🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470

Radius: 12.4

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.45 AU - 0.59 AU

Year: 254 Days

Day: 6.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,289,661 km

• M1: 154,235 km (0.082 R)
• M2: 658,081 km (0.052 R)
• M3: 1,299,706 km (0.055 R)
• M4: 1,709,754 km (0.105 R)
• M5: 2,698,746 km (0.105 R)
• M6: 3,501,039 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.4

Radius: 9.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.57 AU - 0.69 AU

Year: 339 Days

Day: 15 Hours

Environment

Temp: -146 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,289,661 km

• M1: 123,119 km (0.047 R)
• M2: 477,068 km (0.04 R)
• M3: 868,116 km (0.075 R)
• M4: 1,270,086 km (0.088 R)
• M5: 1,613,862 km (0.089 R)
• M6: 2,795,535 km (0.105 R)
• M7: 3,590,648 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.3

Radius: 12.2

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.18 AU - 1.94 AU

Year: 1322 Days

Day: 11.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,289,661 km

• M1: 157,078 km (0.109 R)
• M2: 552,315 km (0.105 R)
• M3: 942,018 km (0.11 R)
• M4: 1,394,851 km (0.037 R)
• M5: 1,825,244 km (0.111 R)
• M6: 2,213,600 km (0.092 R)
• M7: 3,085,905 km (0.077 R)
• M8: 3,844,366 km (0.105 R)
• M9: 5,265,396 km (0.12 R)
• M10: 5,946,366 km (0.119 R)
• M11: 6,349,532 km (0.087 R)
• M12: 6,835,875 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.6

Radius: 9.3

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.42 AU - 1.98 AU

Year: 1503 Days

Day: 12.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 67.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,289,661 km

• M1: 115,639 km (0.079 R)
• M2: 426,204 km (0.085 R)
• M3: 745,745 km (0.06 R)
• M4: 1,163,871 km (0.05 R)
• M5: 1,685,968 km (0.104 R)
• M6: 2,040,665 km (0.076 R)
• M7: 3,763,284 km (0.082 R)
• M8: 4,299,892 km (0.1 R)
• M9: 4,805,383 km (0.07 R)
• M10: 5,285,143 km (0.077 R)
• M11: 5,773,580 km (0.078 R)
• M12: 6,316,172 km (0.116 R)
• M13: 7,127,291 km (0.027 R)
• M14: 7,421,700 km (0.057 R)
• M15: 7,949,182 km (0.093 R)
• M16: 10,935,604 km (0.111 R)
• M17: 11,255,893 km (0.081 R)
• M18: 11,915,321 km (0.117 R)
• M19: 12,292,607 km (0.088 R)
• M20: 12,639,075 km (0.097 R)
• M21: 13,554,165 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.5

Radius: 12.7

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.65 AU - 2.17 AU

Year: 1790 Days

Day: 7.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,289,661 km

• M1: 158,574 km (0.085 R)
• M2: 590,463 km (0.11 R)
• M3: 1,004,550 km (0.1 R)
• M4: 1,808,638 km (0.036 R)
• M5: 2,915,513 km (0.113 R)
• M6: 3,742,939 km (0.112 R)
• M7: 4,331,008 km (0.068 R)
• M8: 6,086,988 km (0.052 R)
• M9: 6,685,529 km (0.114 R)
• M10: 7,181,147 km (0.11 R)
• M11: 10,578,514 km (0.112 R)
• M12: 11,291,198 km (0.063 R)
• M13: 11,995,804 km (0.118 R)
• M14: 12,812,908 km (0.098 R)
• M15: 13,841,992 km (0.089 R)
• M16: 15,251,802 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.5

Radius: 14.5

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.51 AU - 2.61 AU

Year: 2778 Days

Day: 11.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,289,661 km

• M1: 180,265 km (0.115 R)
• M2: 666,309 km (0.083 R)
• M3: 1,408,763 km (0.081 R)
• M4: 2,132,966 km (0.038 R)
• M5: 3,175,065 km (0.118 R)
• M6: 3,723,790 km (0.063 R)
• M7: 5,079,745 km (0.097 R)
• M8: 6,177,794 km (0.039 R)
• M9: 6,877,164 km (0.108 R)
• M10: 8,527,827 km (0.1 R)
• M11: 9,035,562 km (0.084 R)
• M12: 10,181,781 km (0.071 R)
• M13: 11,010,852 km (0.11 R)
• M14: 12,238,751 km (0.081 R)
• M15: 12,803,932 km (0.107 R)
• M16: 14,030,186 km (0.104 R)
• M17: 14,875,264 km (0.089 R)
• M18: 15,519,433 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.1

Radius: 13.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.21 AU - 4.39 AU

Year: 6048 Days

Day: 9.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,289,661 km

• M1: 175,777 km (0.108 R)
• M2: 636,389 km (0.073 R)
• M3: 1,782,459 km (0.046 R)
• M4: 2,908,631 km (0.082 R)
• M5: 4,022,088 km (0.115 R)
• M6: 5,084,832 km (0.036 R)
• M7: 6,188,864 km (0.115 R)
• M8: 7,415,866 km (0.075 R)
• M9: 12,334,644 km (0.057 R)
• M10: 13,049,871 km (0.048 R)
• M11: 13,651,254 km (0.11 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: 227 - 11,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit