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3416 Dorrit (1931 VP)
Classification: Mars-crossing Asteroid          SPK-ID: 2003416
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2069061545507225 3.9539e-08  
a 1.917756768147517 5.419e-09 au
q 1.520961089886493 7.5376e-08 au
i 22.06680777699355 4.0625e-06 deg
node 19.93049503966193 1.0046e-05 deg
peri 293.7314702066344 1.8865e-05 deg
M 187.8365128987226 2.1153e-05 deg
tp 2459464.403087357247
(2021-Sep-06.90308736)		 5.8107e-05 TDB
period 970.0379230258387
2.66		 4.1116e-06
1.126e-08		 d
yr
n .3711195113661662 1.573e-09 deg/d
Q 2.314552446408541 6.5402e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2005  
   data-arc span      32314 days (88.47 yr)  
   first obs. used      1931-11-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36907  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:54:06  

Additional Information
 Earth MOID = .615463 au 
 Jupiter MOID = 3.17554 au 
 T_jup = 3.814 
[ 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 13.4   n/a MPO452211  
rotation period rot_per 2.574 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2010) Minor Planet Bull. 37, 161-165.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 167-172.]
[Warner, B.D. (2017) Minor Planet Bull. 44, 116-120.]
SMASSII spectral type spec_B Sa   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)

3416 Dorrit (1931 VP)          Discovered 1931-Nov-08 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1931 VP = 1984 UB 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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