternate Designations
 2003 SD220 = 2000 AD229 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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