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70240 (1999 RP71)
Classification: Main-belt Asteroid          SPK-ID: 2070240
[ 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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1747281071932859 3.1462e-08  
a 2.427616575940284 9.8352e-09 au
q 2.003443726635193 7.3928e-08 au
i 2.297435338285499 3.4341e-06 deg
node 90.89275074461884 0.0001234 deg
peri 346.2494823035457 0.0001244 deg
M 151.5780601102 1.7298e-05 deg
tp 2458618.795515196394
(2019-May-15.29551520)		 6.4441e-05 TDB
period 1381.556238264631
3.78		 8.3958e-06
2.299e-08		 d
yr
n .2605757116714951 1.5835e-09 deg/d
Q 2.851789425245376 1.1554e-08 au
   Orbit Determination Parameters
   # obs. used (total)      706  
   data-arc span      9515 days (26.05 yr)  
   first obs. used      1994-05-04  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:48:24  

Additional Information
 Earth MOID = 1.01848 au 
 Jupiter MOID = 2.39808 au 
 T_jup = 3.487 
[ 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 16.10   n/a E2021B10  

70240 (1999 RP71)          Discovered 1999-Sep-07 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
2101-Jan-29 07:20 00:06 Hygie 0.0231340818809992 0.0231174811589684 0.0231506828145212 3.8265515923739 3.82655115591575 2488462.805735893 6.1931367463609 833.734691313132 55.7469641348257 -7.66893045078828 9228.60994930777 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 12:48:26 2021-Apr-13 12:48

Alternate Designations
 1999 RP71 = 1994 JE8 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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