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97157 (1999 VP165)
Classification: Main-belt Asteroid          SPK-ID: 2097157
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04751930836061192 5.4036e-08  
a 2.644466211874682 1.607e-08 au
q 2.51880300650339 1.4476e-07 au
i 11.59891113168256 6.2807e-06 deg
node 40.74240782850108 2.4674e-05 deg
peri 21.63152327534211 7.2601e-05 deg
M 271.3038827205179 6.7736e-05 deg
tp 2459387.496973411044
(2021-Jun-21.99697341)
0.00029631 TDB
period 1570.744184764944
4.30
1.4318e-05
3.92e-08
d
yr
n .229190725957628 2.0892e-09 deg/d
Q 2.770129417245975 1.6834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      627  
   data-arc span      7574 days (20.74 yr)  
   first obs. used      1999-11-03  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58703  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:47:17  

Additional Information
 Earth MOID = 1.53299 au 
 Jupiter MOID = 2.40761 au 
 T_jup = 3.363 
[ 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 15.2   n/a MPO302545  
rotation period rot_per 1.13 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

97157 (1999 VP165)          Discovered 1999-Nov-14 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1999 VP165 = 2001 FV121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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