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 ]  
1770 Schlesinger (1967 JR)
Classification: Main-belt Asteroid          SPK-ID: 2001770
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06113643016145272 2.991e-08  
a 2.457276390732707 7.2543e-09 au
q 2.30704728428329 7.3737e-08 au
i 5.292577069860745 3.6402e-06 deg
node 21.9102413140381 3.9389e-05 deg
peri 39.76173548748742 5.2137e-05 deg
M 98.40835340608338 3.3908e-05 deg
tp 2458615.900333540847
(2019-May-12.40033354)
0.00013227 TDB
period 1406.952510971857
3.85
6.2304e-06
1.706e-08
d
yr
n .2558721756367802 1.1331e-09 deg/d
Q 2.607505497182124 7.6978e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2654  
   data-arc span      32523 days (89.04 yr)  
   first obs. used      1930-12-20  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42109  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:14:38  

Additional Information
 Earth MOID = 1.32188 au 
 Jupiter MOID = 2.56715 au 
 T_jup = 3.484 
[ 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 12.0   n/a MPO416725  
diameter diameter 10.614 km 0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 2.88036 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2015) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pravec, P.; Wolf, M.; Sarounova, L. (2016) http://www.asu.cas.cz/~ppravec/neo.htm]
[Carbognani, A. (2017) Minor Planet Bull. 44, 52-57.]
geometric albedo albedo 0.207   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1770 Schlesinger (1967 JR)          Discovered 1967-May-10 by Cesco, C. U. and Klemola, A. R. at El Leoncito
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1967 JR = 1930 YX = 1937 RN = 1941 UH = 1943 DK = 1959 GQ = 1968 SA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-19 08:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin