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35438 (1998 BZ22)
Classification: Main-belt Asteroid          SPK-ID: 2035438
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101475292476957 4.284e-08  
a 2.61229121460594 1.2316e-08 au
q 2.347208199568817 1.1601e-07 au
i 3.267013248700985 4.0163e-06 deg
node 93.13057061137327 7.983e-05 deg
peri 219.0922941013261 8.292e-05 deg
M 302.1079753195909 2.4308e-05 deg
tp 2459248.497355313234
(2021-Feb-02.99735531)
0.00010431 TDB
period 1542.164890684443
4.22
1.0906e-05
2.986e-08
d
yr
n .2334380727862536 1.6509e-09 deg/d
Q 2.877374229643063 1.3566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1230  
   data-arc span      10511 days (28.78 yr)  
   first obs. used      1991-09-06  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:30:16  

Additional Information
 Earth MOID = 1.334 au 
 Jupiter MOID = 2.33881 au 
 T_jup = 3.399 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456675.5 (2014-Jan-18.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09988873495199752 4.265e-08  
q 2.3523990698299 1.1502e-07 au
tp 2456158.397282526061
(2012-Aug-18.89728253)
0.00010564 TDB
node 93.18860779716886 7.9645e-05 deg
peri 218.0377701358726 8.2864e-05 deg
i 3.269782012756284 4.0199e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1230  
   data-arc span      10511 days (28.78 yr)  
   first obs. used      1991-09-06  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:30:16  

Additional Information
 Jupiter MOID = 2.33881 au 
 T_jup = 3.399 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.819004646577431E-15 -4.884682597604291E-15 1.009866318420973E-13 -7.437061739333491E-15 6.614878654301048E-14 7.02181850690076E-16
q -4.884682597604291E-15 1.322957070985406E-14 -3.459722193087057E-13 1.99053453184489E-14 -1.864935308688367E-13 -1.831452743771269E-15
tp 1.009866318420973E-13 -3.459722193087057E-13 1.116049947318943E-8 6.829160555410885E-12 2.440298734907487E-9 1.862867757598849E-12
node -7.437061739333491E-15 1.99053453184489E-14 6.829160555410885E-12 6.343356876221165E-9 -6.331335236701989E-9 3.881979003897547E-11
peri 6.614878654301048E-14 -1.864935308688367E-13 2.440298734907487E-9 -6.331335236701989E-9 6.866438101925048E-9 -3.832087307254218E-11
i 7.02181850690076E-16 -1.831452743771269E-15 1.862867757598849E-12 3.881979003897547E-11 -3.832087307254218E-11 1.615977156397039E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO319516  
diameter diameter 3.482 km 0.695 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.160   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35438 (1998 BZ22)          Discovered 1998-Jan-23 by Spacewatch at Kitt Peak
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BZ22 = 1991 RW39 = 1999 LN22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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