COLLECTED BY
Web crawl data from Common Crawl.
The Wayback Machine - https://web.archive.org/web/20210730214105/https://ssd.jpl.nasa.gov/sbdb.cgi?soln=J971A%2F1&sstr=Hale-Bopp&cad=1
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C/1995 O1 (Hale-Bopp) |
Classification: Comet SPK-ID: 1000132 |
[ show orbit diagram ]
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Orbital Elements at Epoch 2450348.5 (1996-Sep-22.0) TDB Reference: JPL J971A/1 (heliocentric ecliptic J2000)
Element |
Value |
Uncertainty (1-sigma) |
Units |
e |
.9952553755606356 |
1.2802e-06 |
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q |
.9143548960566601 |
1.8109e-06 |
au |
tp |
2450539.624184239235
(1997-Apr-01.12418424) |
7.2694e-05 |
TDB |
node |
282.4725761982209 |
8.8981e-06 |
deg |
peri |
130.572277642058 |
0.00011142 |
deg |
i |
89.43353213218714 |
1.8791e-05 |
deg |
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Additional Model Parameters
Parameter |
Value |
Uncertainty (1-sigma) |
A1 [EST] |
1.543227999206216E-8 |
5.525E-10 |
A2 [EST] |
8.351583774686266E-10 |
7.919E-11 |
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Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
comet total magnitude |
M1 |
4.0 |
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0.8 |
J971B/1 |
from 32 observations, assumed slope, autocmod 2.6k |
comet total magnitude slope |
K1 |
8. |
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n/a |
J971B/1 |
autocmod 2.6k |
diameter |
diameter |
60 |
km |
20 |
Fernandez (2002) Earth, Moon and Planets 89:3-25 |
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geometric albedo |
albedo |
0.04 |
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0.03 |
Earth, Moon, and Planets, v. 89, Issue 1, p. 117-134 (2002) |
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[ 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 |
1996-Apr-05 01:13 |
02:59 |
Jupiter |
0.771197370203883 |
0.767822693869519 |
0.774572975891258 |
23.8972229042523 |
23.8512184152057 |
2450178.550858871 |
178.523643321927 |
173578.602441499 |
16480.5739872095 |
-14.3025105993918 |
1709.39724133165 |
T |
J971B/1 |
CATAB v2.0e-lin.ifort 2017-Dec-06 15:02:59 |
2017-Dec-06 15:03 |
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Alternate Designations
Perihelion
Year (est.) |
New-Style
Desig |
Roman
Numeral |
Year/
Letter |
1997.2 |
C/1995 O1 |
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2021-Jul-30 21:41 UT
(server date/time) |
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Site Manager: |
Ryan S. Park |
Webmaster: |
Alan B. Chamberlin |
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