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78918 (2003 SR107)
Classification: Main-belt Asteroid          SPK-ID: 2078918
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2473725112013805 4.3536e-08  
a 2.663689944898867 1.1046e-08 au
q 2.004766274167368 1.2009e-07 au
i 12.39716859543107 3.8996e-06 deg
node 207.9044073344776 1.7291e-05 deg
peri 192.0247169906036 1.8944e-05 deg
M 287.0268281578134 8.8856e-06 deg
tp 2459322.373080679175
(2021-Apr-17.87308068)
4.0354e-05 TDB
period 1587.902870593256
4.35
9.877e-06
2.704e-08
d
yr
n .2267141187706906 1.4102e-09 deg/d
Q 3.322613615630366 1.3778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      861  
   data-arc span      15727 days (43.06 yr)  
   first obs. used      1977-10-18  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47718  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:13:08  

Additional Information
 Earth MOID = 1.01386 au 
 Jupiter MOID = 2.10968 au 
 T_jup = 3.308 
[ 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 MPO436333  
diameter diameter 4.915 km 0.488 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78918 (2003 SR107)          Discovered 2003-Sep-20 by NEAT at Palomar
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
1935-Aug-16 15:18 00:02 Eunom 0.0475517308839009 0.0475395073299789 0.0475639559007564 4.73408586340256 4.73408580104467 2428031.137510559 1.8101281714262 737.828939824301 37.6915893175408 34.4070887160331 106861.526134577 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 04:13:11 2020-Dec-18 04:13

Alternate Designations
 2003 SR107 = 1977 UB5 = 1999 TX291 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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