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JPL Small-Body Database Browser
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486 Cremona (A902 JD)
Classification: Main-belt Asteroid          SPK-ID: 2000486
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618080521499754 3.7853e-08  
a 2.352761904704459 6.4872e-09 au
q 1.972066083731564 9.0274e-08 au
i 11.09247833586669 3.9501e-06 deg
node 94.22199788220182 2.1367e-05 deg
peri 124.5746655063848 2.5555e-05 deg
M 274.0968191767834 1.6125e-05 deg
tp 2459315.037289994206
(2021-Apr-10.53728999)
5.9673e-05 TDB
period 1318.151706523436
3.61
5.4518e-06
1.493e-08
d
yr
n .2731096870097625 1.1296e-09 deg/d
Q 2.733457725677353 7.5369e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3025  
   data-arc span      42979 days (117.67 yr)  
   first obs. used      1902-06-02  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37592  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:28:32  

Additional Information
 Earth MOID = .98561 au 
 Jupiter MOID = 2.30217 au 
 T_jup = 3.514 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456304.5 (2013-Jan-12.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616505203055471 3.7882e-08  
q 1.97278950925027 9.0255e-08 au
tp 2456679.084771187762
(2014-Jan-21.58477119)
5.524e-05 TDB
node 94.25735334021653 2.1374e-05 deg
peri 124.4786065571209 2.5568e-05 deg
i 11.09030729205315 3.9491e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3025  
   data-arc span      42979 days (117.67 yr)  
   first obs. used      1902-06-02  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37592  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:28:32  

Additional Information
 Jupiter MOID = 2.30217 au 
 T_jup = 3.514 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.435027731575029E-15 -3.413017811956722E-15 -5.896524851912585E-13 4.058717952786143E-15 -1.13150828241407E-13 -7.795438401429827E-16
q -3.413017811956722E-15 8.146023310324369E-15 1.487781797529135E-12 -1.056741546140319E-14 2.880673206241027E-13 2.014723406793858E-15
tp -5.896524851912585E-13 1.487781797529135E-12 3.051403593709415E-9 -1.836683293164508E-11 7.902147564757566E-10 5.072450708077752E-12
node 4.058717952786143E-15 -1.056741546140319E-14 -1.836683293164508E-11 4.568534434332567E-10 -4.524724989604571E-10 4.654760187777652E-12
peri -1.13150828241407E-13 2.880673206241027E-13 7.902147564757566E-10 -4.524724989604571E-10 6.537332829342205E-10 -3.363487133953998E-12
i -7.795438401429827E-16 2.014723406793858E-15 5.072450708077752E-12 4.654760187777652E-12 -3.363487133953998E-12 1.559549784644728E-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 11.1   n/a MPO358629  
diameter diameter 22.781 km 0.396 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 65.15 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2006) Minor Planet Bull. 33, 82-84.]
[Cooney, Jr.; W.R.; Gross, J.; Terrell, D.; Reddy, V.; Dyvig, R. (2007) Minor Planet Bull. 34, 47-48.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
geometric albedo albedo 0.150   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

486 Cremona (A902 JD)          Discovered 1902-May-11 by Carnera, L. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A902 JD = 1949 MX = A902 MA = A913 MA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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