🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.54 AU - 0.8 AU

Year: 230 Days

Day: 29 Hours

Environment

Temp: 14 °C

Axial Tilt: 5.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 76,975,690 km

• M1: 110,254 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.72 AU - 1.04 AU

Year: 346 Days

Day: 33.7 Hours

Environment

Temp: -38 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,975,690 km

• M1: 568,771 km (0.053 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.07 AU - 1.21 AU

Year: 510 Days

Day: 26.7 Hours

Environment

Temp: -54 °C

Axial Tilt: 100.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.68 AU - 1.98 AU

Year: 1037 Days

Day: 13.2 Hours

Environment

Temp: -104 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,975,690 km

• M1: 73,004 km (0.106 R)
• M2: 581,188 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211

Radius: 14.4

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.54 AU - 8.1 AU

Year: 8298 Days

Day: 12.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,975,690 km

• M1: 180,265 km (0.108 R)
• M2: 1,075,459 km (0.057 R)
• M3: 1,916,498 km (0.032 R)
• M4: 2,437,548 km (0.054 R)
• M5: 4,384,115 km (0.102 R)
• M6: 8,197,963 km (0.059 R)
• M7: 11,457,851 km (0.117 R)
• M8: 13,248,387 km (0.098 R)
• M9: 14,025,100 km (0.101 R)
• M10: 23,174,954 km (0.03 R)
• M11: 24,226,777 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.2

Radius: 11.7

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.69 AU - 9.05 AU

Year: 8383 Days

Day: 9.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,975,690 km

• M1: 145,559 km (0.099 R)
• M2: 561,142 km (0.103 R)
• M3: 1,216,679 km (0.112 R)
• M4: 1,606,232 km (0.069 R)
• M5: 2,002,667 km (0.084 R)
• M6: 3,018,885 km (0.088 R)
• M7: 3,845,114 km (0.076 R)
• M8: 4,377,682 km (0.097 R)
• M9: 4,844,428 km (0.063 R)
• M10: 5,943,673 km (0.07 R)
• M11: 6,344,894 km (0.066 R)
• M12: 7,697,858 km (0.1 R)
• M13: 8,094,591 km (0.034 R)
• M14: 10,052,079 km (0.096 R)
• M15: 11,623,904 km (0.073 R)
• M16: 12,850,906 km (0.111 R)
• M17: 14,044,846 km (0.088 R)
• M18: 14,578,612 km (0.113 R)
• M19: 15,311,192 km (0.067 R)
• M20: 15,940,401 km (0.052 R)
• M21: 16,391,139 km (0.113 R)
• M22: 16,850,255 km (0.056 R)
• M23: 17,521,052 km (0.073 R)
• M24: 22,725,712 km (0.067 R)
• M25: 24,214,061 km (0.075 R)
• M26: 26,298,408 km (0.09 R)
• M27: 30,327,228 km (0.118 R)
• M28: 31,219,729 km (0.057 R)
• M29: 32,539,781 km (0.091 R)
• M30: 32,953,269 km (0.113 R)
• M31: 37,058,833 km (0.111 R)
• M32: 38,423,016 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.2

Radius: 5.2

Gravity: 24.67 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 12.15 AU - 14.71 AU

Year: 20620 Days

Day: 16.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,975,690 km

• M1: 64,776 km (0.079 R)
• M2: 379,679 km (0.052 R)
• M3: 807,978 km (0.117 R)
• M4: 1,195,736 km (0.029 R)
• M5: 1,416,393 km (0.087 R)
• M6: 2,704,879 km (0.04 R)
• M7: 4,557,050 km (0.085 R)
• M8: 5,288,285 km (0.091 R)
• M9: 5,681,877 km (0.089 R)
• M10: 6,395,459 km (0.116 R)
• M11: 9,280,454 km (0.112 R)
• M12: 10,267,051 km (0.059 R)
• M13: 11,710,521 km (0.073 R)
• M14: 12,652,539 km (0.047 R)
• M15: 14,010,289 km (0.074 R)
• M16: 14,233,190 km (0.112 R)
• M17: 14,610,027 km (0.075 R)
• M18: 16,347,457 km (0.066 R)
• M19: 16,594,593 km (0.089 R)
• M20: 20,226,380 km (0.1 R)
• M21: 21,578,745 km (0.107 R)
• M22: 23,300,317 km (0.095 R)
• M23: 25,440,614 km (0.08 R)
• M24: 25,772,572 km (0.091 R)
• M25: 28,532,951 km (0.095 R)
• M26: 32,381,955 km (0.099 R)
• M27: 37,697,467 km (0.051 R)
• M28: 38,855,354 km (0.112 R)
• M29: 41,241,889 km (0.086 R)
• M30: 41,546,919 km (0.084 R)
• M31: 46,140,322 km (0.104 R)
• M32: 47,631,812 km (0.118 R)
• M33: 54,834,651 km (0.056 R)
• M34: 60,936,149 km (0.106 R)
• M35: 66,214,710 km (0.107 R)
• M36: 69,826,003 km (0.037 R)
• M37: 70,476,604 km (0.077 R)
• M38: 73,119,550 km (0.072 R)
• M39: 74,917,716 km (0.059 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: 475 - 12,028 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit