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 ]  
883 Matterania (A917 RD)
Classification: Main-belt Asteroid          SPK-ID: 2000883
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1985865755932211 3.7712e-08  
a 2.238226605707466 5.8783e-09 au
q 1.793744848678381 8.5303e-08 au
i 4.715503790534851 3.9075e-06 deg
node 285.48088144 4.3214e-05 deg
peri 42.47341791335999 4.3993e-05 deg
M 145.8230814008639 9.354e-06 deg
tp 2458105.074589353425
(2017-Dec-17.57458935)
3.1048e-05 TDB
period 1223.078994898473
3.35
4.8183e-06
1.319e-08
d
yr
n .2943391240480615 1.1595e-09 deg/d
Q 2.68270836273655 7.0457e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2597  
   data-arc span      37328 days (102.20 yr)  
   first obs. used      1917-09-15  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45817  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:13:41  

Additional Information
 Earth MOID = .784596 au 
 Jupiter MOID = 2.65734 au 
 T_jup = 3.606 
[ 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 12.59   n/a PDS3 (MPC 17260)  
diameter diameter 7.036 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.64 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[LeCrone, C.; Mills, G.; Ditteon, R. (2005) Minor Planet Bull. 32, 62-64.]
geometric albedo albedo 0.263   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.860   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=13.88 deg.
U-B UB 0.480   0.035 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=13.88 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

883 Matterania (A917 RD)          Discovered 1917-Sep-14 by Wolf, M. at Heidelberg
Independent discovery earlier the same night by R. Schorr, Bergedorf. Both Wolf and Schorr initially thought the object was Encke's Comet, and Wolf was the first to realize that it was not.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A917 RD = 1927 QK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-07 16:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin