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1897 Hind (1971 UE1)
Classification: Main-belt Asteroid          SPK-ID: 2001897
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1420434842534085 3.0955e-08  
a 2.283568853795939 5.6862e-09 au
q 1.959202777270201 7.1144e-08 au
i 4.053257994895648 2.8403e-06 deg
node 63.41668214828415 4.6684e-05 deg
peri 269.0496183806392 4.7702e-05 deg
M 138.2371760924822 9.6535e-06 deg
tp 2458716.503806620353
(2019-Aug-21.00380662)
3.3788e-05 TDB
period 1260.432501168177
3.45
4.7078e-06
1.289e-08
d
yr
n .2856162465394613 1.0668e-09 deg/d
Q 2.607934930321677 6.4939e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2823  
   data-arc span      23689 days (64.86 yr)  
   first obs. used      1956-03-16  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41495  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:58:57  

Additional Information
 Earth MOID = .951986 au 
 Jupiter MOID = 2.72728 au 
 T_jup = 3.587 
[ 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 13.51   n/a E2021B10  
diameter diameter 5.007 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.6336 h n/a LCDB (Rev. 2020-October); 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:
[Hills, K. (2013) Minor Planet Bull. 40, 12-13.]
geometric albedo albedo 0.307   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1897 Hind (1971 UE1)          Discovered 1971-Oct-26 by Kohoutek, L. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1971 UE1 = 1957 SG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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