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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457062.5 (2015-Feb-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2374087253504805 3.9077e-08  
q 1.962869104927384 9.8771e-08 au
tp 2457066.610624096838
(2015-Feb-13.11062410)
5.763e-05 TDB
node 117.0439493443463 5.5212e-05 deg
peri 230.6188972430376 5.6788e-05 deg
i 4.933973504268632 5.4988e-06 deg
  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
 Jupiter MOID = 2.25038 au 
 T_jup = 3.383 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.527039184280883E-15 -3.845406811548196E-15 2.230148199682606E-13 -3.768664521665349E-16 2.081810996932569E-14 4.222075348037331E-16
q -3.845406811548196E-15 9.755784570279562E-15 -3.748489374682757E-13 1.520239171077409E-16 -1.041099602472395E-14 -7.992575577122784E-16
tp 2.230148199682606E-13 -3.748489374682757E-13 3.321270630003669E-9 -1.436111579868474E-11 7.874725763691992E-10 9.104767497617753E-13
node -3.768664521665349E-16 1.520239171077409E-16 -1.436111579868474E-11 3.048418570375672E-9 -3.039967678110955E-9 -7.471968986476567E-11
peri 2.081810996932569E-14 -1.041099602472395E-14 7.874725763691992E-10 -3.039967678110955E-9 3.224918069060016E-9 7.459960816361334E-11
i 4.222075348037331E-16 -7.992575577122784E-16 9.104767497617753E-13 -7.471968986476567E-11 7.459960816361334E-11 3.023648951701594E-11

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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