🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.46 AU - 0.68 AU

Year: 162 Days

Day: 38.9 Hours

Environment

Temp: 203 °C

Axial Tilt: 5.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,357,868 km

• M1: 68,815 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.72 AU - 1.12 AU

Year: 332 Days

Day: 14 Hours

Environment

Temp: 32 °C

Axial Tilt: 31.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.32 AU - 2.14 AU

Year: 857 Days

Day: 39.6 Hours

Environment

Temp: -63 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.1 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.4

Radius: 13.3

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.99 AU - 4.93 AU

Year: 3548 Days

Day: 14 Hours

Environment

Temp: -129 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,357,868 km

• M1: 174,581 km (0.045 R)
• M2: 693,237 km (0.105 R)
• M3: 1,682,527 km (0.115 R)
• M4: 2,286,903 km (0.091 R)
• M5: 3,106,400 km (0.114 R)
• M6: 4,832,310 km (0.111 R)
• M7: 5,435,788 km (0.113 R)
• M8: 5,858,103 km (0.084 R)
• M9: 7,050,099 km (0.105 R)
• M10: 8,397,826 km (0.102 R)
• M11: 9,117,541 km (0.072 R)
• M12: 12,877,684 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.7

Radius: 13

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.23 AU - 6.25 AU

Year: 5181 Days

Day: 7.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,357,868 km

• M1: 161,715 km (0.088 R)
• M2: 739,013 km (0.11 R)
• M3: 1,346,530 km (0.109 R)
• M4: 2,220,332 km (0.04 R)
• M5: 3,004,823 km (0.068 R)
• M6: 3,501,338 km (0.086 R)
• M7: 4,073,849 km (0.104 R)
• M8: 4,590,261 km (0.12 R)
• M9: 5,486,801 km (0.108 R)
• M10: 5,893,558 km (0.074 R)
• M11: 6,586,345 km (0.047 R)
• M12: 7,365,302 km (0.09 R)
• M13: 8,847,966 km (0.076 R)
• M14: 10,275,728 km (0.105 R)
• M15: 12,031,708 km (0.11 R)
• M16: 15,966,132 km (0.101 R)
• M17: 17,720,765 km (0.081 R)
• M18: 19,350,784 km (0.106 R)
• M19: 20,234,309 km (0.097 R)
• M20: 21,946,456 km (0.046 R)
• M21: 23,539,823 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.3

Radius: 10.3

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.94 AU - 6.64 AU

Year: 5943 Days

Day: 14.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,357,868 km

• M1: 128,056 km (0.051 R)
• M2: 582,833 km (0.105 R)
• M3: 983,157 km (0.096 R)
• M4: 1,402,929 km (0.094 R)
• M5: 2,073,576 km (0.118 R)
• M6: 5,086,926 km (0.083 R)
• M7: 7,503,979 km (0.105 R)
• M8: 8,982,903 km (0.118 R)
• M9: 9,359,890 km (0.119 R)
• M10: 10,601,104 km (0.109 R)
• M11: 12,150,339 km (0.057 R)
• M12: 15,393,471 km (0.087 R)
• M13: 17,374,297 km (0.049 R)
• M14: 17,698,475 km (0.073 R)
• M15: 18,425,820 km (0.081 R)
• M16: 22,365,330 km (0.079 R)
• M17: 22,903,883 km (0.112 R)
• M18: 23,372,423 km (0.073 R)
• M19: 23,767,661 km (0.081 R)
• M20: 27,092,623 km (0.092 R)
• M21: 31,285,552 km (0.083 R)
• M22: 33,236,458 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.7

Radius: 11.9

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7 AU - 7.82 AU

Year: 7599 Days

Day: 5.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,357,868 km

• M1: 148,551 km (0.104 R)
• M2: 577,149 km (0.105 R)
• M3: 977,472 km (0.12 R)
• M4: 1,390,961 km (0.113 R)
• M5: 2,279,423 km (0.079 R)
• M6: 2,754,845 km (0.117 R)
• M7: 4,028,671 km (0.118 R)
• M8: 5,569,379 km (0.108 R)
• M9: 6,205,320 km (0.108 R)
• M10: 9,684,817 km (0.047 R)
• M11: 10,510,896 km (0.08 R)
• M12: 11,483,432 km (0.061 R)
• M13: 11,888,842 km (0.119 R)
• M14: 13,162,668 km (0.12 R)
• M15: 14,702,479 km (0.102 R)
• M16: 16,486,583 km (0.111 R)
• M17: 17,068,519 km (0.103 R)
• M18: 18,273,380 km (0.113 R)
• M19: 23,910,228 km (0.039 R)
• M20: 24,823,971 km (0.115 R)
• M21: 30,031,773 km (0.051 R)
• M22: 33,195,768 km (0.07 R)
• M23: 33,812,859 km (0.093 R)
• M24: 35,069,930 km (0.103 R)
• M25: 36,141,050 km (0.103 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 14,116 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit