🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.56 AU - 0.64 AU

Year: 165 Days

Day: 24.1 Hours

Environment

Temp: 194 °C

Axial Tilt: 35.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.77 AU - 1.13 AU

Year: 328 Days

Day: 17.4 Hours

Environment

Temp: 174 °C

Axial Tilt: 41.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.9 AU - 1.18 AU

Year: 376 Days

Day: 25.9 Hours

Environment

Temp: 162 °C

Axial Tilt: 45.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.09 AU - 1.17 AU

Year: 426 Days

Day: 35 Hours

Environment

Temp: 19 °C

Axial Tilt: 4.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.97 AU - 1.99 AU

Year: 988 Days

Day: 27.2 Hours

Environment

Temp: -63 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.22 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.3

Radius: 11.6

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.89 AU - 8.03 AU

Year: 5825 Days

Day: 8.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,637,630 km

• M1: 144,661 km (0.087 R)
• M2: 771,775 km (0.115 R)
• M3: 1,469,649 km (0.078 R)
• M4: 2,302,461 km (0.084 R)
• M5: 2,936,008 km (0.095 R)
• M6: 3,498,645 km (0.038 R)
• M7: 8,020,391 km (0.056 R)
• M8: 14,088,379 km (0.12 R)
• M9: 14,466,114 km (0.105 R)
• M10: 16,045,120 km (0.041 R)
• M11: 16,561,382 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.6

Radius: 12.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 10.36 AU - 10.74 AU

Year: 12157 Days

Day: 12.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,637,630 km

• M1: 156,779 km (0.058 R)
• M2: 562,039 km (0.026 R)
• M3: 2,072,828 km (0.101 R)
• M4: 2,985,525 km (0.101 R)
• M5: 3,448,381 km (0.102 R)
• M6: 4,261,445 km (0.106 R)
• M7: 6,993,102 km (0.118 R)
• M8: 7,604,359 km (0.119 R)
• M9: 8,656,331 km (0.064 R)
• M10: 9,075,056 km (0.069 R)
• M11: 10,887,284 km (0.081 R)
• M12: 14,361,695 km (0.07 R)
• M13: 15,622,057 km (0.116 R)
• M14: 16,668,344 km (0.115 R)
• M15: 17,835,058 km (0.117 R)
• M16: 18,745,361 km (0.064 R)
• M17: 19,686,481 km (0.102 R)
• M18: 20,412,629 km (0.1 R)
• M19: 22,004,500 km (0.091 R)
• M20: 23,408,028 km (0.079 R)
• M21: 24,591,646 km (0.117 R)
• M22: 25,245,239 km (0.118 R)
• M23: 29,413,185 km (0.105 R)
• M24: 32,657,215 km (0.099 R)
• M25: 34,481,262 km (0.079 R)
• M26: 36,132,374 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.3

Radius: 8

Gravity: 11.41 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 15.55 AU - 16.09 AU

Year: 22323 Days

Day: 23.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,637,630 km

• M1: 107,112 km (0.112 R)
• M2: 422,764 km (0.075 R)
• M3: 1,183,618 km (0.095 R)
• M4: 2,423,336 km (0.109 R)
• M5: 3,997,106 km (0.09 R)
• M6: 5,093,060 km (0.096 R)
• M7: 7,460,895 km (0.073 R)
• M8: 7,813,796 km (0.09 R)
• M9: 9,223,158 km (0.059 R)
• M10: 9,867,625 km (0.061 R)
• M11: 11,377,666 km (0.1 R)
• M12: 12,118,774 km (0.044 R)
• M13: 12,466,140 km (0.057 R)
• M14: 14,150,313 km (0.054 R)
• M15: 15,407,833 km (0.117 R)
• M16: 16,483,292 km (0.109 R)
• M17: 16,823,926 km (0.117 R)
• M18: 18,507,052 km (0.06 R)
• M19: 19,626,044 km (0.116 R)
• M20: 20,105,505 km (0.061 R)
• M21: 21,388,307 km (0.114 R)
• M22: 22,515,826 km (0.091 R)
• M23: 24,777,297 km (0.107 R)
• M24: 26,598,950 km (0.06 R)
• M25: 30,506,895 km (0.048 R)
• M26: 30,763,157 km (0.091 R)
• M27: 32,597,226 km (0.087 R)
• M28: 33,677,473 km (0.115 R)
• M29: 37,646,155 km (0.111 R)
• M30: 48,559,469 km (0.12 R)
• M31: 52,864,596 km (0.107 R)
• M32: 53,792,402 km (0.093 R)
• M33: 62,430,931 km (0.12 R)
• M34: 64,726,361 km (0.107 R)
• M35: 65,362,002 km (0.108 R)
• M36: 69,706,624 km (0.084 R)
• M37: 77,052,029 km (0.095 R)
• M38: 78,244,474 km (0.116 R)
• M39: 82,887,991 km (0.092 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 12,650 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit