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22274 (1981 RN)
Classification: Main-belt Asteroid          SPK-ID: 2022274
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483580099711069 2.5253e-08  
a 2.382826948054239 8.1277e-09 au
q 2.029315483935386 5.9564e-08 au
i 6.303883571312705 9.0076e-07 deg
node 298.5310133998285 9.0122e-06 deg
peri 29.6475988165523 9.1252e-06 deg
M 261.5524120251803 5.6632e-06 deg
tp 2459567.900515008935
(2021-Dec-19.40051501)
2.2551e-05 TDB
period 1343.498486088315
3.68
6.8739e-06
1.882e-08
d
yr
n .2679571311227628 1.371e-09 deg/d
Q 2.736338412173092 9.3336e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2099  
   data-arc span      14405 days (39.44 yr)  
   first obs. used      1981-09-07  
   last obs. used      2021-02-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48823  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:03:06  

Additional Information
 Earth MOID = 1.0183 au 
 Jupiter MOID = 2.58369 au 
 T_jup = 3.514 
[ 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 14.13   n/a E2021B10  
diameter diameter 3.917 km 0.744 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.289   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

22274 (1981 RN)          Discovered 1981-Sep-07 by Mrkos, A. at Klet
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 RN = 2000 QM181 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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