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JPL Small-Body Database Browser
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35449 (1998 CR3)
Classification: Main-belt Asteroid          SPK-ID: 2035449
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1353664085347567 4.5472e-08  
a 3.152636396080215 1.8474e-08 au
q 2.725875329726877 1.464e-07 au
i .5458069963816946 4.9323e-06 deg
node 124.330011385843 0.00048237 deg
peri 8.004690519174812 0.00048271 deg
M 12.62387680399534 1.6843e-05 deg
tp 2458928.803244777678
(2020-Mar-20.30324478)
9.5583e-05 TDB
period 2044.604227432495
5.60
1.7972e-05
4.92e-08
d
yr
n .1760731955700144 1.5477e-09 deg/d
Q 3.579397462433552 2.0975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      986  
   data-arc span      10261 days (28.09 yr)  
   first obs. used      1992-01-01  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56359  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:49:56  

Additional Information
 Earth MOID = 1.74033 au 
 Jupiter MOID = 1.46365 au 
 T_jup = 3.193 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1374563537035975 4.5431e-08  
q 2.720650221752127 1.4713e-07 au
tp 2456888.082017245955
(2014-Aug-18.58201725)
9.3394e-05 TDB
node 124.2708690012244 0.0004833 deg
peri 8.690391820578609 0.00048363 deg
i .5448024102274802 4.9313e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      986  
   data-arc span      10261 days (28.09 yr)  
   first obs. used      1992-01-01  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56359  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:49:56  

Additional Information
 Jupiter MOID = 1.46365 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.064005715172213E-15 -6.645920451591684E-15 1.008267444287864E-12 -9.240849782722142E-15 2.419501118439657E-13 -2.926254280862924E-17
q -6.645920451591684E-15 2.164777231853648E-14 -3.324370386387558E-12 2.486264835437656E-14 -7.909597438408326E-13 1.00071186144617E-16
tp 1.008267444287864E-12 -3.324370386387558E-12 8.722522379683005E-9 4.114322210523855E-12 1.671741543380687E-9 1.397586821267454E-13
node -9.240849782722142E-15 2.486264835437656E-14 4.114322210523855E-12 2.335832964417047E-7 -2.335716952976653E-7 4.621946298177524E-10
peri 2.419501118439657E-13 -7.909597438408326E-13 1.671741543380687E-9 -2.335716952976653E-7 2.338942387294169E-7 -4.62148341502766E-10
i -2.926254280862924E-17 1.00071186144617E-16 1.397586821267454E-13 4.621946298177524E-10 -4.62148341502766E-10 2.431734696030086E-11

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 14.6   n/a MPO459113  
diameter diameter 7.178 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.599 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.054   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35449 (1998 CR3)          Discovered 1998-Feb-06 by Elst, E. W. at La Silla
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 CR3 = 1996 VY21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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