🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.58 AU - 0.6 AU

Year: 293 Days

Day: 34.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,802,535 km

• M1: 193,879 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.7

Radius: 12.3

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.87 AU - 1.05 AU

Year: 607 Days

Day: 6.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,802,535 km

• M1: 153,338 km (0.106 R)
• M2: 665,262 km (0.089 R)
• M3: 1,138,589 km (0.08 R)
• M4: 1,830,629 km (0.118 R)
• M5: 2,348,387 km (0.097 R)
• M6: 2,915,812 km (0.092 R)
• M7: 3,400,210 km (0.096 R)
• M8: 3,866,058 km (0.078 R)
• M9: 4,327,717 km (0.119 R)
• M10: 5,453,291 km (0.101 R)
• M11: 6,114,364 km (0.105 R)
• M12: 7,042,170 km (0.119 R)
• M13: 7,438,605 km (0.115 R)
• M14: 7,873,336 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.6

Radius: 14.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.53 AU - 1.99 AU

Year: 1508 Days

Day: 11.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,802,535 km

• M1: 184,155 km (0.073 R)
• M2: 932,294 km (0.052 R)
• M3: 1,441,226 km (0.12 R)
• M4: 2,450,114 km (0.105 R)
• M5: 2,916,261 km (0.091 R)
• M6: 3,410,682 km (0.072 R)
• M7: 3,978,855 km (0.051 R)
• M8: 4,728,190 km (0.077 R)
• M9: 5,592,716 km (0.107 R)
• M10: 7,472,414 km (0.095 R)
• M11: 8,859,186 km (0.101 R)
• M12: 9,743,908 km (0.076 R)
• M13: 12,328,959 km (0.095 R)
• M14: 14,260,267 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.4

Radius: 13.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.94 AU - 2.3 AU

Year: 1993 Days

Day: 13.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,802,535 km

• M1: 170,392 km (0.108 R)
• M2: 623,823 km (0.103 R)
• M3: 1,172,548 km (0.067 R)
• M4: 2,277,777 km (0.109 R)
• M5: 2,770,253 km (0.093 R)
• M6: 4,137,279 km (0.108 R)
• M7: 4,755,567 km (0.118 R)
• M8: 5,237,421 km (0.108 R)
• M9: 6,988,315 km (0.119 R)
• M10: 7,557,684 km (0.062 R)
• M11: 8,484,892 km (0.113 R)
• M12: 9,133,698 km (0.052 R)
• M13: 9,848,776 km (0.093 R)
• M14: 10,461,230 km (0.075 R)
• M15: 11,207,872 km (0.071 R)
• M16: 12,142,710 km (0.119 R)
• M17: 12,927,650 km (0.069 R)
• M18: 14,040,508 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.4

Radius: 12

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.03 AU - 6.53 AU

Year: 7834 Days

Day: 8 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,802,535 km

• M1: 149,299 km (0.118 R)
• M2: 1,044,343 km (0.103 R)
• M3: 1,455,737 km (0.088 R)
• M4: 1,888,224 km (0.117 R)
• M5: 2,451,760 km (0.113 R)
• M6: 2,933,315 km (0.085 R)
• M7: 3,961,202 km (0.096 R)
• M8: 4,965,004 km (0.075 R)
• M9: 5,660,634 km (0.115 R)
• M10: 6,390,821 km (0.06 R)
• M11: 8,004,982 km (0.069 R)
• M12: 8,492,222 km (0.071 R)
• M13: 9,147,760 km (0.099 R)
• M14: 11,799,382 km (0.119 R)
• M15: 12,849,560 km (0.111 R)

Asteroid Belt

Center: 6.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.8

Radius: 7.2

Gravity: 15.41 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.27 AU - 8.43 AU

Year: 15579 Days

Day: 22.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,802,535 km

• M1: 89,609 km (0.109 R)
• M2: 440,117 km (0.064 R)
• M3: 753,225 km (0.08 R)
• M4: 1,279,660 km (0.025 R)
• M5: 1,827,936 km (0.085 R)
• M6: 2,329,239 km (0.103 R)
• M7: 2,894,270 km (0.033 R)
• M8: 3,118,966 km (0.105 R)
• M9: 5,548,735 km (0.118 R)
• M10: 6,056,470 km (0.078 R)
• M11: 6,985,921 km (0.079 R)
• M12: 7,346,452 km (0.109 R)
• M13: 9,446,657 km (0.102 R)
• M14: 10,056,717 km (0.077 R)
• M15: 11,355,226 km (0.111 R)
• M16: 13,232,979 km (0.087 R)
• M17: 15,158,752 km (0.079 R)
• M18: 16,462,797 km (0.119 R)
• M19: 17,674,240 km (0.094 R)
• M20: 18,685,223 km (0.102 R)
• M21: 19,556,780 km (0.09 R)
• M22: 22,430,705 km (0.106 R)
• M23: 23,614,921 km (0.034 R)
• M24: 27,639,852 km (0.09 R)
• M25: 29,931,392 km (0.074 R)
• M26: 35,019,216 km (0.076 R)
• M27: 36,342,260 km (0.054 R)
• M28: 44,066,596 km (0.111 R)
• M29: 46,866,171 km (0.077 R)
• M30: 48,471,655 km (0.113 R)
• M31: 55,616,000 km (0.093 R)
• M32: 62,464,591 km (0.103 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 10,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit