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22699 (1998 RU22)
Classification: Outer Main-belt Asteroid          SPK-ID: 2022699
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2375539594366901 4.3114e-08  
a 3.984614884470536 3.59e-08 au
q 3.038053841834191 1.7633e-07 au
i 2.981260168033035 5.1419e-06 deg
node 25.44973739036109 7.3983e-05 deg
peri 342.7829635273485 7.4461e-05 deg
M 271.4593199717652 1.055e-05 deg
tp 2459915.026447982702
(2022-Dec-01.52644798)
9.2177e-05 TDB
period 2905.212848961002
7.95
3.9262e-05
1.075e-07
d
yr
n .1239151892532582 1.6746e-09 deg/d
Q 4.931175927106881 4.4428e-08 au
  Orbit Determination Parameters
   # obs. used (total)      848  
   data-arc span      10011 days (27.41 yr)  
   first obs. used      1993-01-25  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56725  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:09:53  

Additional Information
 Earth MOID = 2.03598 au 
 Jupiter MOID = .532793 au 
 T_jup = 3.004 
[ 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 13.63   n/a E2021B10  
diameter diameter 11.500 km 1.248 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.053   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

22699 (1998 RU22)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RU22 = 1998 VP1 = 2000 AT18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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