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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2350901833484124 3.8797e-08  
a 2.575583399800668 1.1609e-08 au
q 1.970089026112402 9.7814e-08 au
i 4.932136981096062 5.4983e-06 deg
node 116.8783127920816 5.5227e-05 deg
peri 231.0858395617612 5.6862e-05 deg
M 100.87078437808 1.5513e-05 deg
tp 2458577.466510215039
(2019-Apr-03.96651021)
6.3546e-05 TDB
period 1509.773689790798
4.13
1.0208e-05
2.795e-08
d
yr
n .2384463330062954 1.6122e-09 deg/d
Q 3.181077773488935 1.4339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      7823 days (21.42 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51571  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:05:42  

Additional Information
 Earth MOID = .967716 au 
 Jupiter MOID = 2.25038 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 15.6   n/a MPO449613  

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

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