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78370 (2002 PR120)
Classification: Main-belt Asteroid          SPK-ID: 2078370
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .00918370006014598 4.7715e-08  
a 2.758985730411872 1.6672e-08 au
q 2.733648032993547 1.2457e-07 au
i 4.47645857098565 3.9866e-06 deg
node 241.1019040997672 5.3903e-05 deg
peri 282.5446673449395 0.00022061 deg
M 127.6272370455049 0.00021448 deg
tp 2458407.078229448117
(2018-Oct-15.57822945)		 0.00099692 TDB
period 1673.873401509965
4.58		 1.5172e-05
4.154e-08		 d
yr
n .2150700283995503 1.9494e-09 deg/d
Q 2.784323427830198 1.6825e-08 au
   Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      9918 days (27.15 yr)  
   first obs. used      1993-08-22  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60098  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:08  

Additional Information
 Earth MOID = 1.73764 au 
 Jupiter MOID = 2.19391 au 
 T_jup = 3.338 
[ 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 15.2   n/a MPO432334  
diameter diameter 4.567 km 0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78370 (2002 PR120)          Discovered 2002-Aug-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
2042-Mar-07 14:24 00:02 Amphi 0.0370090021652997 0.037005211987528 0.0370127932738772 2.8836509269909 2.88365087312387 2466951.100236036 1.49371300087204 351.927878985182 33.0952738243749 57.9540017033837 141901.741506725 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:27:09 2020-Nov-12 21:27
2064-Mar-30 13:23 00:01 Eunom 0.0453465082412081 0.0453452813472905 0.0453477362328985 4.56907219155728 4.5690721238053 2475010.057299003 1.00006911599111 589.830071426326 48.9619819690989 86.4297963228953 138172.748499973 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:27:09 2020-Nov-12 21:27
2173-Aug-25 14:58 00:03 Europ 0.0210413663898725 0.0210362916044012 0.0210465025197848 3.36400962657636 3.3640094764211 2514969.123930669 3.27805969542728 1818.71744278519 28.0074310558542 82.0086276878812 111189.824674135 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:27:09 2020-Nov-12 21:27
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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