Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
7030 Colombini (1993 YU)
Classification: Main-belt Asteroid          SPK-ID: 2007030
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2375978666758748 1.2299e-08  
a 2.440430522378049 7.6524e-09 au
q 1.860589436490334 2.9594e-08 au
i 9.332464671983482 6.5987e-07 deg
node 248.4083036486538 6.6959e-06 deg
peri 44.8919236537546 7.4547e-06 deg
M 159.437528977558 5.6797e-06 deg
tp 2458779.782669098148
(2019-Oct-23.28266910)
2.0899e-05 TDB
period 1392.509282779448
3.81
6.5497e-06
1.793e-08
d
yr
n .2585261042435855 1.216e-09 deg/d
Q 3.020271608265764 9.4706e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2524  
   data-arc span      15555 days (42.59 yr)  
   first obs. used      1978-09-08  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39877  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 12:01:48  

Additional Information
 Earth MOID = .857304 au 
 Jupiter MOID = 2.19762 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 13.79   n/a E2021B10  
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. 2020-October); 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-19 22:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin