🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.56 AU - 0.72 AU

Year: 192 Days

Day: 35.2 Hours

Environment

Temp: 206 °C

Axial Tilt: 46.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,616,067 km

• M1: 306,227 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.77 AU - 1.05 AU

Year: 325 Days

Day: 22 Hours

Environment

Temp: 29 °C

Axial Tilt: 4.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.85 AU - 1.25 AU

Year: 403 Days

Day: 32 Hours

Environment

Temp: 19 °C

Axial Tilt: 7.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.95 AU - 1.43 AU

Year: 486 Days

Day: 35 Hours

Environment

Temp: 11 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.26 AU - 1.7 AU

Year: 675 Days

Day: 39.5 Hours

Environment

Temp: -52 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.16 AU - 2.4 AU

Year: 1290 Days

Day: 39.5 Hours

Environment

Temp: -86 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.06 AU - 3.44 AU

Year: 1709 Days

Day: 40.4 Hours

Environment

Temp: -93 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,616,067 km

• M1: 387,758 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.4

Radius: 10.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.1 AU - 9.94 AU

Year: 9319 Days

Day: 5.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 38,616,067 km

• M1: 179,966 km (0.065 R)
• M2: 315,801 km (0.069 R)
• M3: 631,901 km (0.094 R)
• M4: 701,165 km (0.072 R)
• M5: 788,082 km (0.053 R)
• M6: 941,719 km (0.106 R)
• M7: 1,316,162 km (0.1 R)
• M8: 1,482,365 km (0.116 R)
• M9: 1,616,704 km (0.078 R)
• M10: 2,086,890 km (0.051 R)
• M11: 2,348,687 km (0.099 R)
• M12: 2,461,035 km (0.076 R)
• M13: 2,880,507 km (0.098 R)
• M14: 3,123,304 km (0.103 R)
• M15: 3,525,872 km (0.04 R)
• M16: 4,463,402 km (0.088 R)
• M17: 5,207,651 km (0.099 R)
• M18: 5,325,684 km (0.084 R)
• M19: 5,775,974 km (0.069 R)
• M20: 6,051,982 km (0.102 R)
• M21: 6,427,024 km (0.083 R)
• M22: 7,068,649 km (0.081 R)
• M23: 7,563,369 km (0.099 R)
• M24: 7,798,088 km (0.116 R)
• M25: 8,725,894 km (0.092 R)
• M26: 8,796,056 km (0.109 R)
• M27: 9,185,160 km (0.053 R)
• M28: 9,363,929 km (0.107 R)
• M29: 9,579,799 km (0.114 R)
• M30: 9,833,966 km (0.056 R)
• M31: 10,460,332 km (0.116 R)
• M32: 10,872,474 km (0.111 R)
• M33: 11,023,717 km (0.027 R)
• M34: 11,213,856 km (0.081 R)
• M35: 12,337,187 km (0.117 R)
• M36: 12,972,379 km (0.113 R)
• M37: 13,173,140 km (0.096 R)
• M38: 13,536,962 km (0.09 R)
• M39: 13,618,193 km (0.093 R)
• M40: 13,781,255 km (0.05 R)
• M41: 15,320,468 km (0.061 R)
• M42: 15,532,747 km (0.075 R)
• M43: 16,521,290 km (0.099 R)
• M44: 16,738,805 km (0.073 R)
• M45: 16,869,853 km (0.103 R)
• M46: 19,012,244 km (0.077 R)
• M47: 19,148,976 km (0.074 R)
• M48: 19,240,381 km (0.074 R)
• M49: 20,115,229 km (0.078 R)
• M50: 20,394,229 km (0.068 R)
• M51: 20,487,578 km (0.075 R)
• M52: 20,862,171 km (0.112 R)
• M53: 21,097,339 km (0.037 R)
• M54: 21,618,089 km (0.114 R)
• M55: 22,190,899 km (0.057 R)
• M56: 22,334,962 km (0.101 R)
• M57: 22,479,174 km (0.099 R)
• M58: 22,575,665 km (0.107 R)
• M59: 22,672,156 km (0.06 R)
• M60: 22,865,586 km (0.099 R)
• M61: 23,693,909 km (0.061 R)
• M62: 24,531,956 km (0.117 R)
• M63: 24,680,806 km (0.07 R)
• M64: 25,731,582 km (0.055 R)
• M65: 26,034,517 km (0.098 R)
• M66: 26,440,227 km (0.075 R)
• M67: 27,669,921 km (0.098 R)
• M68: 27,980,337 km (0.11 R)
• M69: 28,447,980 km (0.081 R)
• M70: 28,813,597 km (0.09 R)
• M71: 28,970,675 km (0.057 R)
• M72: 29,233,219 km (0.098 R)
• M73: 29,549,319 km (0.09 R)
• M74: 30,184,811 km (0.1 R)
• M75: 30,397,689 km (0.068 R)
• M76: 30,664,572 km (0.036 R)
• M77: 31,361,847 km (0.111 R)
• M78: 32,118,513 km (0.074 R)
• M79: 32,881,313 km (0.116 R)
• M80: 33,319,934 km (0.099 R)
• M81: 34,870,067 km (0.03 R)
• M82: 35,261,265 km (0.08 R)
• M83: 35,541,612 km (0.089 R)
• M84: 36,386,989 km (0.091 R)
• M85: 36,613,630 km (0.114 R)
• M86: 37,524,531 km (0.11 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 15,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit