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4302 Markeev (1968 HP)
Classification:
Main-belt Asteroid
SPK-ID:
2004302
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
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Close-Approach Data
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[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 46
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1309059587551518
2.535e-08
a
2.458281244311497
7.8515e-09
au
q
2.136477581135093
6.2094e-08
au
i
5.701986724962754
4.2214e-06
deg
node
152.0182078243758
3.0155e-05
deg
peri
101.9599865862691
3.4965e-05
deg
M
199.7510489877781
1.7788e-05
deg
t
p
2459827.169377091297
(2022-Sep-04.66937709)
7.0086e-05
TDB
period
1407.81561643833
3.85
6.7446e-06
1.847e-08
d
yr
n
.2557153051837666
1.2251e-09
deg/d
Q
2.780084907487901
8.8793e-09
au
Orbit Determination Parameters
# obs. used (total)
2827
data-arc span
25226 days (69.07 yr)
first obs. used
1951-12-27
last obs. used
2021-01-19
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.44489
source
ORB
producer
Otto Matic
solution date
2021-Feb-24 01:17:00
Additional Information
Earth MOID
= 1.12914 au
Jupiter MOID
= 2.2738 au
T_jup
= 3.473
[ show covariance matrix ]
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
12.72
n/a
E2021B10
diameter
diameter
7.450
km
0.139
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)
rotation period
rot_per
5.134
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Published Reference List:
[Stephens, R.D. (2016) Minor Planet Bull. 43, 52-56.]
[Stephens, R.D.; Warner, B.D. (2020) Minor Planet Bull. 47, 224-230.]
geometric albedo
albedo
0.265
0.053
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)
4302 Markeev (1968 HP)
Discovered 1968-Apr-22 by Smirnova, T. M. at Nauchnyj
Reference:
DISCOVERY.DB
Last 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
1946-Feb-03 03:35
< 00:01
Hebe
0.0491852811705976
0.0491845292994442
0.0491860333662479
6.74255635019461
6.74255633144907
2431854.649044736
0.357098739062536
321.650063294594
29.3136110601429
-85.8163958101475
250288.404895567
T
46
CATAB v2.0f-lin.ifort 2021-Feb-24 01:17:07
2021-Feb-24 01:17
1955-Apr-03 17:49
00:03
Europ
0.0488521528996681
0.0488493416683567
0.048854964157964
2.61969180510697
2.61969172205733
2435201.242303552
3.04229136326128
152.229064503608
39.9522946381655
-23.9975012310604
86224.5281830294
T
46
CATAB v2.0f-lin.ifort 2021-Feb-24 01:17:07
2021-Feb-24 01:17
Alternate Designations
1968 HP
= 1960 DA = 1976 KK = 1996 TZ67
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2021-Feb-27 05:35 UT
(server date/time)
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