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JPL Small-Body Database Browser
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490 Veritas (A902 RE)
Classification: Main-belt Asteroid          SPK-ID: 2000490
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09234616270020035 4.2098e-08  
a 3.177707351956623 1.5552e-08 au
q 2.884258271819214 1.332e-07 au
i 9.272275141579067 4.7158e-06 deg
node 178.1876932422111 2.5679e-05 deg
peri 193.1558844368973 3.5064e-05 deg
M 276.7334136919693 2.6307e-05 deg
tp 2459479.061254816840
(2021-Sep-21.56125482)
0.00015309 TDB
period 2069.041849472896
5.66
1.5189e-05
4.159e-08
d
yr
n .1739935806961627 1.2773e-09 deg/d
Q 3.471156432094032 1.6988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2790  
   data-arc span      42716 days (116.95 yr)  
   first obs. used      1902-09-04  
   last obs. used      2019-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47557  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:09:08  

Additional Information
 Earth MOID = 1.88447 au 
 Jupiter MOID = 1.99133 au 
 T_jup = 3.173 
[ 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 8.6   n/a MPO492754 IRAS observations used: 18
diameter diameter 118.803 km 1.830 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 7.930 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Koff, R.A.; Brincat, S.M. (2001) Minor Planet Bull. 28, 67.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Klinglesmith, D.A., III; DeHart, A.; Hanowell, J.; Warrern, C.A. (2015) Minor Planet Bull. 42, 12-13.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.059   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.750   0.026 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=4.64, mean=7.34, max.=12.69) deg.
U-B UB 0.390   0.024 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=4.64, mean=8.66, max.=12.69) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

490 Veritas (A902 RE)          Discovered 1902-Sep-03 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A902 RE = 1947 OG = A914 WA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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