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100446 (1996 RC4)
Classification: Mars-crossing Asteroid          SPK-ID: 2100446
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .226900198493362 3.249e-08  
a 1.703421875355211 3.9889e-09 au
q 1.316915113719178 5.6086e-08 au
i 29.49202815792248 6.8371e-06 deg
node 179.4749511410677 7.2783e-06 deg
peri 258.9580687824482 1.636e-05 deg
M 184.4661382142799 1.4045e-05 deg
tp 2459396.449832749802
(2021-Jun-30.94983275)
3.2194e-05 TDB
period 812.0481047920795
2.22
2.8524e-06
7.809e-09
d
yr
n .4433234901670955 1.5572e-09 deg/d
Q 2.089928636991243 4.894e-09 au
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      8756 days (23.97 yr)  
   first obs. used      1996-09-15  
   last obs. used      2020-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50168  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:06:08  

Additional Information
 Earth MOID = .492312 au 
 Jupiter MOID = 3.35232 au 
 T_jup = 4.025 
[ 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 16.9   n/a MPO453458  
diameter diameter 0.911 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.461   0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

100446 (1996 RC4)          Discovered 1996-Sep-15 by NEAT at Haleakala
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
1916-Oct-10 05:02 < 00:01 Earth 0.491631257806733 0.491630853889326 0.491631661762818 14.6372045962399 14.6368343247965 2421146.709871947 0.240144188276695 299.536365415277 13.8182606574336 87.1926229225314 4662086.36249429 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 20:06:09 2020-Nov-12 20:06
1936-Oct-08 17:13 < 00:01 Earth 0.491133919129454 0.491133652143802 0.491134186117535 14.6228516088535 14.6224805986407 2428450.217527525 0.192757461436926 258.775543331215 13.0160575128909 -89.3795846504832 4907642.58404598 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 20:06:09 2020-Nov-12 20:06
1956-Oct-07 05:59 < 00:01 Earth 0.494019098853669 0.49401875439591 0.494019443328783 14.6129899046539 14.6126208123258 2435753.749211460 0.145907098028107 212.115901981073 12.4256960255225 -86.7892836974954 5139320.17740196 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 20:06:09 2020-Nov-12 20:06
1976-Oct-05 20:20 < 00:01 Earth 0.499181312613908 0.499180940416104 0.499181684822495 14.599626617179 14.5992610074642 2443057.346985088 0.0994571962104659 152.377661968397 11.9540273597915 -84.6370454508796 5366903.68018874 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 20:06:09 2020-Nov-12 20:06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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