🌌 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: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.62 AU - 0.62 AU

Year: 320 Days

Day: 35.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.5

Radius: 9.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.77 AU - 0.87 AU

Year: 487 Days

Day: 13.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,196,790 km

• M1: 114,742 km (0.102 R)
• M2: 417,228 km (0.057 R)
• M3: 1,309,281 km (0.103 R)
• M4: 1,635,254 km (0.049 R)
• M5: 2,339,412 km (0.116 R)
• M6: 2,805,409 km (0.069 R)
• M7: 3,276,792 km (0.074 R)
• M8: 3,837,185 km (0.09 R)
• M9: 4,232,124 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.1

Radius: 14.7

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.77 AU - 1.03 AU

Year: 560 Days

Day: 5.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 172 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 89,196,790 km

• M1: 182,809 km (0.107 R)
• M2: 806,482 km (0.105 R)
• M3: 2,095,866 km (0.089 R)
• M4: 2,796,732 km (0.053 R)
• M5: 3,462,592 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.7

Radius: 11.5

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.17 AU - 3.01 AU

Year: 2734 Days

Day: 7.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,196,790 km

• M1: 143,913 km (0.094 R)
• M2: 738,565 km (0.09 R)
• M3: 1,175,091 km (0.088 R)
• M4: 1,576,612 km (0.114 R)
• M5: 2,808,102 km (0.082 R)
• M6: 4,036,001 km (0.077 R)
• M7: 4,864,923 km (0.104 R)
• M8: 5,971,498 km (0.103 R)
• M9: 7,074,483 km (0.108 R)
• M10: 7,574,739 km (0.102 R)
• M11: 9,057,104 km (0.079 R)
• M12: 11,649,934 km (0.101 R)
• M13: 12,708,489 km (0.108 R)
• M14: 13,157,731 km (0.115 R)
• M15: 14,525,056 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.2

Radius: 8.1

Gravity: 15.11 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.16 AU - 3.74 AU

Year: 4204 Days

Day: 8.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,196,790 km

• M1: 100,829 km (0.072 R)
• M2: 406,308 km (0.039 R)
• M3: 664,963 km (0.054 R)
• M4: 1,378,694 km (0.112 R)
• M5: 1,831,228 km (0.046 R)
• M6: 2,100,205 km (0.067 R)
• M7: 2,428,572 km (0.098 R)
• M8: 3,033,097 km (0.11 R)
• M9: 4,052,606 km (0.096 R)
• M10: 4,640,825 km (0.084 R)
• M11: 5,256,570 km (0.083 R)
• M12: 5,865,433 km (0.026 R)
• M13: 6,392,018 km (0.101 R)
• M14: 6,882,549 km (0.095 R)
• M15: 7,719,101 km (0.113 R)
• M16: 8,389,897 km (0.05 R)
• M17: 9,098,842 km (0.102 R)
• M18: 9,509,637 km (0.104 R)
• M19: 9,889,915 km (0.044 R)
• M20: 11,091,934 km (0.029 R)
• M21: 11,418,805 km (0.092 R)
• M22: 12,091,996 km (0.062 R)
• M23: 13,150,850 km (0.089 R)
• M24: 14,161,084 km (0.072 R)
• M25: 16,156,121 km (0.026 R)
• M26: 18,987,111 km (0.051 R)
• M27: 21,119,330 km (0.116 R)
• M28: 21,767,238 km (0.07 R)
• M29: 24,100,217 km (0.051 R)
• M30: 26,181,273 km (0.052 R)
• M31: 27,605,145 km (0.081 R)
• M32: 29,881,427 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.9

Radius: 7.1

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.98 AU - 9.46 AU

Year: 18366 Days

Day: 15.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,196,790 km

• M1: 88,263 km (0.12 R)
• M2: 481,556 km (0.117 R)
• M3: 851,511 km (0.087 R)
• M4: 1,162,525 km (0.115 R)
• M5: 1,488,349 km (0.088 R)
• M6: 1,891,665 km (0.074 R)
• M7: 3,134,375 km (0.077 R)
• M8: 4,649,053 km (0.053 R)
• M9: 5,584,040 km (0.106 R)
• M10: 7,774,452 km (0.104 R)
• M11: 8,243,890 km (0.119 R)
• M12: 10,822,209 km (0.097 R)
• M13: 15,010,501 km (0.09 R)
• M14: 17,107,265 km (0.113 R)
• M15: 20,254,654 km (0.1 R)
• M16: 24,258,492 km (0.109 R)
• M17: 31,854,174 km (0.12 R)
• M18: 33,912,042 km (0.091 R)
• M19: 34,784,646 km (0.049 R)
• M20: 42,025,333 km (0.063 R)
• M21: 46,451,934 km (0.081 R)
• M22: 46,757,562 km (0.119 R)
• M23: 49,251,658 km (0.058 R)
• M24: 50,531,318 km (0.056 R)
• M25: 51,342,288 km (0.092 R)
• M26: 52,657,852 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.7

Radius: 7.4

Gravity: 17.6 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.68 AU - 11.74 AU

Year: 21402 Days

Day: 19.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 89,196,790 km

• M1: 110,254 km (0.072 R)
• M2: 417,528 km (0.118 R)
• M3: 722,707 km (0.051 R)
• M4: 953,088 km (0.086 R)
• M5: 1,517,970 km (0.078 R)
• M6: 2,379,504 km (0.118 R)
• M7: 2,772,348 km (0.092 R)
• M8: 4,678,973 km (0.11 R)
• M9: 5,924,076 km (0.11 R)
• M10: 8,878,783 km (0.096 R)
• M11: 9,461,766 km (0.109 R)
• M12: 15,908,537 km (0.077 R)
• M13: 20,217,853 km (0.077 R)
• M14: 21,328,168 km (0.084 R)
• M15: 31,447,567 km (0.088 R)
• M16: 32,799,034 km (0.095 R)
• M17: 37,084,863 km (0.109 R)
• M18: 42,214,425 km (0.112 R)
• M19: 47,621,490 km (0.091 R)
• M20: 49,762,685 km (0.116 R)
• M21: 57,362,855 km (0.051 R)
• M22: 59,785,293 km (0.105 R)
• M23: 62,485,535 km (0.113 R)
• M24: 66,797,095 km (0.119 R)
• M25: 74,337,426 km (0.045 R)
• M26: 75,049,811 km (0.109 R)
• M27: 78,926,191 km (0.084 R)
• M28: 81,415,500 km (0.09 R)
• M29: 86,288,501 km (0.096 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: 491 - 14,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit