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22837 Richardcruz (1999 RR90)
Classification: Main-belt Asteroid          SPK-ID: 2022837
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160878229910676 3.8334e-08  
a 2.293186193488451 5.9868e-09 au
q 1.924262457824428 8.7318e-08 au
i 8.413261300768832 4.5287e-06 deg
node 19.77704149500426 1.8175e-05 deg
peri 317.7861445641132 2.2176e-05 deg
M 57.36073945225427 1.3584e-05 deg
tp 2458998.398449701063
(2020-May-28.89844970)
4.7666e-05 TDB
period 1268.403420220517
3.47
4.9671e-06
1.36e-08
d
yr
n .2838213728069359 1.1115e-09 deg/d
Q 2.662109929152474 6.9499e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1666  
   data-arc span      10392 days (28.45 yr)  
   first obs. used      1992-09-20  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47661  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:13:39  

Additional Information
 Earth MOID = .923672 au 
 Jupiter MOID = 2.74486 au 
 T_jup = 3.565 
[ 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 15.09   n/a E2021B10  

22837 Richardcruz           Discovered 1999 Sept. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Richard Cruz mentored a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. He teaches at the Bradley Middle School, San Antonio, Texas.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061009/MPCPages.arcLast Updated: 2006-10-14

Alternate Designations
 1999 RR90 = 1998 FD60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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