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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
134 Sophrosyne (A873 SA)
Classification: Main-belt Asteroid          SPK-ID: 2000134
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 119 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146847178504552 1.1762e-08  
a 2.563660678154076 4.9417e-09 au
q 2.26964797661567 2.888e-08 au
i 11.6124021434912 1.079e-06 deg
node 345.8584839449422 1.489e-06 deg
peri 85.20708520196077 1.0303e-05 deg
M 300.6439697422405 1.1645e-05 deg
tp 2459643.701776175158
(2022-Mar-05.20177618)
4.8885e-05 TDB
period 1499.302413530649
4.10
4.3351e-06
1.187e-08
d
yr
n .2401116657661146 6.9426e-10 deg/d
Q 2.857673379692483 5.5085e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2649  
   data-arc span      52563 days (143.91 yr)  
   first obs. used      1877-09-10  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41572  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:04:10  

Additional Information
 Earth MOID = 1.31832 au 
 Jupiter MOID = 2.4171 au 
 T_jup = 3.396 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.83   n/a MPO636062 IRAS observations used: 20
magnitude slope G 0.28   n/a PDS3 (MPC 17257) Fit
diameter diameter 108 km n/a Dunham occult. list: Dunham 1981a Yeomans E-mail 2001-Apr-04
rotation period rot_per 17.196 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.]
[Pilcher, F. (2015) Minor Planet Bull. 42, 280-281.]
geometric albedo albedo 0.0364   0.001 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 20
B-V BV 0.690   0.022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=8.28, mean=16.71, max.=25.70) deg.
U-B UB 0.322   0.023 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=8.28, mean=14.91, max.=16.83) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B Ch   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)

134 Sophrosyne (A873 SA)          Discovered 1873-Sep-27 by Luther, R. at Dusseldorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-23 09:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin