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JPL Small-Body Database Browser
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347509 (1999 RA104)
Classification: Mars-crossing Asteroid          SPK-ID: 2347509
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3673445672803869 8.586e-08  
a 2.156335322028837 5.6155e-09 au
q 1.36421725624674 1.8457e-07 au
i 7.079468436679499 8.2066e-06 deg
node 203.3816184971702 4.2984e-05 deg
peri 102.0721102017825 4.6976e-05 deg
M 213.9648264141822 9.3931e-06 deg
tp 2459469.667416342082
(2021-Sep-12.16741634)
3.0153e-05 TDB
period 1156.572527945776
3.17
4.5179e-06
1.237e-08
d
yr
n .3112645262631365 1.2159e-09 deg/d
Q 2.948453387810934 7.6783e-09 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      7006 days (19.18 yr)  
   first obs. used      1999-09-08  
   last obs. used      2018-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4924  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:34:00  

Additional Information
 Earth MOID = .376978 au 
 Jupiter MOID = 2.37876 au 
 T_jup = 3.601 
[ 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 18.4   n/a MPO455522  

347509 (1999 RA104)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

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