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101164 (1998 RD80)
Classification: Main-belt Asteroid          SPK-ID: 2101164
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .235202942819183 3.88e-08  
a 2.575573626242068 1.163e-08 au
q 1.96979112990246 9.7825e-08 au
i 4.93214809756265 5.4281e-06 deg
node 116.8780661445726 5.4191e-05 deg
peri 231.1015221603356 5.5797e-05 deg
M 148.5281013766665 1.5551e-05 deg
tp 2458577.604046532617
(2019-Apr-04.10404653)
6.2924e-05 TDB
period 1509.765096098415
4.13
1.0226e-05
2.8e-08
d
yr
n .23844769026011 1.6151e-09 deg/d
Q 3.181356122581677 1.4365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      8137 days (22.28 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51614  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:27:21  

Additional Information
 Earth MOID = .965646 au 
 Jupiter MOID = 2.25078 au 
 T_jup = 3.383 
[ 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 15.71   n/a E2021B55  

101164 (1998 RD80)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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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
2082-Jan-25 10:35 00:03 Vesta 0.0373448596638165 0.0373308551921502 0.0373588697382792 5.2206842523013 5.22068364201115 2481519.940751319 3.34884170663336 1004.2390331049 65.3085169539657 46.1712903447691 61676.4046498042 T 17 CATAB v2.0f-lin.ifort 2021-Feb-24 08:27:22 2021-Feb-24 08:27

Alternate Designations
 1998 RD80 = 2002 PV84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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