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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1807207860999818 5.6665e-08  
a 3.2071348917665 3.4147e-08 AU
q 2.627538952997778 1.8828e-07 AU
i .3751553383408327 5.5942e-06 deg
node 63.12104702028204 0.00092702 deg
peri 251.3535755757538 0.00092726 deg
M 270.0593732802807 2.2981e-05 deg
tp 2457524.616311052356
(2016-May-16.11631105)
0.0001384 JED
period 2097.849201861076
5.74
3.3504e-05
9.173e-08
d
yr
n .1716043267936662 2.7406e-09 deg/d
Q 3.786730830535222 4.0318e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1199  
   data-arc span      18369 days (50.29 yr)  
   first obs. used      1964-10-09  
   last obs. used      2015-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50125  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:14:27  

Additional Information
 Earth MOID = 1.61466 AU 
 T_jup = 3.167 
[ 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-Feb); 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.]

5770 (1987 RY)          Discovered 1987-Sep-12 by Debehogne, H. at La Silla (809)
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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