🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.4

Radius: 11.8

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.92 AU - 1 AU

Year: 598 Days

Day: 8.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,974,364 km

• M1: 146,756 km (0.111 R)
• M2: 540,647 km (0.098 R)
• M3: 976,575 km (0.081 R)
• M4: 1,454,989 km (0.03 R)
• M5: 1,964,519 km (0.085 R)
• M6: 2,335,672 km (0.035 R)
• M7: 3,017,539 km (0.12 R)
• M8: 4,729,537 km (0.079 R)
• M9: 5,110,712 km (0.104 R)
• M10: 6,743,573 km (0.116 R)
• M11: 7,249,812 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.3

Radius: 11.9

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.89 AU - 1.27 AU

Year: 714 Days

Day: 9.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,974,364 km

• M1: 149,149 km (0.069 R)
• M2: 549,024 km (0.071 R)
• M3: 975,229 km (0.1 R)
• M4: 1,405,771 km (0.054 R)
• M5: 1,840,353 km (0.039 R)
• M6: 2,419,746 km (0.117 R)
• M7: 2,871,681 km (0.114 R)
• M8: 3,298,633 km (0.099 R)
• M9: 4,463,552 km (0.088 R)
• M10: 4,948,099 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.6

Radius: 12.8

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.8 AU - 2.06 AU

Year: 1705 Days

Day: 12.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,974,364 km

• M1: 159,172 km (0.098 R)
• M2: 590,762 km (0.114 R)
• M3: 1,456,934 km (0.094 R)
• M4: 2,109,779 km (0.117 R)
• M5: 2,512,197 km (0.102 R)
• M6: 3,310,451 km (0.027 R)
• M7: 3,805,471 km (0.103 R)
• M8: 4,924,014 km (0.101 R)
• M9: 5,433,395 km (0.093 R)
• M10: 5,977,781 km (0.118 R)
• M11: 6,428,968 km (0.104 R)
• M12: 7,774,302 km (0.092 R)
• M13: 8,405,306 km (0.105 R)
• M14: 9,365,724 km (0.103 R)
• M15: 9,838,304 km (0.098 R)
• M16: 10,685,626 km (0.084 R)
• M17: 12,126,104 km (0.076 R)
• M18: 12,606,762 km (0.025 R)
• M19: 13,692,244 km (0.106 R)
• M20: 14,524,158 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.1

Radius: 13.3

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.02 AU - 2.34 AU

Year: 2047 Days

Day: 12.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,974,364 km

• M1: 165,455 km (0.113 R)
• M2: 591,809 km (0.05 R)
• M3: 1,083,238 km (0.107 R)
• M4: 1,715,888 km (0.109 R)
• M5: 2,131,620 km (0.064 R)
• M6: 2,672,416 km (0.113 R)
• M7: 3,665,297 km (0.048 R)
• M8: 4,168,993 km (0.092 R)
• M9: 4,655,486 km (0.034 R)
• M10: 5,965,215 km (0.062 R)
• M11: 7,985,086 km (0.105 R)
• M12: 8,804,134 km (0.103 R)
• M13: 10,536,477 km (0.053 R)
• M14: 11,098,068 km (0.108 R)
• M15: 12,568,914 km (0.107 R)
• M16: 15,557,431 km (0.053 R)
• M17: 16,040,931 km (0.1 R)
• M18: 16,785,031 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.8

Radius: 11.5

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.37 AU - 3.55 AU

Year: 4092 Days

Day: 12.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 178.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,974,364 km

• M1: 143,165 km (0.106 R)
• M2: 553,063 km (0.048 R)
• M3: 943,813 km (0.066 R)
• M4: 1,370,915 km (0.097 R)
• M5: 1,827,488 km (0.106 R)
• M6: 2,340,459 km (0.096 R)
• M7: 2,965,778 km (0.087 R)
• M8: 3,328,104 km (0.046 R)
• M9: 3,991,421 km (0.082 R)
• M10: 4,692,885 km (0.097 R)
• M11: 5,995,883 km (0.029 R)
• M12: 6,549,694 km (0.094 R)
• M13: 7,201,342 km (0.101 R)
• M14: 7,592,690 km (0.114 R)
• M15: 9,728,798 km (0.084 R)
• M16: 10,207,960 km (0.102 R)
• M17: 11,563,317 km (0.118 R)
• M18: 13,227,743 km (0.116 R)
• M19: 13,717,078 km (0.094 R)
• M20: 14,680,338 km (0.114 R)
• M21: 17,372,202 km (0.115 R)
• M22: 21,429,596 km (0.09 R)
• M23: 23,428,223 km (0.106 R)
• M24: 24,000,734 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.1

Radius: 11.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3 AU - 4.46 AU

Year: 4580 Days

Day: 9.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,974,364 km

• M1: 141,968 km (0.101 R)
• M2: 644,318 km (0.055 R)
• M3: 1,491,790 km (0.071 R)
• M4: 2,225,119 km (0.067 R)
• M5: 4,141,168 km (0.107 R)
• M6: 6,183,478 km (0.096 R)
• M7: 7,568,306 km (0.062 R)
• M8: 8,788,576 km (0.058 R)
• M9: 9,558,706 km (0.062 R)
• M10: 10,614,268 km (0.062 R)
• M11: 11,024,316 km (0.102 R)
• M12: 11,832,743 km (0.091 R)
• M13: 13,424,913 km (0.081 R)
• M14: 14,396,551 km (0.111 R)
• M15: 16,753,316 km (0.079 R)
• M16: 19,600,313 km (0.084 R)
• M17: 20,218,601 km (0.106 R)
• M18: 20,595,887 km (0.056 R)
• M19: 21,559,447 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.3

Radius: 6.6

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.64 AU - 7.8 AU

Year: 13638 Days

Day: 21.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,974,364 km

• M1: 119,080 km (0.091 R)
• M2: 721,062 km (0.039 R)
• M3: 1,021,604 km (0.068 R)
• M4: 1,587,533 km (0.079 R)
• M5: 1,878,201 km (0.069 R)
• M6: 3,343,512 km (0.097 R)
• M7: 3,950,581 km (0.036 R)
• M8: 4,861,332 km (0.087 R)
• M9: 5,704,765 km (0.039 R)
• M10: 6,109,427 km (0.117 R)
• M11: 7,963,394 km (0.091 R)
• M12: 14,145,376 km (0.07 R)
• M13: 14,886,484 km (0.102 R)
• M14: 15,459,145 km (0.107 R)
• M15: 16,716,066 km (0.064 R)
• M16: 19,885,746 km (0.101 R)
• M17: 22,098,897 km (0.084 R)
• M18: 23,349,535 km (0.059 R)
• M19: 23,862,805 km (0.039 R)
• M20: 26,265,796 km (0.117 R)
• M21: 28,243,031 km (0.12 R)
• M22: 29,814,407 km (0.116 R)
• M23: 38,316,054 km (0.111 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 18,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit