🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.65 AU - 0.99 AU

Year: 284 Days

Day: 47.5 Hours

Environment

Temp: 42 °C

Axial Tilt: 8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.74 AU - 0.94 AU

Year: 295 Days

Day: 12.5 Hours

Environment

Temp: 18 °C

Axial Tilt: 45.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.82 AU - 2.64 AU

Year: 1275 Days

Day: 15.7 Hours

Environment

Temp: -90 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.9

Radius: 13.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.03 AU - 5.93 AU

Year: 4912 Days

Day: 7.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 24,423,182 km

• M1: 169,046 km (0.057 R)
• M2: 264,190 km (0.119 R)
• M3: 365,168 km (0.06 R)
• M4: 468,241 km (0.085 R)
• M5: 650,152 km (0.064 R)
• M6: 778,208 km (0.107 R)
• M7: 935,435 km (0.101 R)
• M8: 1,028,635 km (0.051 R)
• M9: 1,132,306 km (0.109 R)
• M10: 1,434,793 km (0.079 R)
• M11: 1,568,085 km (0.119 R)
• M12: 1,705,715 km (0.086 R)
• M13: 1,856,061 km (0.118 R)
• M14: 1,993,691 km (0.114 R)
• M15: 2,107,984 km (0.095 R)
• M16: 2,315,775 km (0.117 R)
• M17: 2,626,041 km (0.064 R)
• M18: 2,742,279 km (0.072 R)
• M19: 2,830,691 km (0.109 R)
• M20: 3,318,230 km (0.106 R)
• M21: 3,476,206 km (0.106 R)
• M22: 3,604,411 km (0.104 R)
• M23: 3,690,729 km (0.075 R)
• M24: 3,821,478 km (0.102 R)
• M25: 3,931,731 km (0.093 R)
• M26: 4,212,078 km (0.11 R)
• M27: 4,337,441 km (0.032 R)
• M28: 4,733,127 km (0.057 R)
• M29: 5,311,772 km (0.074 R)
• M30: 5,422,773 km (0.096 R)
• M31: 5,572,072 km (0.086 R)
• M32: 5,697,435 km (0.104 R)
• M33: 6,260,671 km (0.045 R)
• M34: 6,601,904 km (0.077 R)
• M35: 7,648,191 km (0.115 R)
• M36: 7,773,853 km (0.058 R)
• M37: 7,914,326 km (0.119 R)
• M38: 8,098,182 km (0.115 R)
• M39: 8,269,172 km (0.1 R)
• M40: 8,455,870 km (0.044 R)
• M41: 8,556,998 km (0.104 R)
• M42: 8,891,948 km (0.104 R)
• M43: 9,186,656 km (0.111 R)
• M44: 9,801,204 km (0.106 R)
• M45: 9,968,305 km (0.115 R)
• M46: 10,090,376 km (0.099 R)
• M47: 10,228,455 km (0.11 R)
• M48: 10,459,883 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.6

Radius: 8.1

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.71 AU - 9.57 AU

Year: 8892 Days

Day: 7 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 24,423,182 km

• M1: 115,041 km (0.043 R)
• M2: 253,269 km (0.073 R)
• M3: 372,648 km (0.106 R)
• M4: 440,416 km (0.079 R)
• M5: 531,970 km (0.095 R)
• M6: 620,382 km (0.033 R)
• M7: 768,484 km (0.104 R)
• M8: 835,504 km (0.067 R)
• M9: 1,024,596 km (0.067 R)
• M10: 1,175,690 km (0.113 R)
• M11: 1,253,929 km (0.112 R)
• M12: 1,443,619 km (0.075 R)
• M13: 1,805,497 km (0.066 R)
• M14: 2,067,592 km (0.048 R)
• M15: 2,259,975 km (0.045 R)
• M16: 2,731,208 km (0.095 R)
• M17: 2,889,333 km (0.094 R)
• M18: 3,456,309 km (0.07 R)
• M19: 3,513,007 km (0.053 R)
• M20: 3,781,834 km (0.106 R)
• M21: 3,899,119 km (0.106 R)
• M22: 4,077,290 km (0.106 R)
• M23: 4,137,279 km (0.066 R)
• M24: 4,197,716 km (0.118 R)
• M25: 4,586,372 km (0.115 R)
• M26: 4,711,585 km (0.093 R)
• M27: 4,965,303 km (0.08 R)
• M28: 5,245,350 km (0.104 R)
• M29: 5,464,212 km (0.054 R)
• M30: 5,641,485 km (0.111 R)
• M31: 5,888,471 km (0.105 R)
• M32: 5,956,389 km (0.093 R)
• M33: 6,161,787 km (0.082 R)
• M34: 6,697,497 km (0.064 R)
• M35: 7,467,477 km (0.113 R)
• M36: 7,713,715 km (0.11 R)
• M37: 8,725,894 km (0.103 R)
• M38: 8,777,505 km (0.084 R)
• M39: 9,221,063 km (0.107 R)
• M40: 9,512,031 km (0.066 R)
• M41: 9,832,918 km (0.104 R)
• M42: 10,512,691 km (0.076 R)
• M43: 10,567,743 km (0.098 R)
• M44: 10,677,997 km (0.097 R)
• M45: 10,844,350 km (0.045 R)
• M46: 11,717,104 km (0.079 R)
• M47: 12,437,268 km (0.039 R)
• M48: 12,846,867 km (0.057 R)
• M49: 12,905,659 km (0.114 R)
• M50: 13,082,932 km (0.092 R)
• M51: 13,290,574 km (0.097 R)
• M52: 13,350,114 km (0.066 R)
• M53: 13,409,804 km (0.096 R)
• M54: 13,769,437 km (0.083 R)
• M55: 14,162,730 km (0.057 R)
• M56: 14,528,945 km (0.056 R)
• M57: 15,489,663 km (0.04 R)
• M58: 16,247,526 km (0.098 R)
• M59: 16,695,122 km (0.11 R)
• M60: 17,276,609 km (0.075 R)
• M61: 17,471,835 km (0.098 R)
• M62: 18,293,426 km (0.107 R)
• M63: 18,426,119 km (0.102 R)
• M64: 18,625,683 km (0.115 R)
• M65: 19,296,031 km (0.05 R)
• M66: 19,566,354 km (0.084 R)
• M67: 19,769,957 km (0.028 R)
• M68: 20,144,999 km (0.107 R)
• M69: 20,971,527 km (0.086 R)
• M70: 21,284,336 km (0.1 R)
• M71: 23,805,659 km (0.107 R)
• M72: 24,023,024 km (0.081 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 19,433 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit