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175672 (1994 UN7)
Classification: Main-belt Asteroid          SPK-ID: 2175672
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2672308936360948 5.2983e-08  
a 3.188669707390406 2.6405e-08 au
q 2.336558651974123 1.6454e-07 au
i 4.317875471604399 6.2972e-06 deg
node 249.5445806538853 7.9092e-05 deg
peri 84.91491157413593 8.0329e-05 deg
M 236.1166206014927 1.4947e-05 deg
tp 2459916.187239527593
(2022-Dec-02.68723953)
9.2896e-05 TDB
period 2079.757651760006
5.69
2.5833e-05
7.073e-08
d
yr
n .1730970912381777 2.1501e-09 deg/d
Q 4.04078076280669 3.3461e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      9305 days (25.48 yr)  
   first obs. used      1994-10-28  
   last obs. used      2020-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56919  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:21  

Additional Information
 Earth MOID = 1.32977 au 
 Jupiter MOID = 1.41191 au 
 T_jup = 3.136 
[ 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 15.65   n/a E2021B55  
diameter diameter 3.459 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.071   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

175672 (1994 UN7)          Discovered 1994-Oct-28 by Spacewatch at Kitt Peak
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 1994 UN7 = 2005 MF42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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