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JPL Small-Body Database Browser
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215701 (2003 YD121)
Classification: Outer Main-belt Asteroid          SPK-ID: 2215701
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1099720916973683 6.2804e-08  
a 3.224684119632121 3.8023e-08 au
q 2.87005886193289 2.1004e-07 au
i 15.44847587099738 8.5463e-06 deg
node 318.7471695934424 2.0491e-05 deg
peri 67.83774516300569 4.0263e-05 deg
M 305.9616527373482 3.2691e-05 deg
tp 2458917.989050681837
(2020-Mar-09.48905068)
0.00019208 TDB
period 2115.091671659176
5.79
3.741e-05
1.024e-07
d
yr
n .1702053886475754 3.0104e-09 deg/d
Q 3.579309377331352 4.2205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      6663 days (18.24 yr)  
   first obs. used      2001-07-19  
   last obs. used      2019-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52698  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:59:34  

Additional Information
 Earth MOID = 1.91369 au 
 Jupiter MOID = 1.97483 au 
 T_jup = 3.122 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO454549  
diameter diameter 6.669 km 0.410 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.997 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:
[Polishook, D.; Ofek, E.O.; Waszczak, A.; Kulkarni, S.R.; et al. (2012). Mon. Not. Royal Ast. Soc. 421, 2094-2108.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.057   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215701 (2003 YD121)          Discovered 2003-Dec-27 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2003 YD121 = 2007 PW1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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