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181769 (1997 CR25)
Classification: Main-belt Asteroid          SPK-ID: 2181769
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1023302733202323 5.8177e-08  
a 3.136081971342385 2.8441e-08 au
q 2.815165846060265 1.8381e-07 au
i 3.302895307103873 7.7386e-06 deg
node 25.10593735767198 9.675e-05 deg
peri 37.94016654870091 0.00010302 deg
M 202.962291887634 3.4981e-05 deg
tp 2460281.373080280726
(2023-Dec-02.87308028)
0.00020116 TDB
period 2028.521128652264
5.55
2.7595e-05
7.555e-08
d
yr
n .1774691892113452 2.4142e-09 deg/d
Q 3.456998096624504 3.1351e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      8919 days (24.42 yr)  
   first obs. used      1995-11-21  
   last obs. used      2020-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56792  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:57  

Additional Information
 Earth MOID = 1.8288 au 
 Jupiter MOID = 1.83898 au 
 T_jup = 3.201 
[ 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 16.33   n/a E2021B55  

181769 (1997 CR25)          Discovered 1997-Feb-13 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 1997 CR25 = 2006 SM99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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