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20470 (1999 NZ5)
Classification: Main-belt Asteroid          SPK-ID: 2020470
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2774264654615415 9.5184e-09  
a 2.414441411596311 6.905e-09 au
q 1.744611464713171 2.2709e-08 au
i 13.50952212775965 6.1643e-07 deg
node 151.3731589588318 1.886e-06 deg
peri 199.5897815063395 2.6448e-06 deg
M 276.2815186940935 3.3466e-06 deg
tp 2459715.170802881238
(2022-May-15.67080288)
1.3974e-05 TDB
period 1370.324535845968
3.75
5.8785e-06
1.609e-08
d
yr
n .2627114895653199 1.127e-09 deg/d
Q 3.08427135847945 8.8207e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2404  
   data-arc span      13453 days (36.83 yr)  
   first obs. used      1984-08-23  
   last obs. used      2021-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42886  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:00:01  

Additional Information
 Earth MOID = .742285 au 
 Jupiter MOID = 2.35461 au 
 T_jup = 3.428 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457464.5 (2016-Mar-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2775875382392089 9.6508e-09  
q 1.744835625791861 2.3091e-08 au
tp 2456970.915773764197
(2014-Nov-09.41577376)
5.7213e-06 TDB
node 151.4644399388237 1.8808e-06 deg
peri 199.1365742168542 2.6313e-06 deg
i 13.52659402306394 6.1725e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2404  
   data-arc span      13453 days (36.83 yr)  
   first obs. used      1984-08-23  
   last obs. used      2021-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42886  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:00:01  

Additional Information
 Jupiter MOID = 2.35461 au 
 T_jup = 3.428 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.313852885989988E-17 -2.177127919289481E-16 -4.00756593442565E-14 -1.116107075666935E-15 -1.325418478193945E-14 -1.340382014187018E-15
q -2.177127919289481E-16 5.331940319801591E-16 1.017788541625774E-13 2.83307192615458E-15 3.409502687054672E-14 3.295609753952403E-15
tp -4.00756593442565E-14 1.017788541625774E-13 3.27336979113911E-11 -6.528590388753459E-13 1.194242272378985E-11 1.341630009905407E-12
node -1.116107075666935E-15 2.83307192615458E-15 -6.528590388753459E-13 3.53728436981455E-12 -3.111815572469034E-12 -1.696924847218948E-13
peri -1.325418478193945E-14 3.409502687054672E-14 1.194242272378985E-11 -3.111815572469034E-12 6.923843465539637E-12 6.354603086346475E-13
i -1.340382014187018E-15 3.295609753952403E-15 1.341630009905407E-12 -1.696924847218948E-13 6.354603086346475E-13 3.809928417204304E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.82   n/a MPCxxxxx  
diameter diameter 10.056 km 0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.6637 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2014) http://www.asu.cas.cz/~ppravec/neo.htm]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Oey, J. (2016) Minor Planet Bull. 43, 45-51.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.060   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20470 (1999 NZ5)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NZ5 = 1995 KV1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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