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115795 (2003 UM227)
Classification: Main-belt Asteroid          SPK-ID: 2115795
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2041014973185015 5.2009e-08  
a 2.612220253346328 1.8622e-08 au
q 2.079062188312627 1.3664e-07 au
i 18.05080270446908 6.7594e-06 deg
node 228.2911768039407 1.1064e-05 deg
peri 334.1661303179471 1.6678e-05 deg
M 227.020723565577 1.4516e-05 deg
tp 2459770.132264504120
(2022-Jul-09.63226450)
6.5856e-05 TDB
period 1542.102053191796
4.22
1.649e-05
4.515e-08
d
yr
n .2334475849084585 2.4963e-09 deg/d
Q 3.145378318380029 2.2423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      7742 days (21.20 yr)  
   first obs. used      1999-11-05  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5216  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:12  

Additional Information
 Earth MOID = 1.08464 au 
 Jupiter MOID = 1.8802 au 
 T_jup = 3.311 
[ 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 15.53   n/a MPCxxxxx  
diameter diameter 5.693 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115795 (2003 UM227)          Discovered 2003-Oct-23 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 UM227 = 2001 FK135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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