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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
26885 (1994 RN12)
Classification: Main-belt Asteroid          SPK-ID: 2026885
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713854113530391 3.2646e-08  
a 2.275687218666647 6.2291e-09 au
q 1.88566762858461 7.4567e-08 au
i 4.967925183493174 3.7706e-06 deg
node 157.4585179198614 3.8039e-05 deg
peri 167.2337731049618 3.9365e-05 deg
M 71.62813395502295 9.5251e-06 deg
tp 2458351.012713968790
(2018-Aug-20.51271397)
3.3148e-05 TDB
period 1253.912645939274
3.43
5.1484e-06
1.41e-08
d
yr
n .287101339288538 1.1788e-09 deg/d
Q 2.665706808748684 7.2967e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1757  
   data-arc span      17955 days (49.16 yr)  
   first obs. used      1970-08-28  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5009  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:56:09  

Additional Information
 Earth MOID = .873237 au 
 Jupiter MOID = 2.65692 au 
 T_jup = 3.585 
[ 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 14.3   n/a MPO449159  
diameter diameter 3.308 km 0.799 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.370   0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26885 (1994 RN12)          Discovered 1994-Sep-03 by Helin, E. F. at Palomar
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 RN12 = 1970 QP = 1991 VZ13 = 1998 XQ54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin