🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.59 AU - 0.91 AU

Year: 233 Days

Day: 27.2 Hours

Environment

Temp: 126 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,011,392 km

• M1: 43,683 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.01 AU - 1.23 AU

Year: 425 Days

Day: 17.3 Hours

Environment

Temp: 17 °C

Axial Tilt: 35 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 81,011,392 km

• M1: 327,470 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.5 AU - 2.66 AU

Year: 1484 Days

Day: 14.1 Hours

Environment

Temp: -83 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,011,392 km

• M1: 342,579 km (0.119 R)

Asteroid Belt

Center: 4.09 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.6

Radius: 8

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.18 AU - 6 AU

Year: 4734 Days

Day: 8.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,011,392 km

• M1: 105,018 km (0.089 R)
• M2: 356,342 km (0.115 R)
• M3: 2,517,583 km (0.099 R)
• M4: 3,669,037 km (0.11 R)
• M5: 3,923,204 km (0.113 R)
• M6: 4,646,959 km (0.08 R)
• M7: 5,157,387 km (0.086 R)
• M8: 5,497,572 km (0.04 R)
• M9: 6,632,272 km (0.101 R)
• M10: 7,915,523 km (0.097 R)
• M11: 8,755,215 km (0.05 R)
• M12: 10,803,210 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.4

Radius: 11.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.36 AU - 7.2 AU

Year: 4977 Days

Day: 9.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,011,392 km

• M1: 148,102 km (0.118 R)
• M2: 660,774 km (0.076 R)
• M3: 1,035,816 km (0.044 R)
• M4: 2,182,184 km (0.094 R)
• M5: 3,391,833 km (0.088 R)
• M6: 3,926,645 km (0.061 R)
• M7: 4,346,117 km (0.082 R)
• M8: 5,528,090 km (0.108 R)
• M9: 6,748,958 km (0.057 R)
• M10: 7,776,845 km (0.038 R)
• M11: 8,404,109 km (0.073 R)
• M12: 9,970,997 km (0.026 R)
• M13: 11,582,765 km (0.083 R)
• M14: 13,361,783 km (0.086 R)
• M15: 17,704,160 km (0.12 R)
• M16: 19,650,877 km (0.064 R)
• M17: 22,610,372 km (0.1 R)
• M18: 23,432,113 km (0.09 R)
• M19: 27,336,318 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.1

Radius: 5.6

Gravity: 21.08 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 13.65 AU - 17.83 AU

Year: 22366 Days

Day: 17 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,011,392 km

• M1: 69,713 km (0.117 R)
• M2: 247,435 km (0.098 R)
• M3: 598,990 km (0.086 R)
• M4: 1,593,068 km (0.082 R)
• M5: 1,846,487 km (0.115 R)
• M6: 2,527,905 km (0.113 R)
• M7: 3,480,843 km (0.113 R)
• M8: 4,270,122 km (0.107 R)
• M9: 4,797,604 km (0.066 R)
• M10: 5,526,594 km (0.056 R)
• M11: 6,195,895 km (0.105 R)
• M12: 7,106,647 km (0.065 R)
• M13: 8,473,223 km (0.115 R)
• M14: 9,592,365 km (0.073 R)
• M15: 10,743,670 km (0.095 R)
• M16: 12,051,904 km (0.074 R)
• M17: 13,906,917 km (0.08 R)
• M18: 14,513,985 km (0.104 R)
• M19: 14,824,102 km (0.06 R)
• M20: 16,778,000 km (0.076 R)
• M21: 20,696,865 km (0.092 R)
• M22: 22,504,157 km (0.102 R)
• M23: 23,024,159 km (0.029 R)
• M24: 24,963,097 km (0.105 R)
• M25: 26,891,564 km (0.113 R)
• M26: 28,431,823 km (0.117 R)
• M27: 28,795,496 km (0.114 R)
• M28: 30,407,114 km (0.113 R)
• M29: 34,353,655 km (0.108 R)
• M30: 38,186,053 km (0.103 R)
• M31: 39,374,010 km (0.094 R)
• M32: 40,280,872 km (0.104 R)
• M33: 44,698,348 km (0.061 R)
• M34: 47,702,273 km (0.075 R)
• M35: 54,666,951 km (0.101 R)
• M36: 61,670,226 km (0.077 R)
• M37: 64,547,741 km (0.108 R)
• M38: 75,785,833 km (0.085 R)
• M39: 77,895,462 km (0.052 R)

Kuiper Belt

Range: 30.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 11,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit