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78880 (2003 RR16)
Classification: Main-belt Asteroid          SPK-ID: 2078880
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1653881140514463 3.2144e-08  
a 2.252999685732145 6.5171e-09 au
q 1.880380316750404 7.3444e-08 au
i 7.825842826904437 3.452e-06 deg
node 179.1200198886233 2.1026e-05 deg
peri 180.9609794781987 2.314e-05 deg
M 319.6259699275197 8.6249e-06 deg
tp 2459139.028689255365
(2020-Oct-16.52868926)
2.957e-05 TDB
period 1235.208079114298
3.38
5.3595e-06
1.467e-08
d
yr
n .2914488709126132 1.2646e-09 deg/d
Q 2.625619054713886 7.595e-09 au
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      9923 days (27.17 yr)  
   first obs. used      1993-09-14  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:07:08  

Additional Information
 Earth MOID = .877047 au 
 Jupiter MOID = 2.82714 au 
 T_jup = 3.595 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO436333  
diameter diameter 1.340 km 0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.471   0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78880 (2003 RR16)          Discovered 2003-Sep-13 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1968-May-06 08:54 < 00:01 Amphi 0.0363435117704536 0.036337585893077 0.036349437655624 4.48245785877446 4.48245782348622 2439982.871005065 0.810655933848357 296.583936172335 38.0731524599443 -5.21219165498013 22385.1582372772 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 22:07:10 2020-Dec-17 22:07
2139-Dec-24 13:26 00:02 Hebe 0.0393668913087725 0.0393472038386639 0.0393865797127929 3.64116823383806 3.64116819046843 2502671.059399597 1.50067528147459 1026.63534071598 37.7363629683123 -17.1481154743604 46301.535147847 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 22:07:10 2020-Dec-17 22:07
2184-Sep-26 16:31 00:02 Amphi 0.0323799316600077 0.0323557955615262 0.0324040677593493 4.55970930708928 4.5597092681525 2519019.188040127 2.22824859652639 1203.15590333096 38.9300629507824 -0.477844871705303 4155.19591967713 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 22:07:10 2020-Dec-17 22:07

Alternate Designations
 2003 RR16 = 1993 RL12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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