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115512 (2003 UB36)
Classification: Main-belt Asteroid          SPK-ID: 2115512
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1210144826232298 6.5121e-08  
a 3.160373460351454 2.3418e-08 au
q 2.777922501150836 2.162e-07 au
i 17.80346255017523 4.204e-06 deg
node 264.0668317499298 1.6432e-05 deg
peri 179.263474953616 2.8636e-05 deg
M 4.03102740410995 2.1126e-05 deg
tp 2459373.521626420217
(2021-Jun-08.02162642)
0.00012041 TDB
period 2052.135512720092
5.62
2.2809e-05
6.245e-08
d
yr
n .1754270114076542 1.9498e-09 deg/d
Q 3.542824419552071 2.6252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      885  
   data-arc span      8071 days (22.10 yr)  
   first obs. used      1998-12-15  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48578  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 00:35:14  

Additional Information
 Earth MOID = 1.79397 au 
 Jupiter MOID = 1.71502 au 
 T_jup = 3.120 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458639.5 (2019-Jun-05.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1202200967041572 6.5117e-08  
q 2.780183046922983 2.1613e-07 au
tp 2459373.573796741324
(2021-Jun-08.07379674)
0.00012148 TDB
node 264.0647409278135 1.6427e-05 deg
peri 179.194706918042 2.8821e-05 deg
i 17.8053924389225 4.2053e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      885  
   data-arc span      8071 days (22.10 yr)  
   first obs. used      1998-12-15  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48578  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 00:35:14  

Additional Information
 Jupiter MOID = 1.71502 au 
 T_jup = 3.120 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.240216818206663E-15 -1.402306113884064E-14 -1.189564468639573E-12 -5.88267926159956E-14 1.912480495046673E-13 -1.28450174083055E-14
q -1.402306113884064E-14 4.671023812874157E-14 3.877628369999403E-12 2.007356473426865E-13 -6.758630772921944E-13 4.248014783177089E-14
tp -1.189564468639573E-12 3.877628369999403E-12 1.475693504909376E-8 3.802804892223847E-11 2.811776691317015E-9 3.246728432701987E-11
node -5.88267926159956E-14 2.007356473426865E-13 3.802804892223847E-11 2.698537431336817E-10 -2.545811176692218E-10 -4.136625007302619E-11
peri 1.912480495046673E-13 -6.758630772921944E-13 2.811776691317015E-9 -2.545811176692218E-10 8.30655402444628E-10 4.479200970095345E-11
i -1.28450174083055E-14 4.248014783177089E-14 3.246728432701987E-11 -4.136625007302619E-11 4.479200970095345E-11 1.768466996006817E-11

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 14.47   n/a E2021B55  
diameter diameter 8.767 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115512 (2003 UB36)          Discovered 2003-Oct-16 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 2003 UB36 = 1998 XO87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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