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22887 (1999 SX3)
Classification: Main-belt Asteroid          SPK-ID: 2022887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02394340145771895 3.2895e-08  
a 2.256703487225924 6.647e-09 au
q 2.202670329660239 7.4897e-08 au
i 1.782583590952123 3.4178e-06 deg
node 211.7243266525132 0.00011511 deg
peri 137.2776134810621 0.00013579 deg
M 110.9604598922858 7.1752e-05 deg
tp 2458818.840634301654
(2019-Dec-01.34063430)
0.00024698 TDB
period 1238.255246821994
3.39
5.4708e-06
1.498e-08
d
yr
n .2907316572442934 1.2845e-09 deg/d
Q 2.310736644791608 6.8061e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1266  
   data-arc span      9940 days (27.21 yr)  
   first obs. used      1993-12-16  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50206  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:22  

Additional Information
 Earth MOID = 1.19339 au 
 Jupiter MOID = 2.74689 au 
 T_jup = 3.622 
[ 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 MPO492988  

22887 (1999 SX3)          Discovered 1999-Sep-29 by Korlevic, K. at Visnjan
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 SX3 = 1998 HM77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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