🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786

Radius: 15

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.76 AU - 0.78 AU

Year: 436 Days

Day: 9.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,433,874 km

• M1: 186,549 km (0.102 R)
• M2: 996,172 km (0.092 R)
• M3: 1,495,979 km (0.112 R)
• M4: 2,391,472 km (0.087 R)
• M5: 3,049,253 km (0.098 R)
• M6: 3,723,790 km (0.114 R)
• M7: 6,022,062 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.8

Radius: 12.1

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.28 AU - 1.9 AU

Year: 1295 Days

Day: 7.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,433,874 km

• M1: 150,495 km (0.091 R)
• M2: 663,317 km (0.095 R)
• M3: 1,416,243 km (0.078 R)
• M4: 1,976,786 km (0.107 R)
• M5: 2,482,876 km (0.068 R)
• M6: 3,101,463 km (0.08 R)
• M7: 4,613,150 km (0.079 R)
• M8: 5,011,379 km (0.119 R)
• M9: 5,836,262 km (0.119 R)
• M10: 7,507,719 km (0.113 R)
• M11: 9,278,210 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.7

Radius: 9

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.23 AU - 2.03 AU

Year: 1344 Days

Day: 9.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,433,874 km

• M1: 111,899 km (0.109 R)
• M2: 415,433 km (0.103 R)
• M3: 718,668 km (0.12 R)
• M4: 1,002,455 km (0.075 R)
• M5: 2,791,197 km (0.117 R)
• M6: 4,686,901 km (0.049 R)
• M7: 5,688,010 km (0.115 R)
• M8: 5,982,269 km (0.094 R)
• M9: 6,479,084 km (0.083 R)
• M10: 7,132,078 km (0.067 R)
• M11: 7,911,334 km (0.12 R)
• M12: 9,830,824 km (0.065 R)
• M13: 12,528,672 km (0.091 R)
• M14: 13,224,153 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.5

Radius: 13.2

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.9 AU - 2.36 AU

Year: 2007 Days

Day: 5.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,433,874 km

• M1: 164,109 km (0.101 R)
• M2: 582,385 km (0.047 R)
• M3: 1,175,091 km (0.116 R)
• M4: 2,104,393 km (0.098 R)
• M5: 2,608,837 km (0.084 R)
• M6: 3,073,189 km (0.079 R)
• M7: 3,626,252 km (0.071 R)
• M8: 4,226,589 km (0.111 R)
• M9: 5,143,923 km (0.076 R)
• M10: 5,718,827 km (0.057 R)
• M11: 6,190,061 km (0.091 R)
• M12: 7,932,427 km (0.109 R)
• M13: 8,370,450 km (0.087 R)
• M14: 8,886,413 km (0.105 R)
• M15: 11,347,746 km (0.097 R)
• M16: 11,980,695 km (0.081 R)
• M17: 14,233,639 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.7

Radius: 10.4

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.78 AU - 3.96 AU

Year: 3994 Days

Day: 11.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,433,874 km

• M1: 129,701 km (0.113 R)
• M2: 493,075 km (0.084 R)
• M3: 975,229 km (0.088 R)
• M4: 1,362,238 km (0.089 R)
• M5: 1,826,141 km (0.109 R)
• M6: 2,394,164 km (0.114 R)
• M7: 3,151,279 km (0.046 R)
• M8: 3,732,766 km (0.101 R)
• M9: 4,360,778 km (0.118 R)
• M10: 5,324,039 km (0.083 R)
• M11: 6,516,483 km (0.105 R)
• M12: 8,056,893 km (0.112 R)
• M13: 9,542,100 km (0.117 R)
• M14: 10,117,454 km (0.106 R)
• M15: 10,803,061 km (0.115 R)
• M16: 11,796,091 km (0.096 R)
• M17: 12,701,607 km (0.095 R)
• M18: 14,224,962 km (0.118 R)
• M19: 15,697,155 km (0.114 R)
• M20: 17,449,096 km (0.109 R)
• M21: 18,435,095 km (0.115 R)
• M22: 21,268,628 km (0.041 R)
• M23: 22,321,947 km (0.081 R)
• M24: 22,897,749 km (0.11 R)
• M25: 24,154,072 km (0.057 R)
• M26: 24,914,329 km (0.095 R)
• M27: 26,005,346 km (0.061 R)
• M28: 27,127,928 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.8

Radius: 13.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.9 AU - 6.62 AU

Year: 8926 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,433,874 km

• M1: 169,195 km (0.1 R)
• M2: 757,863 km (0.078 R)
• M3: 1,852,919 km (0.113 R)
• M4: 2,427,973 km (0.101 R)
• M5: 3,463,041 km (0.116 R)
• M6: 4,058,441 km (0.111 R)
• M7: 4,852,357 km (0.038 R)
• M8: 5,688,609 km (0.115 R)
• M9: 6,329,486 km (0.117 R)
• M10: 7,363,506 km (0.08 R)
• M11: 7,939,757 km (0.077 R)
• M12: 8,623,868 km (0.106 R)
• M13: 10,110,273 km (0.115 R)
• M14: 13,009,629 km (0.037 R)
• M15: 14,790,143 km (0.083 R)
• M16: 15,768,513 km (0.091 R)
• M17: 17,599,591 km (0.108 R)
• M18: 20,048,359 km (0.039 R)
• M19: 24,331,794 km (0.109 R)
• M20: 25,127,506 km (0.087 R)
• M21: 26,854,763 km (0.05 R)
• M22: 29,101,423 km (0.063 R)
• M23: 29,817,249 km (0.078 R)
• M24: 30,636,597 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.2

Radius: 4.5

Gravity: 24.26 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 10.25 AU - 10.73 AU

Year: 21937 Days

Day: 15 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,433,874 km

• M1: 55,950 km (0.1 R)
• M2: 207,791 km (0.097 R)
• M3: 450,589 km (0.095 R)
• M4: 948,151 km (0.111 R)
• M5: 1,464,862 km (0.104 R)
• M6: 1,627,774 km (0.075 R)
• M7: 1,858,006 km (0.063 R)
• M8: 2,925,835 km (0.045 R)
• M9: 3,376,873 km (0.075 R)
• M10: 4,449,190 km (0.075 R)
• M11: 5,229,044 km (0.108 R)
• M12: 7,009,408 km (0.071 R)
• M13: 7,618,571 km (0.071 R)
• M14: 8,160,863 km (0.109 R)
• M15: 10,410,067 km (0.049 R)
• M16: 10,589,285 km (0.11 R)
• M17: 11,389,634 km (0.099 R)
• M18: 13,672,647 km (0.105 R)
• M19: 18,240,169 km (0.115 R)
• M20: 26,290,629 km (0.069 R)
• M21: 30,835,263 km (0.116 R)
• M22: 32,205,878 km (0.115 R)
• M23: 36,012,845 km (0.092 R)
• M24: 36,285,861 km (0.081 R)
• M25: 39,093,215 km (0.078 R)
• M26: 39,962,827 km (0.076 R)
• M27: 44,662,145 km (0.103 R)
• M28: 52,643,790 km (0.076 R)
• M29: 53,348,845 km (0.112 R)
• M30: 53,703,691 km (0.067 R)
• M31: 54,777,804 km (0.096 R)
• M32: 55,866,278 km (0.092 R)
• M33: 61,719,893 km (0.109 R)
• M34: 62,110,942 km (0.118 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 11,327 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit