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2099 Opik (1977 VB)
Classification: Mars-crossing Asteroid          SPK-ID: 2002099
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3604439595200984 3.8324e-08  
a 2.304226063039788 2.8884e-09 au
q 1.473681697248319 8.7997e-08 au
i 26.95322833828929 5.068e-06 deg
node 218.8102535379822 6.5775e-06 deg
peri 159.3711286498284 1.0113e-05 deg
M 126.5083466922647 4.992e-06 deg
tp 2458751.545082237442
(2019-Sep-25.04508224)
1.7475e-05 TDB
period 1277.573967413196
3.50
2.4022e-06
6.577e-09
d
yr
n .2817840760554319 5.2983e-10 deg/d
Q 3.134770428831258 3.9294e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1342  
   data-arc span      23124 days (63.31 yr)  
   first obs. used      1956-12-01  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41361  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:12:37  

Additional Information
 Earth MOID = .494129 au 
 Jupiter MOID = 2.38119 au 
 T_jup = 3.365 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457520.5 (2016-May-12.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3620125013004314 3.8446e-08  
q 1.469463304960122 8.8319e-08 au
tp 2457472.740560172449
(2016-Mar-25.24056017)
1.6381e-05 TDB
node 218.8502892954041 6.5771e-06 deg
peri 159.1234023043398 1.0041e-05 deg
i 26.96264681917278 5.0678e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1342  
   data-arc span      23124 days (63.31 yr)  
   first obs. used      1956-12-01  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41361  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:12:37  

Additional Information
 Jupiter MOID = 2.38119 au 
 T_jup = 3.365 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.478089260664154E-15 -3.394797007916406E-15 3.416658349753547E-13 -2.106123396825632E-14 1.534845944168735E-13 -4.531406027628063E-14
q -3.394797007916406E-15 7.800219652059281E-15 -7.819990352801147E-13 4.861445136082357E-14 -3.518664828019783E-13 1.042924176632589E-13
tp 3.416658349753547E-13 -7.819990352801147E-13 2.683387066173146E-10 -3.686976630431925E-12 1.287933594736792E-10 -1.254761474357219E-11
node -2.106123396825632E-14 4.861445136082357E-14 -3.686976630431925E-12 4.325856124444954E-11 -3.894463318571874E-11 7.707153207778394E-12
peri 1.534845944168735E-13 -3.518664828019783E-13 1.287933594736792E-10 -3.894463318571874E-11 1.008227673597872E-10 -1.17287331142907E-11
i -4.531406027628063E-14 1.042924176632589E-13 -1.254761474357219E-11 7.707153207778394E-12 -1.17287331142907E-11 2.568287141129086E-11

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 15.14   n/a E2021B10  
diameter diameter 5.180 km 1.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 6.4430 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:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.056   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
B-V BV 0.690   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=22.02 deg.
U-B UB 0.350   0.057 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=22.02 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Ch   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)

2099 Opik (1977 VB)          Discovered 1977-Nov-08 by Helin, E. F. at Palomar
and E. M. Shoemaker
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1977 VB = 1977 UL2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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