🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.2

Radius: 9.2

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.54 AU - 0.54 AU

Year: 269 Days

Day: 9.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,244,289 km

• M1: 114,442 km (0.074 R)
• M2: 415,284 km (0.041 R)
• M3: 767,736 km (0.111 R)
• M4: 1,165,517 km (0.114 R)
• M5: 1,515,426 km (0.092 R)
• M6: 2,218,536 km (0.093 R)
• M7: 2,511,748 km (0.096 R)
• M8: 2,860,461 km (0.083 R)
• M9: 3,495,205 km (0.03 R)
• M10: 3,846,311 km (0.066 R)
• M11: 4,169,592 km (0.056 R)
• M12: 4,470,583 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207

Radius: 11.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.69 AU - 0.91 AU

Year: 485 Days

Day: 9.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,244,289 km

• M1: 147,055 km (0.114 R)
• M2: 555,906 km (0.094 R)
• M3: 1,003,203 km (0.07 R)
• M4: 1,733,989 km (0.105 R)
• M5: 2,466,869 km (0.1 R)
• M6: 3,428,185 km (0.102 R)
• M7: 4,096,438 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.4

Radius: 10.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.08 AU - 1.12 AU

Year: 782 Days

Day: 7 Hours

Environment

Temp: -177 °C

Axial Tilt: 134.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,244,289 km

• M1: 134,189 km (0.109 R)
• M2: 515,365 km (0.118 R)
• M3: 1,007,691 km (0.116 R)
• M4: 1,709,904 km (0.032 R)
• M5: 2,945,881 km (0.084 R)
• M6: 4,844,278 km (0.05 R)
• M7: 5,274,372 km (0.104 R)
• M8: 5,967,160 km (0.03 R)
• M9: 6,580,212 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.1

Radius: 8.5

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.55 AU - 2.61 AU

Year: 2811 Days

Day: 5.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,244,289 km

• M1: 105,766 km (0.093 R)
• M2: 390,450 km (0.102 R)
• M3: 780,452 km (0.085 R)
• M4: 1,107,922 km (0.101 R)
• M5: 1,562,849 km (0.119 R)
• M6: 2,206,120 km (0.094 R)
• M7: 3,190,025 km (0.114 R)
• M8: 3,656,621 km (0.049 R)
• M9: 4,983,255 km (0.069 R)
• M10: 5,270,483 km (0.089 R)
• M11: 5,677,987 km (0.109 R)
• M12: 6,014,582 km (0.041 R)
• M13: 6,556,426 km (0.068 R)
• M14: 7,873,934 km (0.113 R)
• M15: 8,321,382 km (0.097 R)
• M16: 9,703,067 km (0.115 R)
• M17: 10,250,446 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.2

Radius: 8

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.03 AU - 5.39 AU

Year: 6933 Days

Day: 11.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,244,289 km

• M1: 105,466 km (0.06 R)
• M2: 558,000 km (0.078 R)
• M3: 893,698 km (0.083 R)
• M4: 2,769,954 km (0.105 R)
• M5: 4,114,989 km (0.068 R)
• M6: 8,555,652 km (0.084 R)
• M7: 9,112,605 km (0.104 R)
• M8: 10,016,176 km (0.053 R)
• M9: 10,928,872 km (0.052 R)
• M10: 12,918,674 km (0.08 R)
• M11: 18,081,745 km (0.066 R)
• M12: 18,784,107 km (0.071 R)
• M13: 20,393,182 km (0.1 R)
• M14: 24,814,248 km (0.112 R)
• M15: 28,780,835 km (0.073 R)
• M16: 29,931,692 km (0.04 R)
• M17: 33,778,750 km (0.091 R)
• M18: 34,843,438 km (0.081 R)
• M19: 37,829,412 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230

Radius: 4.4

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.24 AU - 9.46 AU

Year: 14917 Days

Day: 21.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 22,244,289 km

• M1: 55,202 km (0.038 R)
• M2: 468,690 km (0.083 R)
• M3: 1,215,931 km (0.109 R)
• M4: 1,615,807 km (0.114 R)
• M5: 1,762,113 km (0.119 R)
• M6: 1,901,389 km (0.109 R)
• M7: 2,219,584 km (0.12 R)
• M8: 2,671,369 km (0.105 R)
• M9: 2,940,496 km (0.103 R)
• M10: 4,593,702 km (0.096 R)
• M11: 4,769,330 km (0.11 R)
• M12: 6,304,802 km (0.093 R)
• M13: 6,669,522 km (0.118 R)
• M14: 8,486,687 km (0.076 R)
• M15: 10,458,088 km (0.076 R)
• M16: 11,442,442 km (0.063 R)
• M17: 12,600,629 km (0.113 R)
• M18: 13,061,689 km (0.058 R)
• M19: 13,653,648 km (0.096 R)
• M20: 15,276,486 km (0.092 R)
• M21: 18,381,240 km (0.098 R)
• M22: 20,432,676 km (0.099 R)
• M23: 20,908,397 km (0.072 R)
• M24: 24,714,466 km (0.1 R)
• M25: 24,893,534 km (0.061 R)
• M26: 25,710,339 km (0.108 R)
• M27: 37,064,967 km (0.094 R)
• M28: 37,890,897 km (0.106 R)
• M29: 39,824,599 km (0.063 R)
• M30: 43,365,132 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.6

Radius: 5.6

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.53 AU - 9.95 AU

Year: 16043 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,244,289 km

• M1: 165,605 km (0.06 R)
• M2: 364,869 km (0.107 R)
• M3: 3,881,018 km (0.054 R)
• M4: 7,197,004 km (0.116 R)
• M5: 8,519,898 km (0.096 R)
• M6: 9,727,153 km (0.063 R)
• M7: 12,162,307 km (0.082 R)
• M8: 15,754,900 km (0.108 R)
• M9: 21,132,494 km (0.069 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 15,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit