🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.1 AU - 1.42 AU

Year: 507 Days

Day: 41.7 Hours

Environment

Temp: -6 °C

Axial Tilt: 47.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 106,554,703 km

• M1: 127,607 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.2 AU - 1.38 AU

Year: 525 Days

Day: 34.1 Hours

Environment

Temp: 7 °C

Axial Tilt: 178.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 106,554,703 km

• M1: 568,472 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.93 AU - 3.19 AU

Year: 1467 Days

Day: 16.9 Hours

Environment

Temp: -81 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 106,554,703 km

• M1: 1,484,011 km (0.088 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.45 AU - 2.93 AU

Year: 1580 Days

Day: 12.8 Hours

Environment

Temp: -97 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 106,554,703 km

• M1: 742,005 km (0.034 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.18 AU - 4.84 AU

Year: 3430 Days

Day: 35.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 106,554,703 km

• M1: 34,707 km (0.101 R)
• M2: 84,373 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.6

Radius: 14.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.98 AU - 13.48 AU

Year: 13479 Days

Day: 7.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 106,554,703 km

• M1: 181,612 km (0.071 R)
• M2: 663,766 km (0.092 R)
• M3: 1,222,514 km (0.115 R)
• M4: 2,307,996 km (0.104 R)
• M5: 5,340,195 km (0.085 R)
• M6: 5,958,633 km (0.059 R)
• M7: 11,117,515 km (0.053 R)
• M8: 12,928,098 km (0.099 R)
• M9: 13,761,658 km (0.041 R)
• M10: 14,453,997 km (0.057 R)
• M11: 23,844,554 km (0.083 R)
• M12: 28,471,766 km (0.05 R)
• M13: 29,596,892 km (0.082 R)
• M14: 32,539,631 km (0.094 R)
• M15: 34,396,141 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.5

Radius: 14.3

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 9.74 AU - 14.8 AU

Year: 15394 Days

Day: 11.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 106,554,703 km

• M1: 181,462 km (0.066 R)
• M2: 830,567 km (0.086 R)
• M3: 1,282,054 km (0.092 R)
• M4: 1,904,979 km (0.091 R)
• M5: 4,128,303 km (0.032 R)
• M6: 4,835,153 km (0.099 R)
• M7: 8,502,395 km (0.108 R)
• M8: 9,063,985 km (0.052 R)
• M9: 10,092,471 km (0.106 R)
• M10: 10,606,190 km (0.086 R)
• M11: 11,318,276 km (0.045 R)
• M12: 13,510,483 km (0.088 R)
• M13: 16,909,347 km (0.041 R)
• M14: 17,882,181 km (0.083 R)
• M15: 24,418,412 km (0.117 R)
• M16: 25,556,103 km (0.11 R)
• M17: 27,493,695 km (0.045 R)
• M18: 28,725,035 km (0.106 R)
• M19: 29,759,504 km (0.119 R)
• M20: 33,137,125 km (0.108 R)
• M21: 34,019,902 km (0.098 R)
• M22: 38,119,183 km (0.104 R)
• M23: 45,871,345 km (0.115 R)
• M24: 47,921,733 km (0.117 R)
• M25: 49,213,511 km (0.112 R)
• M26: 52,374,364 km (0.115 R)
• M27: 66,176,264 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.1

Radius: 5.2

Gravity: 35.69 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 14.51 AU - 21.99 AU

Year: 27923 Days

Day: 21.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 106,554,703 km

• M1: 83,326 km (0.112 R)
• M2: 293,212 km (0.064 R)
• M3: 569,669 km (0.117 R)
• M4: 929,452 km (0.095 R)
• M5: 2,303,508 km (0.108 R)
• M6: 2,503,969 km (0.056 R)
• M7: 2,968,770 km (0.087 R)
• M8: 4,032,411 km (0.08 R)
• M9: 4,513,966 km (0.075 R)
• M10: 4,748,835 km (0.097 R)
• M11: 9,135,942 km (0.083 R)
• M12: 11,694,963 km (0.108 R)
• M13: 12,747,085 km (0.055 R)
• M14: 14,780,419 km (0.113 R)
• M15: 16,647,401 km (0.104 R)
• M16: 17,303,088 km (0.037 R)
• M17: 20,734,863 km (0.088 R)
• M18: 20,949,835 km (0.118 R)
• M19: 21,384,118 km (0.089 R)
• M20: 21,713,832 km (0.1 R)
• M21: 23,413,264 km (0.067 R)
• M22: 24,956,216 km (0.094 R)
• M23: 29,989,586 km (0.059 R)
• M24: 36,434,412 km (0.099 R)
• M25: 37,697,467 km (0.12 R)
• M26: 39,646,428 km (0.105 R)
• M27: 43,217,030 km (0.113 R)
• M28: 57,288,953 km (0.063 R)
• M29: 62,956,618 km (0.118 R)
• M30: 69,706,175 km (0.113 R)
• M31: 73,379,401 km (0.091 R)
• M32: 82,178,598 km (0.085 R)
• M33: 82,447,575 km (0.026 R)
• M34: 93,107,471 km (0.114 R)
• M35: 94,280,168 km (0.108 R)
• M36: 97,556,212 km (0.032 R)
• M37: 102,144,379 km (0.082 R)
• M38: 104,334,043 km (0.064 R)

Kuiper Belt

Range: 30.6 - 45.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 20,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit