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160510 (1990 RG1)
Classification: Mars-crossing Asteroid          SPK-ID: 2160510
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2670390152364798 1.0683e-07  
a 2.262313412071095 2.2427e-08 AU
q 1.658187466355349 2.4079e-07 AU
i 6.584006290447524 1.2893e-05 deg
node 359.5502097971737 6.5394e-05 deg
peri 27.98195944837124 7.1784e-05 deg
M 23.24101324825378 2.6228e-05 deg
tp 2456920.261991742712
(2014-Sep-19.76199174)
8.9922e-05 JED
period 1242.875371399477
3.40
1.8482e-05
5.06e-08
d
yr
n .2896509242070187 4.3072e-09 deg/d
Q 2.86643935778684 2.8416e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      8753 days (23.96 yr)  
   first obs. used      1990-09-14  
   last obs. used      2014-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53395  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 16:39:06  

Additional Information
 Earth MOID = .6654 AU 
 T_jup = 3.563 
[ 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 15.8 mag n/a MPO260167  

160510 (1990 RG1)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar (675)
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1990 RG1 = 2002 CQ151 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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