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7030 Colombini (1993 YU)
Classification: Main-belt Asteroid          SPK-ID: 2007030
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2378110151974906 3.3084e-08  
a 2.439643544922883 8.207e-09 au
q 1.859469436784768 8.1914e-08 au
i 9.334556744572772 5.0485e-06 deg
node 248.4086701875031 2.2688e-05 deg
peri 44.81887236770424 2.5319e-05 deg
M 57.10699461371945 1.1796e-05 deg
tp 2458779.712340456199
(2019-Oct-23.21234046)
4.5328e-05 TDB
period 1391.835763261709
3.81
7.0233e-06
1.923e-08
d
yr
n .2586512069185197 1.3052e-09 deg/d
Q 3.019817653060999 1.0159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2251  
   data-arc span      15393 days (42.14 yr)  
   first obs. used      1978-09-08  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40088  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:31:10  

Additional Information
 Earth MOID = .856484 au 
 Jupiter MOID = 2.19941 au 
 T_jup = 3.445 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO279589  
diameter diameter 6.529 km 0.479 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.5937 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.074   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7030 Colombini (1993 YU)          Discovered 1993-Dec-18 by Vagnozzi, A. at Stroncone
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1993 YU = 1978 RO16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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