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249487 (2009 UP87)
Classification: Main-belt Asteroid          SPK-ID: 2249487
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1463655545167774 7.0719e-08  
a 2.682968686271558 2.817e-08 au
q 2.290274486754272 2.0195e-07 au
i 10.6869891786476 5.092e-06 deg
node 235.2170439626182 3.83e-05 deg
peri 256.3484825785455 4.623e-05 deg
M 351.2499550867505 2.1405e-05 deg
tp 2458639.514820595417
(2019-Jun-05.01482060)
9.5432e-05 TDB
period 1605.172950950515
4.39
2.528e-05
6.921e-08
d
yr
n .2242748980954503 3.5321e-09 deg/d
Q 3.075662885788845 3.2293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      6647 days (18.20 yr)  
   first obs. used      2000-11-30  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58871  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:35:58  

Additional Information
 Earth MOID = 1.33327 au 
 Jupiter MOID = 2.12173 au 
 T_jup = 3.335 
[ 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 16.0   n/a MPO418332  
diameter diameter 3.648 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249487 (2009 UP87)          Discovered 2009-Oct-24 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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