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5510 (1988 RF7)
Classification: Mars-crossing Asteroid          SPK-ID: 2005510
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2445286593841115 5.6942e-08  
a 2.190483416586676 6.8897e-09 AU
q 1.654847443325608 1.2422e-07 AU
i 5.688149967646238 5.0423e-06 deg
node 109.3114597522542 5.5832e-05 deg
peri 234.3398977190081 5.6668e-05 deg
M 31.92107752856352 9.2991e-06 deg
tp 2456895.501420529044
(2014-Aug-26.00142053)
3.0456e-05 JED
period 1184.154531616935
3.24
5.5868e-06
1.53e-08
d
yr
n .3040143751410793 1.4343e-09 deg/d
Q 2.726119389847744 8.5745e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1244  
   data-arc span      23801 days (65.16 yr)  
   first obs. used      1949-07-25  
   last obs. used      2014-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50745  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:04:15  

Additional Information
 Earth MOID = .655088 AU 
 T_jup = 3.628 
[ 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 13.4 mag n/a MPO263397  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5510 (1988 RF7)          Discovered 1988-Sep-02 by Debehogne, H. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 RF7 = 1936 OJ = 1939 HF = 1949 OD = 1949 OK1 = 1962 PS = 1988 RL7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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