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101994 (1999 RX70)
Classification: Main-belt Asteroid          SPK-ID: 2101994
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .187823493521836 3.6641e-08  
a 2.548112090714897 1.3528e-08 au
q 2.069516775951596 9.2781e-08 au
i 6.968319486114822 5.747e-06 deg
node 173.8688826510508 4.905e-05 deg
peri 220.0524270379385 5.3524e-05 deg
M 49.77025365211436 2.3584e-05 deg
tp 2458995.103247343687
(2020-May-25.60324734)
9.6734e-05 TDB
period 1485.683225026753
4.07
1.1831e-05
3.239e-08
d
yr
n .2423127581544292 1.9297e-09 deg/d
Q 3.026707405478199 1.6069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      10716 days (29.34 yr)  
   first obs. used      1991-10-05  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47979  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:48  

Additional Information
 Earth MOID = 1.07959 au 
 Jupiter MOID = 2.42535 au 
 T_jup = 3.407 
[ 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 16.4   n/a MPO445810  

101994 (1999 RX70)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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