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175788 (1999 RJ41)
Classification: Mars-crossing Asteroid          SPK-ID: 2175788
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337399924176828 9.8941e-08  
a 1.837886291905124 4.8147e-09 au
q 1.592087393161169 1.8014e-07 au
i 24.76460612453204 9.0865e-06 deg
node 8.887402958403456 6.8549e-06 deg
peri 34.85842249452772 4.622e-05 deg
M 152.0656634962294 3.8493e-05 deg
tp 2458816.080822540322
(2019-Nov-28.58082254)
9.7928e-05 TDB
period 910.0733242709694
2.49
3.5761e-06
9.791e-09
d
yr
n .3955725219046328 1.5544e-09 deg/d
Q 2.083685190649078 5.4586e-09 au
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      7416 days (20.30 yr)  
   first obs. used      1999-09-13  
   last obs. used      2020-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:41:43  

Additional Information
 Earth MOID = .617465 au 
 Jupiter MOID = 3.31118 au 
 T_jup = 3.901 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO502970  

175788 (1999 RJ41)          Discovered 1999-Sep-13 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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