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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07375713568658381 3.2075e-08  
a 2.898477354382602 1.1548e-08 au
q 2.684693966870914 9.7312e-08 au
i 2.759410469042019 2.7568e-06 deg
node 52.1560277352405 6.7967e-05 deg
peri 278.0962209545745 7.1231e-05 deg
M 334.1516920221144 1.9875e-05 deg
tp 2459129.914492352873
(2020-Oct-07.41449235)
9.9341e-05 TDB
period 1802.408779982563
4.93
1.0772e-05
2.949e-08
d
yr
n .19973271546285 1.1937e-09 deg/d
Q 3.11226074189429 1.24e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3115  
   data-arc span      24361 days (66.70 yr)  
   first obs. used      1954-03-07  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:11:26  

Additional Information
 Earth MOID = 1.67548 au 
 Jupiter MOID = 2.14257 au 
 T_jup = 3.282 
[ 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 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

[ show close-approach data ]
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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