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100445 (1996 RA4)
Classification: Main-belt Asteroid          SPK-ID: 2100445
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073326426160801 4.3027e-08  
a 2.167387406941194 7.8306e-09 au
q 1.718017248287263 9.5325e-08 au
i 5.206552474183549 4e-06 deg
node 240.4287851587058 4.5154e-05 deg
peri 62.94456182302488 4.6294e-05 deg
M 248.9454167520129 8.2013e-06 deg
tp 2459560.031735638634
(2021-Dec-11.53173564)
2.6915e-05 TDB
period 1165.475760157375
3.19
6.3162e-06
1.729e-08
d
yr
n .3088867330465878 1.674e-09 deg/d
Q 2.616757565595125 9.4541e-09 au
  Orbit Determination Parameters
   # obs. used (total)      608  
   data-arc span      9986 days (27.34 yr)  
   first obs. used      1993-10-10  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51694  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:12  

Additional Information
 Earth MOID = .708537 au 
 Jupiter MOID = 2.62283 au 
 T_jup = 3.658 
[ 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 16.5   n/a MPO449610  

100445 (1996 RA4)          Discovered 1996-Sep-12 by Casulli, V. S. at Colleverde
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1976-Jan-13 06:14 < 00:01 Juno 0.0463768683732231 0.0463734794944321 0.0463802574068012 8.19641135075314 8.19641131874792 2442790.759545152 0.280432921529877 218.940537116145 47.6926312182367 40.6642387171249 97767.4574148812 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 15:32:14 2021-Apr-13 15:32

Alternate Designations
 1996 RA4 = 2002 JB93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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