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 ]  
50 Virginia
Classification: Main-belt Asteroid          SPK-ID: 2000050
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 107 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2859855287089949 2.9488e-08  
a 2.6487938488856 4.5567e-09 au
q 1.891277139570919 7.7839e-08 au
i 2.838219801068548 3.584e-06 deg
node 173.5287308608633 7.032e-05 deg
peri 200.0805719230602 7.0572e-05 deg
M 158.459363565319 7.4369e-06 deg
tp 2457907.415682351423
(2017-Jun-02.91568235)
3.1403e-05 TDB
period 1574.601517635381
4.31
4.0631e-06
1.112e-08
d
yr
n .2286292728465175 5.8996e-10 deg/d
Q 3.406310558200282 5.8598e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2896  
   data-arc span      59008 days (161.56 yr)  
   first obs. used      1857-10-19  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49322  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:02:13  

Additional Information
 Earth MOID = .891422 au 
 Jupiter MOID = 2.05358 au 
 T_jup = 3.330 
[ 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 9.24   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
diameter diameter 84.074 km 0.242 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 14.315 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Shevchenko, V.G.; Piironen, J.; Erikson, A.; Bel'skaya, I.N.; et al. (1997) Planet. Space Sci. 45, 1615-1623.]
[Pilcher, F. (2009) Minor Planet Bull. 36, 25-27.]
[Pilcher, F. (2016) Minor Planet Bull. 43, 304-306.]
[Pilcher, F. (2018) Minor Planet Bull. 45, 246-247.]
geometric albedo albedo 0.050   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.703   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=2.19, mean=15.69, max.=23.71) deg.
U-B UB 0.347   0.045 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=2.19, mean=15.69, max.=23.71) deg.
Tholen spectral type spec_T X   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)

50 Virginia          Discovered 1857-Oct-04 by Ferguson, J. at Washington
Independent discovery Oct. 19 by R. Luther, Dusseldorf, was announced first.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1977 LU1 = A900 SB = A909 WA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-21 01:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin