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816 Juliana (1916 YV)
Classification: Main-belt Asteroid          SPK-ID: 2000816
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1105773968002901 4.6231e-08  
a 3.004261503807283 2.1549e-08 AU
q 2.672058087408949 1.4341e-07 AU
i 14.33168904685381 5.6098e-06 deg
node 127.8728197384981 2.4818e-05 deg
peri 21.32924379262692 3.5269e-05 deg
M 350.0290050810116 2.6646e-05 deg
tp 2457053.179424313605
(2015-Jan-30.67942431)
0.00014091 JED
period 1901.975972004782
5.21
2.0464e-05
5.603e-08
d
yr
n .1892768390867426 2.0365e-09 deg/d
Q 3.336464920205617 2.3932e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1064  
   data-arc span      36063 days (98.74 yr)  
   first obs. used      1916-02-08  
   last obs. used      2014-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51515  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:44:11  

Additional Information
 Earth MOID = 1.68987 AU 
 T_jup = 3.195 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.4 mag n/a MPO267709  
diameter diameter 59.85 km 1.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 23
rotation period rot_per 10.58 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Stephens, R.D. (2005) Minor Planet Bul. 32, 82-83.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.0311   0.001 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 23

816 Juliana (1916 YV)          Discovered 1916-Feb-08 by Wolf, M. at Heidelberg (024)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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