🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.45 AU - 0.65 AU

Year: 150 Days

Day: 23.7 Hours

Environment

Temp: 225 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.66 AU - 0.94 AU

Year: 264 Days

Day: 22.1 Hours

Environment

Temp: 159 °C

Axial Tilt: 58 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 112,811,837 km

• M1: 64,477 km (0.114 R)
• M2: 374,443 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.29 AU - 1.39 AU

Year: 572 Days

Day: 23.9 Hours

Environment

Temp: -26 °C

Axial Tilt: 118 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.3 AU - 2.38 AU

Year: 1321 Days

Day: 39.5 Hours

Environment

Temp: -79 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 112,811,837 km

• M1: 696,827 km (0.111 R)

Asteroid Belt

Center: 3.04 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.94 AU - 4.54 AU

Year: 2669 Days

Day: 30.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.9

Radius: 13.4

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.36 AU - 6.06 AU

Year: 4388 Days

Day: 6.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 112,811,837 km

• M1: 166,802 km (0.079 R)
• M2: 641,326 km (0.066 R)
• M3: 1,201,869 km (0.094 R)
• M4: 1,663,528 km (0.097 R)
• M5: 2,139,399 km (0.044 R)
• M6: 2,722,083 km (0.109 R)
• M7: 4,004,286 km (0.094 R)
• M8: 4,712,931 km (0.055 R)
• M9: 5,786,296 km (0.12 R)
• M10: 6,242,420 km (0.102 R)
• M11: 6,927,429 km (0.039 R)
• M12: 7,662,104 km (0.1 R)
• M13: 8,213,521 km (0.052 R)
• M14: 8,722,005 km (0.083 R)
• M15: 9,359,890 km (0.109 R)
• M16: 10,452,852 km (0.065 R)
• M17: 11,091,485 km (0.091 R)
• M18: 12,847,166 km (0.104 R)
• M19: 16,000,390 km (0.118 R)
• M20: 16,795,353 km (0.087 R)
• M21: 20,487,129 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.3

Radius: 3.2

Gravity: 80.11 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 11.88 AU - 15.34 AU

Year: 18525 Days

Day: 21.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 112,811,837 km

• M1: 77,641 km (0.11 R)
• M2: 189,690 km (0.106 R)
• M3: 949,348 km (0.073 R)
• M4: 2,392,968 km (0.101 R)
• M5: 3,003,028 km (0.118 R)
• M6: 3,136,469 km (0.077 R)
• M7: 3,710,326 km (0.094 R)
• M8: 5,367,422 km (0.091 R)
• M9: 8,473,523 km (0.078 R)
• M10: 8,903,168 km (0.085 R)
• M11: 9,123,376 km (0.09 R)
• M12: 10,954,753 km (0.106 R)
• M13: 11,335,479 km (0.089 R)
• M14: 11,529,209 km (0.096 R)
• M15: 12,946,948 km (0.093 R)
• M16: 14,858,061 km (0.093 R)
• M17: 15,167,728 km (0.117 R)
• M18: 15,961,046 km (0.051 R)
• M19: 18,152,206 km (0.107 R)
• M20: 22,708,957 km (0.105 R)
• M21: 29,892,347 km (0.11 R)
• M22: 32,284,417 km (0.029 R)
• M23: 36,736,899 km (0.065 R)
• M24: 48,679,596 km (0.083 R)
• M25: 53,774,002 km (0.12 R)
• M26: 59,795,017 km (0.08 R)
• M27: 59,990,093 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.9

Radius: 6.1

Gravity: 23.49 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 17.7 AU - 21.46 AU

Year: 31967 Days

Day: 22.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 112,811,837 km

• M1: 76,295 km (0.112 R)
• M2: 290,818 km (0.079 R)
• M3: 1,119,890 km (0.078 R)
• M4: 3,839,729 km (0.089 R)
• M5: 4,090,604 km (0.115 R)
• M6: 7,183,241 km (0.094 R)
• M7: 7,959,953 km (0.048 R)
• M8: 10,765,362 km (0.065 R)
• M9: 11,337,873 km (0.05 R)
• M10: 14,942,583 km (0.028 R)
• M11: 16,111,092 km (0.112 R)
• M12: 23,465,772 km (0.104 R)
• M13: 28,941,653 km (0.092 R)
• M14: 33,679,866 km (0.056 R)
• M15: 48,209,410 km (0.081 R)
• M16: 60,880,349 km (0.082 R)
• M17: 65,238,285 km (0.09 R)
• M18: 68,337,055 km (0.104 R)
• M19: 70,291,851 km (0.116 R)
• M20: 71,532,466 km (0.102 R)
• M21: 89,012,079 km (0.114 R)
• M22: 96,732,826 km (0.113 R)
• M23: 98,267,101 km (0.084 R)
• M24: 99,195,356 km (0.06 R)
• M25: 105,857,548 km (0.074 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: 283 - 14,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit