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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2670389503107126 9.3968e-08  
a 2.262313432995628 1.6626e-08 AU
q 1.658187628574651 2.0534e-07 AU
i 6.583995382608263 7.4424e-06 deg
node 359.5502445943029 5.5483e-05 deg
peri 27.98194885307054 5.9638e-05 deg
M 23.24098252879751 1.3309e-05 deg
tp 2456920.262096686332
(2014-Sep-19.76209669)
4.6068e-05 JED
period 1242.875388642835
3.40
1.3701e-05
3.751e-08
d
yr
n .2896509201884705 3.193e-09 deg/d
Q 2.866439237416605 2.1066e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      485  
   data-arc span      8925 days (24.44 yr)  
   first obs. used      1990-09-14  
   last obs. used      2015-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51211  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 22:20:07  

Additional Information
 Earth MOID = .665401 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 15.9 mag n/a MPO333989  

160510 (1990 RG1)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar
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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