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30561 (2001 OP71)
Classification: Main-belt Asteroid          SPK-ID: 2030561
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 .1569299975030594 2.7517e-08  
a 2.755251565601839 9.1606e-09 au
q 2.322869944291643 7.6271e-08 au
i 6.132555351595095 3.3805e-06 deg
node 103.8621902124499 2.9485e-05 deg
peri 301.8433904674019 3.1804e-05 deg
M 40.68743526217391 1.0915e-05 deg
tp 2459011.701678996706
(2020-Jun-11.20167900)
5.051e-05 TDB
period 1670.476281516159
4.57
8.331e-06
2.281e-08
d
yr
n .2155073998855323 1.0748e-09 deg/d
Q 3.187633186912036 1.0598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2303  
   data-arc span      10393 days (28.45 yr)  
   first obs. used      1992-09-29  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48948  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:37:46  

Additional Information
 Earth MOID = 1.33881 au 
 Jupiter MOID = 2.20695 au 
 T_jup = 3.318 
[ 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 13.74   n/a MPCxxxxx  
diameter diameter 5.072 km 0.289 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.395   0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30561 (2001 OP71)          Discovered 2001-Jul-20 by JPL/GEODSS NEAT at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 OP71 = 1992 SE23 = 1999 FE25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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