🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.4

Radius: 13.2

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.85 AU - 1.29 AU

Year: 751 Days

Day: 13.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,777,204 km

• M1: 164,408 km (0.104 R)
• M2: 574,905 km (0.039 R)
• M3: 1,040,304 km (0.08 R)
• M4: 1,477,429 km (0.104 R)
• M5: 1,918,443 km (0.092 R)
• M6: 2,362,599 km (0.094 R)
• M7: 3,025,168 km (0.084 R)
• M8: 3,691,327 km (0.066 R)
• M9: 4,193,827 km (0.112 R)
• M10: 4,604,772 km (0.111 R)
• M11: 5,024,544 km (0.072 R)
• M12: 5,761,912 km (0.119 R)
• M13: 6,462,628 km (0.109 R)
• M14: 6,945,829 km (0.092 R)
• M15: 7,359,018 km (0.115 R)
• M16: 8,362,222 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.9

Radius: 13

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.36 AU - 1.86 AU

Year: 1386 Days

Day: 9.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,777,204 km

• M1: 182,958 km (0.106 R)
• M2: 645,365 km (0.114 R)
• M3: 1,077,404 km (0.078 R)
• M4: 1,647,222 km (0.025 R)
• M5: 2,125,487 km (0.111 R)
• M6: 4,121,272 km (0.107 R)
• M7: 5,557,860 km (0.063 R)
• M8: 6,298,968 km (0.1 R)
• M9: 7,441,596 km (0.068 R)
• M10: 8,122,865 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.1

Radius: 13.9

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.38 AU - 1.88 AU

Year: 1411 Days

Day: 11.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,777,204 km

• M1: 173,085 km (0.083 R)
• M2: 635,941 km (0.108 R)
• M3: 1,302,100 km (0.111 R)
• M4: 2,424,981 km (0.085 R)
• M5: 3,437,460 km (0.115 R)
• M6: 4,131,444 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.4

Radius: 12.9

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.92 AU - 2.44 AU

Year: 2183 Days

Day: 6.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,777,204 km

• M1: 160,818 km (0.045 R)
• M2: 619,784 km (0.098 R)
• M3: 1,169,556 km (0.111 R)
• M4: 1,730,698 km (0.096 R)
• M5: 2,521,323 km (0.089 R)
• M6: 3,000,784 km (0.056 R)
• M7: 3,781,834 km (0.085 R)
• M8: 4,860,136 km (0.11 R)
• M9: 5,725,410 km (0.097 R)
• M10: 6,332,478 km (0.1 R)
• M11: 7,117,268 km (0.117 R)
• M12: 8,143,510 km (0.117 R)
• M13: 10,139,145 km (0.115 R)
• M14: 12,049,061 km (0.096 R)
• M15: 14,671,662 km (0.116 R)
• M16: 15,532,149 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.5

Radius: 10.1

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.51 AU - 4.89 AU

Year: 6911 Days

Day: 11.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,777,204 km

• M1: 125,662 km (0.067 R)
• M2: 513,569 km (0.079 R)
• M3: 904,319 km (0.07 R)
• M4: 1,295,966 km (0.1 R)
• M5: 1,800,710 km (0.104 R)
• M6: 2,312,633 km (0.08 R)
• M7: 2,668,527 km (0.111 R)
• M8: 3,207,528 km (0.088 R)
• M9: 3,988,279 km (0.032 R)
• M10: 5,210,195 km (0.05 R)
• M11: 6,914,713 km (0.089 R)
• M12: 7,815,442 km (0.118 R)
• M13: 9,006,091 km (0.12 R)
• M14: 11,086,997 km (0.038 R)
• M15: 13,526,639 km (0.058 R)
• M16: 17,020,199 km (0.104 R)
• M17: 19,803,617 km (0.083 R)
• M18: 21,073,702 km (0.1 R)
• M19: 22,636,252 km (0.089 R)
• M20: 22,957,888 km (0.078 R)
• M21: 23,364,195 km (0.112 R)
• M22: 24,024,221 km (0.116 R)
• M23: 25,037,448 km (0.087 R)
• M24: 30,048,677 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.3

Radius: 14.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.3 AU - 5.56 AU

Year: 8582 Days

Day: 14.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,777,204 km

• M1: 175,329 km (0.119 R)
• M2: 708,196 km (0.114 R)
• M3: 1,231,789 km (0.033 R)
• M4: 1,988,904 km (0.103 R)
• M5: 2,600,011 km (0.101 R)
• M6: 3,228,023 km (0.105 R)
• M7: 4,847,420 km (0.115 R)
• M8: 7,065,956 km (0.073 R)
• M9: 9,577,555 km (0.047 R)
• M10: 10,265,256 km (0.09 R)
• M11: 14,327,437 km (0.1 R)
• M12: 15,044,908 km (0.118 R)
• M13: 18,088,178 km (0.108 R)
• M14: 19,068,792 km (0.089 R)
• M15: 20,456,013 km (0.115 R)
• M16: 21,831,416 km (0.085 R)
• M17: 23,760,031 km (0.06 R)
• M18: 24,936,319 km (0.047 R)
• M19: 30,420,727 km (0.086 R)
• M20: 33,965,598 km (0.074 R)
• M21: 35,241,967 km (0.069 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 15,643 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit