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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1102493703050971 6.2714e-08  
a 3.225385154689265 3.7168e-08 au
q 2.869788472393366 2.0978e-07 au
i 15.44818905412289 8.3028e-06 deg
node 318.7437094319107 2.0453e-05 deg
peri 67.90496260153292 4.0001e-05 deg
M 13.99212363488501 3.215e-05 deg
tp 2458918.265901818763
(2020-Mar-09.76590182)
0.00018897 TDB
period 2115.781429449085
5.79
3.6572e-05
1.001e-07
d
yr
n .1701499006415507 2.9411e-09 deg/d
Q 3.580981836985165 4.1266e-08 au
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      6708 days (18.37 yr)  
   first obs. used      2001-07-19  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52494  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:11:35  

Additional Information
 Earth MOID = 1.91429 au 
 Jupiter MOID = 1.97292 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-August); 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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