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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .12163110041342 | 3.1688e-08 | |
| a | 2.548586055446748 | 9.1034e-09 | au |
| q | 2.238598729024463 | 8.1471e-08 | au |
| i | 3.181661171750795 | 3.7799e-06 | deg |
| node | 236.130146701708 | 8.1156e-05 | deg |
| peri | 62.69905788174158 | 8.4307e-05 | deg |
| M | 13.34647464452008 | 2.1624e-05 | deg |
| tp | 2458945.405094099990
(2020-Apr-05.90509410) | 8.9348e-05 | TDB |
| period | 1486.097763812658
4.07 | 7.9624e-06
2.18e-08 | d
yr |
| n | .2422451663451818 | 1.2979e-09 | deg/d |
| Q | 2.858573381869034 | 1.0211e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2457156.5 (2015-May-14.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1208782050265821 | 3.1804e-08 | |
| q | 2.239952328960893 | 8.1789e-08 | au |
| tp | 2457461.599278700712
(2016-Mar-14.09927870) | 9.2551e-05 | TDB |
| node | 236.1596482827619 | 8.1109e-05 | deg |
| peri | 63.19129608430686 | 8.4286e-05 | deg |
| i | 3.182402852483182 | 3.7823e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
1.011478012595134E-15 |
-2.588694335827903E-15 |
1.400805704340546E-12 |
-1.737282415432409E-15 |
3.410187408839414E-13 |
-1.190434037613144E-15 |
| q |
-2.588694335827903E-15 |
6.689418355301006E-15 |
-3.854710371642699E-12 |
2.118687102408512E-15 |
-9.413856598540011E-13 |
3.337026417586936E-15 |
| tp |
1.400805704340546E-12 |
-3.854710371642699E-12 |
8.5657190311607E-9 |
2.471171793274666E-11 |
2.147409182428902E-9 |
-5.571347945858098E-12 |
| node |
-1.737282415432409E-15 |
2.118687102408512E-15 |
2.471171793274666E-11 |
6.57866647342013E-9 |
-6.562437453261662E-9 |
-1.514465522486317E-10 |
| peri |
3.410187408839414E-13 |
-9.413856598540011E-13 |
2.147409182428902E-9 |
-6.562437453261662E-9 |
7.104068310720544E-9 |
1.498382954388235E-10 |
| i |
-1.190434037613144E-15 |
3.337026417586936E-15 |
-5.571347945858098E-12 |
-1.514465522486317E-10 |
1.498382954388235E-10 |
1.430591482619373E-11 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.2 |
|
n/a |
MPO473921 |
|
| diameter |
diameter |
3.863 |
km |
0.625 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.297 |
|
0.120 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 11422 Alilienthal | Discovered 1999 June 10 by Spacewatch at Kitt Peak. |
| Alfred Lilienthal (1889-1970) studied in England and was a businessman in Berlin during the 1930s. He spent the 1940s in Shanghai. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20020526/MPCPages.arc | Last Updated: 2003-10-02 |
|
Alternate Designations
| 1999 LD7 = 1979 OQ = 1996 TK47 = 1999 JA119 |
|
|
