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
JPL Small-Body Database Browser
Search: [ help ]  
3455 Kristensen (1985 QC)
Classification: Main-belt Asteroid          SPK-ID: 2003455
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0648513808154564 3.0531e-08  
a 2.243346086448852 6.231e-09 au
q 2.097861995095694 6.8494e-08 au
i 3.556493198420522 3.3524e-06 deg
node 168.7828723663291 5.3887e-05 deg
peri 359.6891763286275 6.1392e-05 deg
M 289.9198489369344 3.1106e-05 deg
tp 2459239.410574728416
(2021-Jan-24.91057473)
0.00010645 TDB
period 1227.277704136662
3.36
5.1132e-06
1.4e-08
d
yr
n .2933321438062339 1.2221e-09 deg/d
Q 2.388830177802011 6.6351e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2509  
   data-arc span      19330 days (52.92 yr)  
   first obs. used      1967-03-05  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45381  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:47:48  

Additional Information
 Earth MOID = 1.10385 au 
 Jupiter MOID = 2.57451 au 
 T_jup = 3.627 
[ 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 13.1   n/a MPO448948  
diameter diameter 5.945 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.111 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Willis, S. (2004) Minor Planet Bull. 31, 82-83.]
[Pray, D.P. (2011) http://www.geocities.com/dppray_2000/]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.334   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3455 Kristensen (1985 QC)          Discovered 1985-Aug-20 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1985 QC = 1967 EC = 1978 NF4 = 1979 XH1 = 1982 SJ4 = 1982 UH5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-30 05:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin