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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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2670390368344159 1.0803e-07  
a 2.262313403162781 2.3439e-08 AU
q 1.658187410964602 2.4432e-07 AU
i 6.584005162459415 1.3006e-05 deg
node 359.5502181312271 6.627e-05 deg
peri 27.98194164328623 7.3016e-05 deg
M 23.24102589484962 2.79e-05 deg
tp 2456920.261948555136
(2014-Sep-19.76194856)
9.5611e-05 JED
period 1242.875364058369
3.40
1.9316e-05
5.288e-08
d
yr
n .2896509259178568 4.5015e-09 deg/d
Q 2.86643939536096 2.9698e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      8686 days (23.78 yr)  
   first obs. used      1990-09-14  
   last obs. used      2014-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53266  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 15:43:46  

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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