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870 Manto (A917 JC)
Classification: Main-belt Asteroid          SPK-ID: 2000870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2649150794747065 1.1885e-08  
a 2.321565017914297 4.5427e-09 au
q 1.706547436687832 2.7979e-08 au
i 6.192959836717175 9.0736e-07 deg
node 120.79790773 2.8584e-06 deg
peri 196.878319444765 3.9104e-06 deg
M 39.59794278846408 3.7593e-06 deg
tp 2459058.385030394239
(2020-Jul-27.88503039)
1.3394e-05 TDB
period 1292.021389378305
3.54
3.7922e-06
1.038e-08
d
yr
n .2786331580572555 8.1781e-10 deg/d
Q 2.936582599140761 5.7461e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3562  
   data-arc span      37920 days (103.82 yr)  
   first obs. used      1917-05-12  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39509  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:33:45  

Additional Information
 Earth MOID = .692194 au 
 Jupiter MOID = 2.37812 au 
 T_jup = 3.522 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.74   n/a E2021B10  
diameter diameter 13.683 km 0.236 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 122.30 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pilcher, F.; Alvarez, E.M.; Ferrero, A.; Klinglesmith III, D.A.; Vargas, A.; Oey, J. (2014) Minor Planet Bull. 41, 70.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.216   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
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)

870 Manto (A917 JC)          Discovered 1917-May-12 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A917 JC = 1935 NB = 1935 QV = 1953 UE1 = A907 TF = A914 UC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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