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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1105774024755368 4.5693e-08  
a 3.00426149712675 1.8661e-08 AU
q 2.672058064417206 1.4014e-07 AU
i 14.33168919420432 5.486e-06 deg
node 127.8728178153659 2.1977e-05 deg
peri 21.3292400398933 3.2144e-05 deg
M 350.0290132825314 2.2939e-05 deg
tp 2457053.179380807076
(2015-Jan-30.67938081)
0.00012118 JED
period 1901.975965660688
5.21
1.7721e-05
4.852e-08
d
yr
n .1892768397180808 1.7635e-09 deg/d
Q 3.336464929836294 2.0724e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1302  
   data-arc span      36209 days (99.13 yr)  
   first obs. used      1916-02-08  
   last obs. used      2015-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48909  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:02:08  

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 LCDB (Rev. 2015-Feb); Warner et al., 2009 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
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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