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JPL Small-Body Database Browser
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737 Arequipa (A912 XC)
Classification: Main-belt Asteroid          SPK-ID: 2000737
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 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2452114732412048 3.395e-08  
a 2.590517385497617 7.7171e-09 au
q 1.955292800942792 8.8548e-08 au
i 12.36667321357335 4.0644e-06 deg
node 184.6319470025003 1.9386e-05 deg
peri 134.1222797770563 2.1394e-05 deg
M 356.1459432765757 1.2039e-05 deg
tp 2459016.803986057026
(2020-Jun-16.30398606)
5.0977e-05 TDB
period 1522.923870023991
4.17
6.8051e-06
1.863e-08
d
yr
n .2363873907855479 1.0563e-09 deg/d
Q 3.225741970052441 9.6094e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2777  
   data-arc span      38342 days (104.97 yr)  
   first obs. used      1915-05-07  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44152  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:11:42  

Additional Information
 Earth MOID = .965312 au 
 Jupiter MOID = 2.23394 au 
 T_jup = 3.345 
[ 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 9.0   n/a MPO492758 IRAS observations used: 5
diameter diameter 47.804 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.0259 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Marciniak, A.; Pilcher, F.; Oszkiewicz, D.; Bartczak, P.; et al. (2016) Proc. Polish Ast. Soc. 123, 51-57.]
geometric albedo albedo 0.231   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.832   0.053 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=6.17, mean=18.02, max.=29.88) deg.
U-B UB 0.208   0.037 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=29.88 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B S   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)

737 Arequipa (A912 XC)          Discovered 1912-Dec-07 by Metcalf, J. H. at Winchester
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A912 XC = 1961 JH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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