🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.48 AU - 0.78 AU

Year: 187 Days

Day: 45.6 Hours

Environment

Temp: 156 °C

Axial Tilt: 2.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 38,500,781 km

• M1: 308,620 km (0.032 R)
• M2: 489,035 km (0.086 R)

Asteroid Belt

Center: 0.99 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.29 AU - 1.39 AU

Year: 581 Days

Day: 33.6 Hours

Environment

Temp: -23 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.3 AU - 1.82 AU

Year: 730 Days

Day: 47.7 Hours

Environment

Temp: -51 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.41 AU - 2.13 AU

Year: 882 Days

Day: 25.6 Hours

Environment

Temp: -64 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,500,781 km

• M1: 151,991 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.5

Radius: 10.3

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.66 AU - 4.68 AU

Year: 3782 Days

Day: 5.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,500,781 km

• M1: 128,056 km (0.113 R)
• M2: 475,572 km (0.11 R)
• M3: 1,034,619 km (0.09 R)
• M4: 2,246,511 km (0.09 R)
• M5: 3,036,089 km (0.112 R)
• M6: 3,485,331 km (0.042 R)
• M7: 4,253,965 km (0.078 R)
• M8: 4,616,441 km (0.04 R)
• M9: 4,947,202 km (0.063 R)
• M10: 5,829,679 km (0.103 R)
• M11: 6,558,071 km (0.117 R)
• M12: 8,085,915 km (0.11 R)
• M13: 8,492,970 km (0.11 R)
• M14: 9,030,775 km (0.118 R)
• M15: 9,591,318 km (0.119 R)
• M16: 11,784,123 km (0.036 R)
• M17: 12,997,362 km (0.052 R)
• M18: 13,660,230 km (0.103 R)
• M19: 14,185,468 km (0.102 R)
• M20: 16,188,135 km (0.063 R)
• M21: 16,539,391 km (0.101 R)
• M22: 18,626,880 km (0.091 R)
• M23: 19,535,388 km (0.084 R)
• M24: 22,875,459 km (0.111 R)
• M25: 24,068,502 km (0.119 R)
• M26: 25,617,588 km (0.12 R)
• M27: 28,148,485 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.8

Radius: 13.7

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.45 AU - 6.99 AU

Year: 5813 Days

Day: 12.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,500,781 km

• M1: 170,542 km (0.117 R)
• M2: 700,417 km (0.112 R)
• M3: 1,385,725 km (0.085 R)
• M4: 2,270,596 km (0.059 R)
• M5: 2,755,892 km (0.098 R)
• M6: 3,253,903 km (0.061 R)
• M7: 4,672,091 km (0.099 R)
• M8: 5,630,116 km (0.117 R)
• M9: 6,408,922 km (0.109 R)
• M10: 8,289,218 km (0.025 R)
• M11: 9,220,914 km (0.102 R)
• M12: 10,097,407 km (0.105 R)
• M13: 13,608,170 km (0.093 R)
• M14: 16,111,840 km (0.112 R)
• M15: 18,596,811 km (0.07 R)
• M16: 19,224,224 km (0.11 R)
• M17: 19,671,671 km (0.073 R)
• M18: 23,289,845 km (0.106 R)
• M19: 25,217,563 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.4

Radius: 11.6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 9.24 AU - 12.78 AU

Year: 13690 Days

Day: 12.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,500,781 km

• M1: 144,212 km (0.097 R)
• M2: 674,537 km (0.032 R)
• M3: 1,139,038 km (0.098 R)
• M4: 2,215,844 km (0.112 R)
• M5: 2,807,204 km (0.095 R)
• M6: 4,101,226 km (0.028 R)
• M7: 6,050,785 km (0.087 R)
• M8: 7,210,318 km (0.086 R)
• M9: 7,744,831 km (0.059 R)
• M10: 9,285,689 km (0.098 R)
• M11: 10,581,057 km (0.093 R)
• M12: 11,993,261 km (0.095 R)
• M13: 12,909,847 km (0.083 R)
• M14: 13,756,721 km (0.09 R)
• M15: 16,520,841 km (0.092 R)
• M16: 17,115,193 km (0.041 R)
• M17: 19,930,476 km (0.111 R)
• M18: 22,878,302 km (0.036 R)
• M19: 27,093,371 km (0.117 R)
• M20: 28,386,645 km (0.11 R)
• M21: 29,431,436 km (0.11 R)
• M22: 33,762,444 km (0.092 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 13,877 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit