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JPL Small-Body Database Browser
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3303 Merta (1967 UN)
Classification: Main-belt Asteroid          SPK-ID: 2003303
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07375713298058369 3.2253e-08  
a 2.898477361923214 1.3887e-08 au
q 2.684693981698632 9.8733e-08 au
i 2.759416543858794 3.593e-06 deg
node 52.15600896735667 6.8676e-05 deg
peri 278.096250819717 7.2804e-05 deg
M 334.1516782626668 2.4318e-05 deg
tp 2459129.914561747199
(2020-Oct-07.41456175)
0.00012192 TDB
period 1802.408787016221
4.93
1.2953e-05
3.546e-08
d
yr
n .19973271468342 1.4354e-09 deg/d
Q 3.112260742147796 1.4911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2665  
   data-arc span      24159 days (66.14 yr)  
   first obs. used      1954-03-07  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44363  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:52:20  

Additional Information
 Earth MOID = 1.67548 au 
 Jupiter MOID = 2.14257 au 
 T_jup = 3.282 
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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 12.0   n/a MPO435729  
diameter diameter 9.938 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.225   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3303 Merta (1967 UN)          Discovered 1967-Oct-30 by Kohoutek, L. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1967 UN = 1927 UG = 1971 QY = 1971 SY = 1976 SK7 = 1981 RF5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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