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5770 (1987 RY)
Classification: Outer Main-belt Asteroid          SPK-ID: 2005770
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1809301943286029 5.1148e-08  
a 3.208135343618184 3.1821e-08 au
q 2.627686792464887 1.7562e-07 au
i .3751187074364311 5.5827e-06 deg
node 63.12833176842398 0.00084114 deg
peri 251.278783540529 0.00084143 deg
M 338.7649220104931 2.0892e-05 deg
tp 2457524.302327408349
(2016-May-15.80232741)
0.00012266 JED
period 2098.830900881488
5.75
3.1227e-05
8.549e-08
d
yr
n .1715240612518157 2.552e-09 deg/d
Q 3.788583894771482 3.7578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1315  
   data-arc span      18571 days (50.84 yr)  
   first obs. used      1964-10-09  
   last obs. used      2015-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48595  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 13:28:27  

Additional Information
 Earth MOID = 1.61193 au 
 Jupiter MOID = 1.49477 au 
 T_jup = 3.166 
[ 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 12.6 mag n/a MPO263399  
rotation period rot_per 13.91 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

5770 (1987 RY)          Discovered 1987-Sep-12 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 RY = 1964 TP1 = 1982 UU6 = 1982 VV8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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