🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.7

Radius: 10.4

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.03 AU - 1.17 AU

Year: 782 Days

Day: 10.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,842,429 km

• M1: 129,402 km (0.098 R)
• M2: 731,534 km (0.045 R)
• M3: 1,619,247 km (0.098 R)
• M4: 2,061,010 km (0.043 R)
• M5: 2,404,636 km (0.104 R)
• M6: 2,866,295 km (0.087 R)
• M7: 3,446,885 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.2

Radius: 10.7

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.07 AU - 1.31 AU

Year: 880 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,842,429 km

• M1: 133,142 km (0.047 R)
• M2: 703,559 km (0.098 R)
• M3: 1,304,045 km (0.064 R)
• M4: 1,698,385 km (0.092 R)
• M5: 2,043,806 km (0.072 R)
• M6: 2,640,103 km (0.082 R)
• M7: 3,082,315 km (0.078 R)
• M8: 3,645,999 km (0.087 R)
• M9: 4,293,459 km (0.05 R)
• M10: 4,766,487 km (0.119 R)
• M11: 5,599,897 km (0.113 R)
• M12: 7,650,884 km (0.076 R)
• M13: 8,119,574 km (0.12 R)
• M14: 9,196,529 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.7

Radius: 9.1

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.54 AU - 1.58 AU

Year: 1322 Days

Day: 14.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,842,429 km

• M1: 113,844 km (0.117 R)
• M2: 480,359 km (0.088 R)
• M3: 826,229 km (0.108 R)
• M4: 1,340,397 km (0.066 R)
• M5: 1,647,372 km (0.088 R)
• M6: 2,729,114 km (0.076 R)
• M7: 3,154,122 km (0.094 R)
• M8: 3,639,267 km (0.085 R)
• M9: 5,081,840 km (0.081 R)
• M10: 5,772,234 km (0.091 R)
• M11: 6,329,935 km (0.099 R)
• M12: 6,671,616 km (0.038 R)
• M13: 8,306,721 km (0.115 R)
• M14: 10,094,416 km (0.086 R)
• M15: 10,732,002 km (0.061 R)
• M16: 11,793,099 km (0.118 R)
• M17: 12,806,625 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293

Radius: 13.1

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.74 AU - 2.56 AU

Year: 2138 Days

Day: 10.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,842,429 km

• M1: 162,912 km (0.055 R)
• M2: 588,668 km (0.061 R)
• M3: 1,371,962 km (0.094 R)
• M4: 1,894,507 km (0.065 R)
• M5: 2,366,339 km (0.092 R)
• M6: 2,835,328 km (0.103 R)
• M7: 5,225,902 km (0.079 R)
• M8: 6,190,659 km (0.059 R)
• M9: 6,789,799 km (0.093 R)
• M10: 7,666,592 km (0.032 R)
• M11: 10,287,546 km (0.073 R)
• M12: 12,572,803 km (0.105 R)

Asteroid Belt

Center: 3.6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.8

Radius: 8.8

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.94 AU - 6.14 AU

Year: 7674 Days

Day: 12.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 22,842,429 km

• M1: 109,506 km (0.084 R)
• M2: 632,500 km (0.07 R)
• M3: 1,028,336 km (0.094 R)
• M4: 1,447,958 km (0.114 R)
• M5: 2,055,924 km (0.064 R)
• M6: 3,126,745 km (0.115 R)
• M7: 3,678,761 km (0.11 R)
• M8: 4,586,072 km (0.072 R)
• M9: 6,250,349 km (0.12 R)
• M10: 7,461,044 km (0.099 R)
• M11: 8,653,190 km (0.099 R)
• M12: 13,208,594 km (0.112 R)
• M13: 13,600,990 km (0.088 R)
• M14: 14,116,953 km (0.113 R)
• M15: 15,618,616 km (0.104 R)
• M16: 16,569,161 km (0.117 R)
• M17: 18,865,937 km (0.063 R)
• M18: 21,214,025 km (0.104 R)
• M19: 21,675,086 km (0.119 R)
• M20: 22,300,106 km (0.066 R)
• M21: 23,098,210 km (0.032 R)
• M22: 23,668,178 km (0.059 R)
• M23: 24,331,046 km (0.108 R)
• M24: 27,286,801 km (0.117 R)
• M25: 32,459,746 km (0.099 R)
• M26: 35,598,459 km (0.12 R)
• M27: 37,019,339 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.5

Radius: 14.8

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.21 AU - 6.01 AU

Year: 9012 Days

Day: 12.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,842,429 km

• M1: 184,305 km (0.106 R)
• M2: 750,682 km (0.09 R)
• M3: 1,490,743 km (0.103 R)
• M4: 2,239,929 km (0.116 R)
• M5: 3,295,641 km (0.111 R)
• M6: 5,383,279 km (0.096 R)
• M7: 8,405,904 km (0.103 R)
• M8: 9,701,871 km (0.094 R)
• M9: 10,350,527 km (0.112 R)
• M10: 11,377,965 km (0.062 R)
• M11: 13,923,074 km (0.066 R)
• M12: 14,870,328 km (0.106 R)
• M13: 19,022,566 km (0.056 R)
• M14: 22,504,008 km (0.119 R)
• M15: 24,310,552 km (0.082 R)
• M16: 34,709,698 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.1

Radius: 7.6

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.88 AU - 8.36 AU

Year: 15694 Days

Day: 20.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,842,429 km

• M1: 105,766 km (0.088 R)
• M2: 508,334 km (0.069 R)
• M3: 980,764 km (0.064 R)
• M4: 1,594,564 km (0.102 R)
• M5: 2,032,287 km (0.119 R)
• M6: 2,563,360 km (0.062 R)
• M7: 2,820,219 km (0.099 R)
• M8: 3,094,282 km (0.049 R)
• M9: 3,716,460 km (0.108 R)
• M10: 4,154,034 km (0.11 R)
• M11: 4,886,315 km (0.105 R)
• M12: 6,997,740 km (0.108 R)
• M13: 7,897,122 km (0.119 R)
• M14: 8,270,668 km (0.076 R)
• M15: 8,943,858 km (0.107 R)
• M16: 12,318,487 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 14,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit