🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.4

Radius: 15

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.55 AU - 0.79 AU

Year: 372 Days

Day: 8 Hours

Environment

Temp: -153 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,046,222 km

• M1: 186,549 km (0.059 R)
• M2: 835,504 km (0.1 R)
• M3: 1,367,773 km (0.109 R)
• M4: 1,834,519 km (0.041 R)
• M5: 2,447,870 km (0.046 R)
• M6: 3,098,022 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.5

Radius: 8.5

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.57 AU - 0.87 AU

Year: 414 Days

Day: 10.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,046,222 km

• M1: 105,766 km (0.049 R)
• M2: 402,269 km (0.086 R)
• M3: 733,329 km (0.111 R)
• M4: 1,190,201 km (0.089 R)
• M5: 1,474,437 km (0.095 R)
• M6: 2,210,458 km (0.111 R)
• M7: 2,556,478 km (0.058 R)
• M8: 2,927,630 km (0.071 R)
• M9: 3,275,745 km (0.115 R)
• M10: 3,689,233 km (0.059 R)
• M11: 4,015,207 km (0.096 R)
• M12: 4,303,781 km (0.112 R)
• M13: 5,318,952 km (0.066 R)
• M14: 5,753,235 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 10.7

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.64 AU - 0.98 AU

Year: 494 Days

Day: 10.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,046,222 km

• M1: 133,292 km (0.117 R)
• M2: 479,162 km (0.06 R)
• M3: 1,080,845 km (0.1 R)
• M4: 1,457,382 km (0.107 R)
• M5: 1,846,935 km (0.096 R)
• M6: 2,412,565 km (0.053 R)
• M7: 2,892,026 km (0.072 R)
• M8: 3,803,975 km (0.12 R)
• M9: 4,347,314 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.4

Radius: 8.9

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.87 AU - 0.97 AU

Year: 599 Days

Day: 5.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,046,222 km

• M1: 111,450 km (0.06 R)
• M2: 457,919 km (0.086 R)
• M3: 828,174 km (0.101 R)
• M4: 1,112,559 km (0.119 R)
• M5: 1,511,836 km (0.094 R)
• M6: 2,482,277 km (0.119 R)
• M7: 2,780,127 km (0.061 R)
• M8: 3,159,956 km (0.115 R)
• M9: 3,473,363 km (0.063 R)
• M10: 4,234,517 km (0.073 R)
• M11: 4,647,108 km (0.057 R)
• M12: 5,349,470 km (0.051 R)
• M13: 5,779,265 km (0.075 R)
• M14: 6,121,096 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536

Radius: 14.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.9 AU - 2.22 AU

Year: 2005 Days

Day: 14.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,046,222 km

• M1: 182,809 km (0.082 R)
• M2: 710,291 km (0.1 R)
• M3: 1,183,319 km (0.061 R)
• M4: 1,974,094 km (0.069 R)
• M5: 2,433,808 km (0.087 R)
• M6: 3,460,648 km (0.027 R)
• M7: 3,974,666 km (0.053 R)
• M8: 4,559,444 km (0.108 R)
• M9: 5,647,469 km (0.082 R)
• M10: 6,464,722 km (0.106 R)
• M11: 7,779,987 km (0.04 R)
• M12: 8,425,801 km (0.1 R)
• M13: 9,494,229 km (0.038 R)
• M14: 10,095,463 km (0.076 R)
• M15: 10,900,748 km (0.113 R)
• M16: 11,786,218 km (0.101 R)
• M17: 13,575,708 km (0.068 R)
• M18: 14,513,686 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.2

Radius: 9.5

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.02 AU - 4.22 AU

Year: 4671 Days

Day: 7.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,046,222 km

• M1: 118,182 km (0.105 R)
• M2: 434,283 km (0.087 R)
• M3: 867,518 km (0.094 R)
• M4: 1,314,516 km (0.093 R)
• M5: 1,861,297 km (0.112 R)
• M6: 2,600,161 km (0.074 R)
• M7: 3,116,124 km (0.095 R)
• M8: 3,484,434 km (0.093 R)
• M9: 3,943,699 km (0.075 R)
• M10: 5,008,537 km (0.109 R)
• M11: 5,568,482 km (0.11 R)
• M12: 6,369,578 km (0.079 R)
• M13: 9,161,523 km (0.114 R)
• M14: 9,960,226 km (0.054 R)
• M15: 10,887,284 km (0.094 R)
• M16: 12,047,865 km (0.081 R)
• M17: 15,809,054 km (0.119 R)
• M18: 16,623,315 km (0.099 R)
• M19: 17,351,408 km (0.096 R)
• M20: 18,811,184 km (0.103 R)
• M21: 19,356,169 km (0.083 R)
• M22: 19,974,009 km (0.098 R)
• M23: 22,240,566 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.6

Radius: 6

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.54 AU - 7.4 AU

Year: 11162 Days

Day: 23.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 44,046,222 km

• M1: 75,098 km (0.045 R)
• M2: 265,087 km (0.088 R)
• M3: 1,009,187 km (0.113 R)
• M4: 1,322,146 km (0.057 R)
• M5: 1,654,852 km (0.106 R)
• M6: 1,864,588 km (0.037 R)
• M7: 2,248,157 km (0.115 R)
• M8: 2,909,978 km (0.09 R)
• M9: 3,498,047 km (0.045 R)
• M10: 5,311,472 km (0.079 R)
• M11: 5,737,677 km (0.104 R)
• M12: 6,257,380 km (0.069 R)
• M13: 6,583,952 km (0.088 R)
• M14: 7,551,102 km (0.086 R)
• M15: 7,879,769 km (0.069 R)
• M16: 8,565,525 km (0.057 R)
• M17: 9,013,870 km (0.096 R)
• M18: 10,453,151 km (0.058 R)
• M19: 11,601,464 km (0.095 R)
• M20: 17,321,339 km (0.106 R)
• M21: 19,149,425 km (0.115 R)
• M22: 23,616,417 km (0.107 R)
• M23: 24,053,991 km (0.079 R)
• M24: 25,307,921 km (0.05 R)
• M25: 25,951,042 km (0.068 R)
• M26: 26,510,837 km (0.116 R)
• M27: 27,654,513 km (0.087 R)
• M28: 27,945,630 km (0.084 R)
• M29: 29,836,248 km (0.053 R)
• M30: 30,450,497 km (0.066 R)
• M31: 34,763,404 km (0.115 R)
• M32: 35,672,211 km (0.115 R)
• M33: 36,713,412 km (0.074 R)
• M34: 37,182,700 km (0.04 R)
• M35: 41,969,234 km (0.079 R)
• M36: 42,353,551 km (0.11 R)
• M37: 42,869,663 km (0.077 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 17,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit