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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 ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2675952703341194 9.3938e-08  
a 2.263072691770593 1.7006e-08 au
q 1.657485143030478 2.0511e-07 au
i 6.585917314336231 7.4455e-06 deg
node 359.5377817872276 5.544e-05 deg
peri 28.08164764436721 5.9573e-05 deg
M 138.909935505019 1.3119e-05 deg
tp 2456920.681496494488
(2014-Sep-20.18149649)
4.5901e-05 JED
period 1243.501126352068
3.40
1.4016e-05
3.837e-08
d
yr
n .2895051659953822 3.2632e-09 deg/d
Q 2.868660240510708 2.1556e-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 = .663364 au 
 Jupiter MOID = 2.59881 au 
 T_jup = 3.562 
[ 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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