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 ]  
985 Rosina (A922 TC)
Classification: Mars-crossing Asteroid          SPK-ID: 2000985
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2774623358709072 4.2173e-08  
a 2.299979313689437 5.3313e-09 au
q 1.661821680858399 9.7786e-08 au
i 4.056564699324706 3.8268e-06 deg
node 290.3070484112118 5.2866e-05 deg
peri 59.55360499146945 5.3175e-05 deg
M 262.5850859363285 7.5034e-06 deg
tp 2458945.252379788881
(2020-Apr-05.75237979)
2.7231e-05 TDB
period 1274.043691532457
3.49
4.4298e-06
1.213e-08
d
yr
n .2825648777923632 9.8246e-10 deg/d
Q 2.938136946520474 6.8105e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2445  
   data-arc span      35366 days (96.83 yr)  
   first obs. used      1922-10-14  
   last obs. used      2019-08-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45016  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:13:51  

Additional Information
 Earth MOID = .659274 au 
 Jupiter MOID = 2.5085 au 
 T_jup = 3.537 
[ 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 12.7   n/a MPO435704  
rotation period rot_per 3.0126 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Martinez, J.; Aymami, J.M.; Bosque, R.; Martin, J. (2010) Minor Planet Bull. 37, 42-43.]
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

985 Rosina (A922 TC)          Discovered 1922-Oct-14 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
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