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243261 (2007 YM28)
Classification: Main-belt Asteroid          SPK-ID: 2243261
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0754797428017818 6.2586e-08  
a 3.129515420664682 4.6555e-08 au
q 2.893300401618701 2.1316e-07 au
i 12.92575992027024 8.3855e-06 deg
node 173.4445462638913 2.8958e-05 deg
peri 76.94537931372948 7.2686e-05 deg
M 276.6768022405044 7.3008e-05 deg
tp 2459068.534102958735
(2020-Aug-07.03410296)
0.00041524 TDB
period 2022.153272987448
5.54
4.5122e-05
1.235e-07
d
yr
n .1780280480263251 3.9725e-09 deg/d
Q 3.365730439710662 5.0069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      8055 days (22.05 yr)  
   first obs. used      1997-04-09  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62465  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:10:41  

Additional Information
 Earth MOID = 1.91604 au 
 Jupiter MOID = 1.71669 au 
 T_jup = 3.170 
[ 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 15.2   n/a MPO433594  
diameter diameter 5.299 km 0.415 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243261 (2007 YM28)          Discovered 2007-Dec-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2007 YM28 = 2005 SN270 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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