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30455 (2000 NB27)
Classification: Main-belt Asteroid          SPK-ID: 2030455
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .006222759094498974 4.6098e-08  
a 3.081806578842424 1.8198e-08 au
q 3.062629238926446 1.4253e-07 au
i 10.37215798308529 4.4354e-06 deg
node 311.3263803630898 2.5158e-05 deg
peri 72.84087030087683 0.0003317 deg
M 202.3732591175637 0.0003314 deg
tp 2460065.734621754946
(2023-May-01.23462175)
0.0018211 TDB
period 1976.088968711831
5.41
1.7503e-05
4.792e-08
d
yr
n .1821780323153548 1.6137e-09 deg/d
Q 3.100983918758403 1.8311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1653  
   data-arc span      10064 days (27.55 yr)  
   first obs. used      1992-12-02  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47329  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:35:41  

Additional Information
 Earth MOID = 2.05915 au 
 Jupiter MOID = 1.96581 au 
 T_jup = 3.202 
[ 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 13.31   n/a E2021B10  
diameter diameter 7.172 km 0.562 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.87 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.198   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30455 (2000 NB27)          Discovered 2000-Jul-04 by LONEOS at Anderson Mesa
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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