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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3603381872821039 3.8322e-08  
a 2.304358977463226 2.8865e-09 au
q 1.474010440676885 8.7982e-08 au
i 26.95165590522535 5.0679e-06 deg
node 218.8188768748151 6.5776e-06 deg
peri 159.3718897593247 1.0116e-05 deg
M 70.1546611310437 4.9642e-06 deg
tp 2458751.512433752993
(2019-Sep-25.01243375)
1.7483e-05 TDB
period 1277.684510249292
3.50
2.4007e-06
6.573e-09
d
yr
n .2817596966325901 5.294e-10 deg/d
Q 3.134707514249568 3.9266e-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 = .495548 au 
 Jupiter MOID = 2.38005 au 
 T_jup = 3.365 
[ 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 15.1   n/a MPO502173  
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. 2019-August); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1970-Oct-21 17:47 < 00:01 Earth 0.499117541025449 0.499117167526695 0.499117914524884 13.769537655369 13.7691499549416 2440881.240643690 0.0513142489123344 64.8471122464679 16.4402226935483 -81.9797356135923 3997521.87791403 T 20 CATAB v2.0f-lin.ifort 2020-Nov-13 04:12:42 2020-Nov-13 04:12
1977-Oct-22 14:17 < 00:01 Earth 0.492555377299745 0.492555072993546 0.492555681605971 13.7305752313567 13.7301812507988 2443439.095091949 0.0447679144952889 57.6922341565276 15.1031687337614 -88.4890897885621 4308536.1881007 T 20 CATAB v2.0f-lin.ifort 2020-Nov-13 04:12:42 2020-Nov-13 04:12
1984-Oct-23 11:08 < 00:01 Earth 0.492620150644921 0.492619867890203 0.492620433399835 13.6885640275097 13.6881688897251 2445996.963613888 0.0380646051956436 51.3190079472553 13.4120165172625 84.9624853993759 4794769.93094111 T 20 CATAB v2.0f-lin.ifort 2020-Nov-13 04:12:42 2020-Nov-13 04:12
1991-Oct-25 01:01 < 00:01 Earth 0.493164567325659 0.493164280709038 0.493164853942729 13.6643904771351 13.663995077276 2448554.542662802 0.0323678124130334 43.7462447985834 11.8721395883993 79.1059201819397 5326513.20503635 T 20 CATAB v2.0f-lin.ifort 2020-Nov-13 04:12:42 2020-Nov-13 04:12
1998-Oct-25 08:51 < 00:01 Earth 0.492400168761793 0.492399875885133 0.492400461638929 13.692666737106 13.6922715412401 2451111.869021047 0.0275838898011264 36.7724808097956 10.2584108547931 72.8802777617769 6040071.43232911 T 20 CATAB v2.0f-lin.ifort 2020-Nov-13 04:12:42 2020-Nov-13 04:12
2005-Oct-26 04:57 < 00:01 Earth 0.496375715221286 0.496375418697704 0.496376011745347 13.6900830441134 13.6896909394858 2453669.706352760 0.0241313858052084 31.9296075332697 7.85527289513708 66.1228340202432 7803377.42729177 T 20 CATAB v2.0f-lin.ifort 2020-Nov-13 04:12:42 2020-Nov-13 04:12
2005-Nov-01 03:03 < 00:01 Mars 0.0743378145676778 0.0743374697059297 0.0743381594294302 13.6958439242315 13.6955627263414 2453675.626753306 0.0471839104229963 17.4300647705593 16.6261545467964 -32.8944231044387 646862.627630604 T 20 CATAB v2.0f-lin.ifort 2020-Nov-13 04:12:42 2020-Nov-13 04:12

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