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115884 (2003 UD309)
Classification: Main-belt Asteroid          SPK-ID: 2115884
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07292744382258085 4.3015e-08  
a 2.804498891158389 2.3532e-08 au
q 2.599973955822945 1.1609e-07 au
i 2.711868181372087 5.3617e-06 deg
node 208.0450316045859 0.00010102 deg
peri 278.4920054752678 0.000108 deg
M 160.4557697841272 4.0024e-05 deg
tp 2458435.900211694118
(2018-Nov-13.40021169)
0.00018789 TDB
period 1715.462922651141
4.70
2.1591e-05
5.911e-08
d
yr
n .2098558909356329 2.6413e-09 deg/d
Q 3.009023826493832 2.5248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      7977 days (21.84 yr)  
   first obs. used      1998-10-14  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55758  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:37  

Additional Information
 Earth MOID = 1.6168 au 
 Jupiter MOID = 2.03054 au 
 T_jup = 3.318 
[ 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 16.11   n/a E2021B55  
diameter diameter 3.577 km 0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115884 (2003 UD309)          Discovered 2003-Oct-19 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 UD309 = 1998 TZ22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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