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80129 (1999 RD225)
Classification: Main-belt Asteroid          SPK-ID: 2080129
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526381408223069 5.2188e-08  
a 2.270842952865193 1.0552e-08 au
q 1.924225706440412 1.2072e-07 au
i 6.764303092397528 6.1881e-06 deg
node 323.629180377287 3.8453e-05 deg
peri 56.34337184813739 4.2604e-05 deg
M 2.707565911836571 1.9125e-05 deg
tp 2458991.099399121192
(2020-May-21.59939912)
6.6374e-05 TDB
period 1249.910963044786
3.42
8.7117e-06
2.385e-08
d
yr
n .2880205155757968 2.0075e-09 deg/d
Q 2.617460199289973 1.2162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      8892 days (24.34 yr)  
   first obs. used      1996-06-25  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54796  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:20:41  

Additional Information
 Earth MOID = .935204 au 
 Jupiter MOID = 2.87967 au 
 T_jup = 3.588 
[ 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 15.7   n/a MPO436340  

80129 (1999 RD225)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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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
2150-May-16 09:46 00:02 Iris 0.0308414599208538 0.0308164496697468 0.0308664780808478 3.62170358019744 3.62170352873087 2506466.906900678 2.02069145964895 1469.92510496604 37.6117566666464 32.0054619779523 65024.0127498393 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:20:44 2020-Nov-12 21:20
2198-Apr-19 00:55 00:03 Iris 0.0168242987497463 0.0167992307991423 0.016849421259124 3.51262940695846 3.5126293096829 2523971.537857456 2.70125932193368 1961.01107435404 37.2388835809549 50.3890305135243 52036.190489592 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:20:44 2020-Nov-12 21:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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