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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2445286511521804 5.6402e-08  
a 2.190483420694245 6.4655e-09 AU
q 1.654847464460667 1.2292e-07 AU
i 5.688151398184838 4.4782e-06 deg
node 109.311465415636 5.4907e-05 deg
peri 234.339895642905 5.5723e-05 deg
M 31.92107081514188 8.4126e-06 deg
tp 2456895.501442316286
(2014-Aug-26.00144232)
2.7607e-05 JED
period 1184.154534947704
3.24
5.2428e-06
1.435e-08
d
yr
n .304014374285953 1.346e-09 deg/d
Q 2.726119376927823 8.0465e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1345  
   data-arc span      23929 days (65.51 yr)  
   first obs. used      1949-07-25  
   last obs. used      2015-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49636  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:13:33  

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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