🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.8

Radius: 14.1

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.99 AU - 1.55 AU

Year: 988 Days

Day: 7.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,233,389 km

• M1: 181,013 km (0.075 R)
• M2: 737,667 km (0.041 R)
• M3: 1,216,679 km (0.091 R)
• M4: 2,039,917 km (0.111 R)
• M5: 2,766,663 km (0.12 R)
• M6: 3,356,827 km (0.117 R)
• M7: 4,015,207 km (0.096 R)
• M8: 4,775,762 km (0.111 R)
• M9: 6,671,317 km (0.105 R)
• M10: 7,158,258 km (0.12 R)
• M11: 8,080,379 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467

Radius: 10.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.07 AU - 1.47 AU

Year: 988 Days

Day: 9.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 73.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,233,389 km

• M1: 128,056 km (0.1 R)
• M2: 563,834 km (0.089 R)
• M3: 1,021,604 km (0.086 R)
• M4: 1,826,440 km (0.097 R)
• M5: 2,602,704 km (0.077 R)
• M6: 3,322,419 km (0.072 R)
• M7: 4,249,028 km (0.073 R)
• M8: 4,868,663 km (0.08 R)
• M9: 5,358,147 km (0.103 R)
• M10: 6,081,901 km (0.115 R)
• M11: 7,462,690 km (0.03 R)
• M12: 7,868,848 km (0.025 R)
• M13: 8,962,259 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.7

Radius: 14.8

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.88 AU - 2.1 AU

Year: 1938 Days

Day: 11.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,233,389 km

• M1: 184,155 km (0.082 R)
• M2: 670,946 km (0.097 R)
• M3: 1,304,344 km (0.099 R)
• M4: 2,012,989 km (0.065 R)
• M5: 2,731,358 km (0.108 R)
• M6: 4,079,384 km (0.112 R)
• M7: 4,902,771 km (0.05 R)
• M8: 6,009,496 km (0.072 R)
• M9: 6,965,277 km (0.041 R)
• M10: 7,928,538 km (0.067 R)
• M11: 10,707,468 km (0.09 R)
• M12: 13,115,096 km (0.102 R)
• M13: 13,592,911 km (0.119 R)
• M14: 14,491,546 km (0.076 R)
• M15: 15,143,942 km (0.102 R)
• M16: 15,767,167 km (0.117 R)
• M17: 17,635,345 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.4

Radius: 14.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.92 AU - 2.58 AU

Year: 2330 Days

Day: 10.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,233,389 km

• M1: 182,809 km (0.111 R)
• M2: 677,529 km (0.1 R)
• M3: 1,309,729 km (0.108 R)
• M4: 1,874,461 km (0.065 R)
• M5: 2,437,099 km (0.071 R)
• M6: 3,565,366 km (0.113 R)
• M7: 4,043,481 km (0.098 R)
• M8: 4,907,708 km (0.117 R)
• M9: 5,992,442 km (0.113 R)
• M10: 7,760,838 km (0.082 R)
• M11: 8,603,374 km (0.093 R)
• M12: 9,368,417 km (0.1 R)
• M13: 10,070,181 km (0.117 R)
• M14: 10,619,354 km (0.081 R)
• M15: 12,471,077 km (0.109 R)
• M16: 12,933,933 km (0.097 R)
• M17: 15,859,020 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.4

Radius: 14.5

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.14 AU - 2.9 AU

Year: 2761 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,233,389 km

• M1: 180,415 km (0.067 R)
• M2: 663,317 km (0.079 R)
• M3: 1,306,887 km (0.118 R)
• M4: 3,044,616 km (0.102 R)
• M5: 3,982,445 km (0.098 R)
• M6: 5,558,159 km (0.083 R)
• M7: 6,929,373 km (0.118 R)
• M8: 14,178,886 km (0.081 R)
• M9: 15,388,086 km (0.102 R)
• M10: 16,339,528 km (0.074 R)
• M11: 19,008,653 km (0.107 R)
• M12: 20,166,092 km (0.084 R)
• M13: 22,220,969 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.4

Radius: 8.3

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.54 AU - 2.68 AU

Year: 2911 Days

Day: 10.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 69.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,233,389 km

• M1: 103,671 km (0.109 R)
• M2: 463,005 km (0.068 R)
• M3: 774,917 km (0.099 R)
• M4: 1,049,878 km (0.077 R)
• M5: 2,716,099 km (0.089 R)
• M6: 3,062,717 km (0.049 R)
• M7: 3,825,966 km (0.104 R)
• M8: 6,708,268 km (0.112 R)
• M9: 6,992,504 km (0.048 R)
• M10: 7,404,047 km (0.068 R)
• M11: 8,503,741 km (0.101 R)
• M12: 8,904,813 km (0.106 R)
• M13: 13,502,704 km (0.092 R)
• M14: 16,382,313 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.2

Radius: 9.1

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.17 AU - 4.47 AU

Year: 5154 Days

Day: 14.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,233,389 km

• M1: 113,395 km (0.115 R)
• M2: 419,921 km (0.106 R)
• M3: 736,321 km (0.111 R)
• M4: 1,218,026 km (0.095 R)
• M5: 2,024,957 km (0.087 R)
• M6: 2,721,634 km (0.119 R)
• M7: 3,365,503 km (0.113 R)
• M8: 5,098,146 km (0.116 R)
• M9: 7,640,412 km (0.104 R)
• M10: 10,251,942 km (0.113 R)
• M11: 10,685,178 km (0.073 R)
• M12: 12,453,275 km (0.114 R)
• M13: 14,604,343 km (0.11 R)
• M14: 15,102,803 km (0.106 R)
• M15: 16,828,863 km (0.073 R)
• M16: 17,376,840 km (0.075 R)
• M17: 18,857,410 km (0.079 R)
• M18: 19,329,541 km (0.114 R)
• M19: 19,748,864 km (0.072 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 17,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit