🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.4

Radius: 11.9

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.61 AU - 1.87 AU

Year: 1459 Days

Day: 12.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,951,246 km

• M1: 164,857 km (0.095 R)
• M2: 895,044 km (0.085 R)
• M3: 1,373,757 km (0.072 R)
• M4: 1,906,176 km (0.067 R)
• M5: 2,657,457 km (0.11 R)
• M6: 3,934,424 km (0.08 R)
• M7: 4,360,778 km (0.104 R)
• M8: 4,818,099 km (0.086 R)
• M9: 7,024,518 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.8

Radius: 10.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.04 AU - 3.32 AU

Year: 2790 Days

Day: 10.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,951,246 km

• M1: 137,929 km (0.072 R)
• M2: 1,431,801 km (0.09 R)
• M3: 1,777,073 km (0.114 R)
• M4: 2,251,298 km (0.068 R)
• M5: 5,088,721 km (0.117 R)
• M6: 6,436,598 km (0.065 R)
• M7: 8,953,283 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.6

Radius: 14.1

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.34 AU - 4.64 AU

Year: 5067 Days

Day: 8.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,951,246 km

• M1: 175,329 km (0.114 R)
• M2: 783,294 km (0.098 R)
• M3: 1,390,512 km (0.047 R)
• M4: 1,972,149 km (0.105 R)
• M5: 3,098,022 km (0.039 R)
• M6: 4,310,812 km (0.096 R)
• M7: 6,868,188 km (0.056 R)
• M8: 9,068,174 km (0.096 R)
• M9: 10,266,453 km (0.091 R)
• M10: 15,191,963 km (0.096 R)
• M11: 16,360,921 km (0.082 R)
• M12: 17,055,354 km (0.08 R)
• M13: 17,588,970 km (0.105 R)
• M14: 24,592,095 km (0.118 R)
• M15: 26,046,036 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.7

Radius: 11.6

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.92 AU - 4.94 AU

Year: 6960 Days

Day: 14.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,951,246 km

• M1: 170,990 km (0.116 R)
• M2: 556,354 km (0.081 R)
• M3: 1,154,297 km (0.085 R)
• M4: 1,771,089 km (0.119 R)
• M5: 2,404,337 km (0.105 R)
• M6: 2,880,507 km (0.079 R)
• M7: 4,174,379 km (0.055 R)
• M8: 4,755,716 km (0.056 R)
• M9: 5,241,161 km (0.106 R)
• M10: 5,634,604 km (0.045 R)
• M11: 6,146,079 km (0.12 R)
• M12: 7,115,623 km (0.103 R)
• M13: 8,467,838 km (0.076 R)
• M14: 9,357,347 km (0.053 R)
• M15: 11,222,832 km (0.1 R)
• M16: 12,614,840 km (0.07 R)
• M17: 14,003,258 km (0.075 R)
• M18: 16,178,411 km (0.06 R)
• M19: 18,224,312 km (0.06 R)
• M20: 19,273,890 km (0.09 R)
• M21: 20,885,508 km (0.034 R)
• M22: 24,879,622 km (0.119 R)
• M23: 28,699,304 km (0.083 R)
• M24: 33,924,010 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.8

Radius: 10.1

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.36 AU - 6.04 AU

Year: 8653 Days

Day: 6.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,951,246 km

• M1: 125,662 km (0.081 R)
• M2: 465,698 km (0.032 R)
• M3: 802,144 km (0.058 R)
• M4: 1,288,486 km (0.088 R)
• M5: 1,910,066 km (0.096 R)
• M6: 2,482,427 km (0.091 R)
• M7: 3,637,622 km (0.055 R)
• M8: 4,062,181 km (0.08 R)
• M9: 5,595,858 km (0.069 R)
• M10: 6,287,599 km (0.12 R)
• M11: 8,098,630 km (0.092 R)
• M12: 9,184,412 km (0.116 R)
• M13: 10,103,541 km (0.072 R)
• M14: 11,930,281 km (0.047 R)
• M15: 13,647,814 km (0.034 R)
• M16: 15,755,947 km (0.069 R)
• M17: 17,818,602 km (0.115 R)
• M18: 19,782,822 km (0.111 R)
• M19: 21,526,535 km (0.083 R)
• M20: 24,059,377 km (0.098 R)
• M21: 27,285,904 km (0.094 R)
• M22: 28,653,677 km (0.108 R)
• M23: 29,531,368 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.7

