🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.49 AU - 0.73 AU

Year: 173 Days

Day: 34.2 Hours

Environment

Temp: 176 °C

Axial Tilt: 36.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 97,880,685 km

• M1: 264,938 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.12 AU - 2.2 AU

Year: 1154 Days

Day: 31.6 Hours

Environment

Temp: -79 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.31 AU - 3.65 AU

Year: 1870 Days

Day: 35.4 Hours

Environment

Temp: -102 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,880,685 km

• M1: 998,715 km (0.119 R)

Asteroid Belt

Center: 4.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.7

Radius: 11.8

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.45 AU - 7.57 AU

Year: 6037 Days

Day: 6.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 97,880,685 km

• M1: 146,905 km (0.086 R)
• M2: 606,470 km (0.107 R)
• M3: 2,126,683 km (0.101 R)
• M4: 4,570,514 km (0.051 R)
• M5: 5,629,218 km (0.052 R)
• M6: 6,563,906 km (0.101 R)
• M7: 7,667,340 km (0.092 R)
• M8: 8,554,754 km (0.117 R)
• M9: 11,226,722 km (0.063 R)
• M10: 14,835,471 km (0.065 R)
• M11: 15,376,118 km (0.08 R)
• M12: 17,671,248 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.5

Radius: 14

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.76 AU - 10.62 AU

Year: 9310 Days

Day: 7.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 97,880,685 km

• M1: 198,068 km (0.118 R)
• M2: 867,368 km (0.082 R)
• M3: 2,346,293 km (0.109 R)
• M4: 2,927,032 km (0.046 R)
• M5: 3,567,610 km (0.11 R)
• M6: 4,504,093 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.2

Radius: 3.9

Gravity: 59.51 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 14.33 AU - 19.59 AU

Year: 25384 Days

Day: 19.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 97,880,685 km

• M1: 56,847 km (0.06 R)
• M2: 359,334 km (0.102 R)
• M3: 600,187 km (0.07 R)
• M4: 796,459 km (0.113 R)
• M5: 928,853 km (0.089 R)
• M6: 1,061,995 km (0.038 R)
• M7: 2,127,880 km (0.096 R)
• M8: 2,385,488 km (0.104 R)
• M9: 2,585,650 km (0.068 R)
• M10: 4,924,014 km (0.074 R)
• M11: 7,935,868 km (0.11 R)
• M12: 9,633,355 km (0.093 R)
• M13: 10,012,436 km (0.099 R)
• M14: 11,003,821 km (0.104 R)
• M15: 12,277,497 km (0.08 R)
• M16: 12,798,397 km (0.053 R)
• M17: 13,489,539 km (0.095 R)
• M18: 15,368,189 km (0.041 R)
• M19: 17,045,929 km (0.113 R)
• M20: 17,693,688 km (0.086 R)
• M21: 21,712,934 km (0.103 R)
• M22: 22,254,478 km (0.115 R)
• M23: 22,583,743 km (0.091 R)
• M24: 24,048,157 km (0.073 R)
• M25: 26,668,364 km (0.077 R)
• M26: 30,270,381 km (0.052 R)
• M27: 40,014,738 km (0.061 R)
• M28: 42,487,890 km (0.076 R)
• M29: 42,825,233 km (0.05 R)
• M30: 43,334,464 km (0.105 R)
• M31: 50,326,668 km (0.055 R)
• M32: 51,464,959 km (0.054 R)
• M33: 52,040,462 km (0.099 R)
• M34: 56,190,157 km (0.114 R)
• M35: 56,596,465 km (0.116 R)
• M36: 57,004,717 km (0.068 R)
• M37: 57,209,667 km (0.059 R)
• M38: 62,058,433 km (0.063 R)
• M39: 87,146,295 km (0.073 R)
• M40: 90,168,321 km (0.117 R)
• M41: 90,446,424 km (0.101 R)
• M42: 97,880,690 km (0.048 R)

Kuiper Belt

Range: 30.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 14,218 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit