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JPL Small-Body Database Browser
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48949 (1998 QR16)
Classification:
Main-belt Asteroid
SPK-ID:
2048949
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 15
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1839835407103006
5.0183e-08
a
2.360993366654454
1.2138e-08
au
q
1.926609447463834
1.2054e-07
au
i
3.725555937033939
5.1775e-06
deg
node
300.9612066832474
7.4593e-05
deg
peri
53.39768247896492
7.6225e-05
deg
M
233.232936839672
2.0505e-05
deg
t
p
2459067.099754024230
(2020-Aug-05.59975402)
7.7999e-05
TDB
period
1325.075356808385
3.63
1.0219e-05
2.798e-08
d
yr
n
.2716826617824261
2.0951e-09
deg/d
Q
2.795377285845073
1.4371e-08
au
Orbit Determination Parameters
# obs. used (total)
646
data-arc span
10073 days (27.58 yr)
first obs. used
1991-10-11
last obs. used
2019-05-10
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.56184
source
ORB
producer
Otto Matic
solution date
2019-May-30 04:39:36
Additional Information
Earth MOID
= .923369 au
Jupiter MOID
= 2.64665 au
T_jup
= 3.525
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.7
n/a
MPO290802
48949 (1998 QR16)
Discovered 1998-Aug-17 by LINEAR at Socorro
Reference:
20021120/Numbers.arc
Last Updated:
2004-04-19
[ 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
2141-Apr-14 07:49
00:06
Eunom
0.0136190776200279
0.013603877690065
0.0136342862662661
2.90524956431792
2.90524920953494
2503147.825913230
5.94494322859772
931.155787336562
28.0340462855239
-35.6625422976421
42320.833517411
T
15
CATAB v2.0e-lin.ifort 2019-May-30 04:39:40
2019-May-30 04:39
Alternate Designations
1998 QR16
= 2000 CT20
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-16 11:27 UT
(server date/time)
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