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91572 (1999 RF253)
Classification: Main-belt Asteroid          SPK-ID: 2091572
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05930603287989668 4.3422e-08  
a 2.944249360495962 2.0376e-08 au
q 2.769637611115774 1.2212e-07 au
i 6.057279492663368 5.3085e-06 deg
node 305.3970949936738 4.6772e-05 deg
peri 326.2676392153053 7.8674e-05 deg
M 198.9767851571652 6.61e-05 deg
tp 2460221.865484338379
(2023-Oct-04.36548434)
0.00034043 TDB
period 1845.271656337435
5.05
1.9155e-05
5.244e-08
d
yr
n .1950932258475923 2.0252e-09 deg/d
Q 3.11886110987615 2.1584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      7831 days (21.44 yr)  
   first obs. used      1999-09-08  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5227  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:17:43  

Additional Information
 Earth MOID = 1.75567 au 
 Jupiter MOID = 1.98423 au 
 T_jup = 3.261 
[ 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 14.39   n/a MPCxxxxx  

91572 (1999 RF253)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 RF253 = 1999 TA322 = 2000 WR119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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