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100004 (1983 VA)
Classification: Apollo [NEO]          SPK-ID: 2100004
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 68 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7023443091735464 6.1246e-08  
a 2.594389053011346 4.2548e-08 au
q .7722346658466811 1.5536e-07 au
i 15.71004964222264 9.9787e-06 deg
node 76.40177491628222 3.1868e-05 deg
peri 13.60363906455775 3.2921e-05 deg
M 282.7393565807341 2.9269e-05 deg
tp 2459528.072097396273
(2021-Nov-09.57209740)
0.00013076 TDB
period 1526.33928276673
4.18
3.7548e-05
1.028e-07
d
yr
n .2358584385952797 5.8021e-09 deg/d
Q 4.416543440176012 7.2431e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      12653 days (34.64 yr)  
   first obs. used      1983-10-27  
   last obs. used      2018-06-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42699  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:06  

Additional Information
 Earth MOID = .173428 au 
 Jupiter MOID = .897983 au 
 T_jup = 2.973 
[ 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 16.3   n/a MPO449608  
diameter diameter 2.70 km 0.1 IRAS-A-FPA-3-RDR-IMPS-V5.0 IRAS observations used: 4
rotation period rot_per 3.1643 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Galad, A.; Pravec, P.; Gajdos, S.; Kornos, L.; Vilagi, J. (2007) Earth, Moon, and Planets 101, 17-25.]
geometric albedo albedo 0.0668   0.006 EAR-A-5-DDR-ALBEDOS-V1.0:IMPS IMPS quality code 1: at least two valid IRAS band observations used

100004 (1983 VA)          Discovered 1983-Nov-01 by IRAS at IRAS
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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