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70220 (1999 RF44)
Classification: Main-belt Asteroid          SPK-ID: 2070220
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330140104290038 3.6832e-08  
a 2.627234864987105 1.3092e-08 au
q 2.277775819256268 1.007e-07 au
i 15.5195880689074 4.3214e-06 deg
node 137.7137531447558 1.3384e-05 deg
peri 267.4517008972769 2.1346e-05 deg
M 279.229986022511 1.7353e-05 deg
tp 2459349.475093576682
(2021-May-14.97509358)
7.5845e-05 TDB
period 1555.416762991023
4.26
1.1626e-05
3.183e-08
d
yr
n .2314492222057129 1.73e-09 deg/d
Q 2.976693910717942 1.4833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      577  
   data-arc span      7727 days (21.16 yr)  
   first obs. used      1999-09-13  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:05:24  

Additional Information
 Earth MOID = 1.34834 au 
 Jupiter MOID = 2.46398 au 
 T_jup = 3.338 
[ 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 15.5   n/a MPO296637  

70220 (1999 RF44)          Discovered 1999-Sep-13 by Zoltowski, F. B. at Woomera
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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