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JPL Small-Body Database Browser
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616 Elly (A906 UK)
Classification: Main-belt Asteroid          SPK-ID: 2000616
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05869786952322997 3.7781e-08  
a 2.554510470430162 9.4457e-09 au
q 2.404566148141127 9.7868e-08 au
i 14.95124520778286 6.4951e-06 deg
node 356.0730186493624 1.5424e-05 deg
peri 108.5687315440165 6.6865e-05 deg
M 139.142894800467 6.203e-05 deg
tp 2458024.107274358754
(2017-Sep-27.60727436)
0.00025739 TDB
period 1491.282623725838
4.08
8.2714e-06
2.265e-08
d
yr
n .2414029334698287 1.3389e-09 deg/d
Q 2.704454792719196 1e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2154  
   data-arc span      41224 days (112.87 yr)  
   first obs. used      1906-10-08  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45645  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:10:26  

Additional Information
 Earth MOID = 1.46119 au 
 Jupiter MOID = 2.36176 au 
 T_jup = 3.388 
[ 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 10.68   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
diameter diameter 21.170 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.297 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Alvarez-Candal, A.; Duffard, R.; Angeli, C.A.; Lazzaro, D.; Fernandez, S. (2004) Icarus 172, 388-401.]
[Durkee, R.I. (2010) Minor Planet Bull. 37, 125-127.]
[Warner, B.D. (2010) Minor Planet Bull. 37, 112-118.]
[Mikulecka, B. (2011) Entry on CALL site. http://www.minorplanet.info/call.html]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
[Klinglesmith III, D.A.; Hanowell, J.; Risley, E.; Turk, J.; et al. (2014) Minor Planet Bull. 41, 139-143.]
[Stephens, R.D. (2014) Minor Planet Bull. 41, 171-175.]
[Schmidt, R.E. (2015) Minor Planet Bull. 42, 1-3.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Durech, J.; Hanus, J.; Broz, M.; Lehky, M.; et al. (2017) Icarus 304, 101-109.]
geometric albedo albedo 0.211   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.889   0.014 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=9.54, mean=11.96, max.=14.37) deg.
U-B UB 0.442   0.044 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=9.54, mean=11.96, max.=14.37) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

616 Elly (A906 UK)          Discovered 1906-Oct-17 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A906 UK = A908 DB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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