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85990 (1999 JV6)
Classification: Apollo [NEO, PHA]          SPK-ID: 2085990
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 248 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .311095598677888 9.9249e-09  
a 1.008213935178583 5.1404e-10 au
q .6945630174188125 9.8654e-09 au
i 5.3592177752596 2.1252e-06 deg
node 124.3177464744888 8.4042e-06 deg
peri 235.5310288723832 8.4295e-06 deg
M 194.7133766231595 1.4459e-06 deg
tp 2459170.270675792204
(2020-Nov-16.77067579)
1.5823e-06 TDB
period 369.7664217257944
1.01
2.8279e-07
7.742e-10
d
yr
n .9735875916471485 7.4457e-10 deg/d
Q 1.321864852938354 6.7395e-10 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -3.536359739345053E-14 2.65E-15
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      1149  
   # delay obs. used      15  
   # Doppler obs. used      0  
   data-arc span      7582 days (20.76 yr)  
   first obs. used      1999-05-13  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38738  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-15 05:03:04  

Additional Information
 Earth MOID = .0315199 au 
 Jupiter MOID = 4.12408 au 
 T_jup = 5.994 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 20.2   n/a MPO366219  
diameter diameter 0.451 km 0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 6.538 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2014) Minor Planet Bull. 41, 157-168.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 172-183.]
[Warner, B.D. (2016) Minor Planet Bull. 43, 240-250.]
geometric albedo albedo 0.095   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
SMASSII spectral type spec_B Xk   n/a Binzel et al. (2001) Icarus 151, 139-149  

85990 (1999 JV6)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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