🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.4

Radius: 8.2

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.63 AU - 0.99 AU

Year: 478 Days

Day: 5.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,819,898 km

• M1: 102,026 km (0.052 R)
• M2: 384,018 km (0.11 R)
• M3: 657,782 km (0.111 R)
• M4: 1,083,238 km (0.062 R)
• M5: 1,354,010 km (0.051 R)
• M6: 1,623,286 km (0.095 R)
• M7: 2,059,813 km (0.107 R)
• M8: 2,703,982 km (0.113 R)
• M9: 2,980,438 km (0.088 R)
• M10: 3,341,568 km (0.087 R)
• M11: 3,731,868 km (0.098 R)
• M12: 4,101,076 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.1

Radius: 13.3

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.76 AU - 0.94 AU

Year: 514 Days

Day: 9.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,819,898 km

• M1: 165,605 km (0.078 R)
• M2: 623,524 km (0.026 R)
• M3: 1,385,127 km (0.072 R)
• M4: 1,926,222 km (0.113 R)
• M5: 2,354,072 km (0.08 R)
• M6: 2,823,809 km (0.113 R)
• M7: 3,885,805 km (0.118 R)
• M8: 4,319,190 km (0.068 R)
• M9: 5,080,344 km (0.101 R)
• M10: 5,636,249 km (0.089 R)
• M11: 6,079,657 km (0.063 R)
• M12: 6,912,020 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.6

Radius: 13.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.8 AU - 1.14 AU

Year: 627 Days

Day: 9.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,819,898 km

• M1: 172,935 km (0.115 R)
• M2: 921,972 km (0.089 R)
• M3: 1,502,860 km (0.052 R)
• M4: 1,980,526 km (0.108 R)
• M5: 2,508,307 km (0.026 R)
• M6: 3,057,332 km (0.073 R)
• M7: 3,577,932 km (0.069 R)
• M8: 4,010,719 km (0.12 R)
• M9: 5,489,344 km (0.083 R)
• M10: 5,991,544 km (0.093 R)
• M11: 6,646,933 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.9

Radius: 10.9

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.99 AU - 1.07 AU

Year: 686 Days

Day: 7.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,819,898 km

• M1: 135,536 km (0.107 R)
• M2: 477,367 km (0.118 R)
• M3: 821,143 km (0.1 R)
• M4: 1,186,311 km (0.099 R)
• M5: 2,026,453 km (0.098 R)
• M6: 2,532,094 km (0.099 R)
• M7: 3,159,806 km (0.084 R)
• M8: 3,754,757 km (0.106 R)
• M9: 4,439,466 km (0.092 R)
• M10: 4,829,468 km (0.05 R)
• M11: 5,543,499 km (0.117 R)
• M12: 7,530,158 km (0.047 R)
• M13: 8,286,974 km (0.12 R)
• M14: 8,827,920 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.3

Radius: 10.2

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.58 AU - 2.04 AU

Year: 1597 Days

Day: 9 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,819,898 km

• M1: 127,308 km (0.096 R)
• M2: 502,350 km (0.059 R)
• M3: 917,933 km (0.062 R)
• M4: 1,394,103 km (0.109 R)
• M5: 1,964,070 km (0.095 R)
• M6: 2,433,359 km (0.103 R)
• M7: 3,331,545 km (0.083 R)
• M8: 3,759,544 km (0.096 R)
• M9: 4,537,902 km (0.103 R)
• M10: 5,083,635 km (0.076 R)
• M11: 5,594,063 km (0.112 R)
• M12: 6,520,522 km (0.104 R)
• M13: 7,788,215 km (0.092 R)
• M14: 8,135,731 km (0.106 R)
• M15: 8,702,707 km (0.074 R)
• M16: 9,323,388 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.8

Radius: 11.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.87 AU - 2.53 AU

Year: 2141 Days

Day: 9 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,819,898 km

• M1: 143,614 km (0.105 R)
• M2: 640,728 km (0.093 R)
• M3: 1,114,953 km (0.074 R)
• M4: 1,810,733 km (0.067 R)
• M5: 2,166,925 km (0.105 R)
• M6: 2,776,985 km (0.118 R)
• M7: 3,208,276 km (0.118 R)
• M8: 3,859,176 km (0.065 R)
• M9: 4,244,989 km (0.092 R)
• M10: 5,181,322 km (0.088 R)
• M11: 5,606,180 km (0.12 R)
• M12: 7,349,295 km (0.08 R)
• M13: 8,450,784 km (0.096 R)
• M14: 9,927,614 km (0.084 R)
• M15: 11,124,846 km (0.115 R)
• M16: 12,181,156 km (0.111 R)
• M17: 13,636,145 km (0.112 R)
• M18: 14,580,407 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.7

Radius: 4.1

Gravity: 31.75 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7 AU - 8.84 AU

Year: 14622 Days

Day: 15.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,819,898 km

• M1: 51,162 km (0.116 R)
• M2: 491,579 km (0.092 R)
• M3: 816,356 km (0.111 R)
• M4: 981,212 km (0.065 R)
• M5: 1,168,359 km (0.111 R)
• M6: 1,393,055 km (0.12 R)
• M7: 2,223,623 km (0.113 R)
• M8: 5,398,389 km (0.085 R)
• M9: 6,567,496 km (0.107 R)
• M10: 7,715,061 km (0.109 R)
• M11: 9,547,486 km (0.089 R)
• M12: 13,063,634 km (0.099 R)
• M13: 14,449,658 km (0.082 R)
• M14: 16,745,537 km (0.042 R)
• M15: 17,355,298 km (0.107 R)
• M16: 19,858,369 km (0.097 R)
• M17: 20,027,714 km (0.08 R)
• M18: 28,682,849 km (0.092 R)
• M19: 37,821,483 km (0.1 R)
• M20: 40,206,373 km (0.084 R)
• M21: 41,297,689 km (0.109 R)
• M22: 42,408,752 km (0.071 R)
• M23: 52,506,010 km (0.061 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 19,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit