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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1807207782371328 5.5623e-08  
a 3.207134888152132 3.3741e-08 AU
q 2.627538975253819 1.8582e-07 AU
i .3751553140312496 5.5858e-06 deg
node 63.12104312883965 0.0009172 deg
peri 251.3535778096378 0.00091745 deg
M 270.0593762682759 2.2569e-05 deg
tp 2457524.616292754235
(2016-May-16.11629275)
0.00013583 JED
period 2097.849198314734
5.74
3.3106e-05
9.064e-08
d
yr
n .1716043270837574 2.7081e-09 deg/d
Q 3.786730801050446 3.9839e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1205  
   data-arc span      18401 days (50.38 yr)  
   first obs. used      1964-10-09  
   last obs. used      2015-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50211  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:00:30  

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
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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