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70302 (1999 RD131)
Classification: Main-belt Asteroid          SPK-ID: 2070302
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1295041427394146 3.2857e-08  
a 2.385096184385169 1.0713e-08 au
q 2.076216347675319 8.1474e-08 au
i 5.657780621994759 3.7698e-06 deg
node 238.1322185059179 3.6635e-05 deg
peri 73.02638005995257 4.0075e-05 deg
M 298.8347673504672 1.831e-05 deg
tp 2459429.091145801807
(2021-Aug-02.59114580)
6.9209e-05 TDB
period 1345.418122745897
3.68
9.0646e-06
2.482e-08
d
yr
n .2675748110671106 1.8027e-09 deg/d
Q 2.693976021095019 1.21e-08 au
  Orbit Determination Parameters
   # obs. used (total)      993  
   data-arc span      7562 days (20.70 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57499  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:48:51  

Additional Information
 Earth MOID = 1.06842 au 
 Jupiter MOID = 2.54091 au 
 T_jup = 3.518 
[ 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 15.36   n/a E2021B10  
diameter diameter 1.944 km 0.331 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.295   0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70302 (1999 RD131)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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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
2076-Jun-30 03:44 00:01 Vesta 0.034390247778001 0.034374633043424 0.0344058631193346 4.97415258480771 4.97415188923872 2479484.655748654 1.07644210465525 809.414013424877 35.6370080236973 -16.3650532184217 41011.6091332381 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 12:48:54 2021-Apr-13 12:48
2092-Nov-06 14:24 00:02 Vesta 0.0297276173909182 0.0297104627645551 0.0297447723681448 4.11318923243698 4.11318825934062 2485458.099800186 1.78128644677459 866.711602826645 36.6587620199428 -10.6203203680042 22822.2257950053 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 12:48:54 2021-Apr-13 12:48

Alternate Designations
 1999 RD131 = 2001 AP22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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