Radius: 5.3

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.27 AU - 8.27 AU

Year: 13771 Days

Day: 19.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,951,246 km

• M1: 68,067 km (0.089 R)
• M2: 448,943 km (0.115 R)
• M3: 1,088,624 km (0.065 R)
• M4: 1,935,048 km (0.101 R)
• M5: 2,464,625 km (0.073 R)
• M6: 3,962,548 km (0.093 R)
• M7: 5,342,439 km (0.087 R)
• M8: 5,981,671 km (0.059 R)
• M9: 6,975,898 km (0.115 R)
• M10: 9,053,813 km (0.086 R)
• M11: 11,784,572 km (0.113 R)
• M12: 13,098,191 km (0.108 R)
• M13: 16,080,574 km (0.076 R)
• M14: 17,476,322 km (0.085 R)
• M15: 18,500,320 km (0.097 R)
• M16: 18,875,511 km (0.101 R)
• M17: 21,233,922 km (0.102 R)
• M18: 22,229,944 km (0.11 R)
• M19: 23,869,986 km (0.079 R)
• M20: 26,526,096 km (0.075 R)
• M21: 30,089,218 km (0.047 R)
• M22: 38,877,195 km (0.032 R)
• M23: 40,114,519 km (0.111 R)
• M24: 43,850,577 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.8

Radius: 3.6

Gravity: 57.93 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.87 AU - 8.63 AU

Year: 15067 Days

Day: 23.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,951,246 km

• M1: 74,350 km (0.06 R)
• M2: 347,067 km (0.113 R)
• M3: 754,871 km (0.036 R)
• M4: 1,022,801 km (0.119 R)
• M5: 1,500,317 km (0.061 R)
• M6: 1,677,441 km (0.103 R)
• M7: 2,073,426 km (0.118 R)
• M8: 4,785,187 km (0.06 R)
• M9: 5,241,311 km (0.057 R)
• M10: 8,061,081 km (0.035 R)
• M11: 8,354,293 km (0.101 R)
• M12: 9,223,906 km (0.066 R)
• M13: 9,872,861 km (0.076 R)
• M14: 10,095,762 km (0.114 R)
• M15: 10,379,250 km (0.106 R)
• M16: 12,840,284 km (0.116 R)
• M17: 13,039,100 km (0.116 R)
• M18: 15,739,491 km (0.109 R)
• M19: 16,197,261 km (0.081 R)
• M20: 18,117,649 km (0.106 R)
• M21: 20,006,621 km (0.081 R)
• M22: 22,982,272 km (0.043 R)
• M23: 24,779,242 km (0.03 R)
• M24: 25,398,427 km (0.104 R)
• M25: 26,560,204 km (0.049 R)
• M26: 27,427,124 km (0.114 R)
• M27: 29,103,219 km (0.106 R)
• M28: 32,412,174 km (0.115 R)
• M29: 33,152,384 km (0.036 R)
• M30: 39,345,437 km (0.106 R)
• M31: 40,755,546 km (0.089 R)
• M32: 49,604,260 km (0.094 R)
• M33: 50,751,676 km (0.093 R)
• M34: 51,082,736 km (0.057 R)
• M35: 54,472,923 km (0.07 R)
• M36: 58,553,355 km (0.076 R)
• M37: 58,917,476 km (0.049 R)
• M38: 60,760,970 km (0.058 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 13,901 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit