🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.5

Radius: 11.8

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.94 AU - 1.08 AU

Year: 677 Days

Day: 15 Hours

Environment

Temp: -177 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,404,576 km

• M1: 146,905 km (0.109 R)
• M2: 549,623 km (0.101 R)
• M3: 1,045,839 km (0.11 R)
• M4: 1,540,110 km (0.103 R)
• M5: 1,918,293 km (0.105 R)
• M6: 2,348,986 km (0.077 R)
• M7: 2,975,950 km (0.109 R)
• M8: 3,356,079 km (0.094 R)
• M9: 3,943,400 km (0.053 R)
• M10: 4,849,215 km (0.108 R)
• M11: 5,967,010 km (0.05 R)
• M12: 7,049,201 km (0.119 R)
• M13: 8,307,020 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503

Radius: 10.9

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.11 AU - 1.23 AU

Year: 844 Days

Day: 14.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,404,576 km

• M1: 135,536 km (0.087 R)
• M2: 699,669 km (0.068 R)
• M3: 1,691,503 km (0.119 R)
• M4: 2,261,022 km (0.091 R)
• M5: 3,102,211 km (0.081 R)
• M6: 4,217,014 km (0.102 R)
• M7: 4,714,577 km (0.095 R)
• M8: 6,121,994 km (0.102 R)
• M9: 6,571,386 km (0.073 R)
• M10: 7,020,778 km (0.091 R)
• M11: 7,467,627 km (0.12 R)
• M12: 8,173,728 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.5

Radius: 11.9

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.01 AU - 1.43 AU

Year: 899 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,404,576 km

• M1: 148,401 km (0.103 R)
• M2: 546,930 km (0.062 R)
• M3: 943,663 km (0.084 R)
• M4: 1,365,679 km (0.078 R)
• M5: 1,991,896 km (0.119 R)
• M6: 2,372,622 km (0.116 R)
• M7: 2,902,049 km (0.052 R)
• M8: 3,298,184 km (0.118 R)
• M9: 3,685,493 km (0.105 R)
• M10: 4,282,688 km (0.11 R)
• M11: 4,727,742 km (0.106 R)
• M12: 5,318,055 km (0.089 R)
• M13: 5,936,193 km (0.052 R)
• M14: 6,360,153 km (0.115 R)
• M15: 7,509,215 km (0.118 R)
• M16: 8,082,324 km (0.061 R)
• M17: 8,955,228 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.6

Radius: 9.4

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.2 AU - 1.52 AU

Year: 1058 Days

Day: 9.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,404,576 km

• M1: 116,986 km (0.115 R)
• M2: 419,173 km (0.077 R)
• M3: 724,353 km (0.09 R)
• M4: 1,227,451 km (0.071 R)
• M5: 1,730,099 km (0.044 R)
• M6: 2,030,043 km (0.046 R)
• M7: 2,354,072 km (0.039 R)
• M8: 2,749,459 km (0.11 R)
• M9: 3,054,789 km (0.113 R)
• M10: 3,719,601 km (0.118 R)
• M11: 4,046,473 km (0.057 R)
• M12: 6,084,893 km (0.059 R)
• M13: 7,326,107 km (0.111 R)
• M14: 7,667,489 km (0.065 R)
• M15: 8,199,310 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128

Radius: 13.8

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.04 AU - 2.54 AU

Year: 2311 Days

Day: 9.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,404,576 km

• M1: 178,321 km (0.098 R)
• M2: 792,270 km (0.094 R)
• M3: 1,494,184 km (0.073 R)
• M4: 1,953,748 km (0.088 R)
• M5: 2,509,205 km (0.075 R)
• M6: 3,742,640 km (0.062 R)
• M7: 4,661,619 km (0.052 R)
• M8: 8,573,454 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935

Radius: 14.6

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.33 AU - 3.45 AU

Year: 4162 Days

Day: 15 Hours

Environment

Temp: -210 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,404,576 km

• M1: 181,612 km (0.116 R)
• M2: 705,354 km (0.058 R)
• M3: 1,269,338 km (0.087 R)
• M4: 1,875,808 km (0.055 R)
• M5: 2,795,087 km (0.098 R)
• M6: 3,690,131 km (0.1 R)
• M7: 5,551,577 km (0.114 R)
• M8: 6,513,042 km (0.089 R)
• M9: 7,904,153 km (0.11 R)
• M10: 8,384,362 km (0.107 R)
• M11: 8,844,974 km (0.086 R)
• M12: 10,071,228 km (0.114 R)
• M13: 13,164,613 km (0.034 R)
• M14: 15,664,243 km (0.118 R)
• M15: 18,465,613 km (0.069 R)
• M16: 19,116,214 km (0.059 R)
• M17: 20,879,674 km (0.053 R)
• M18: 22,235,330 km (0.114 R)
• M19: 24,030,654 km (0.086 R)
• M20: 25,042,684 km (0.048 R)
• M21: 27,486,365 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468

Radius: 5.9

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.62 AU - 7.64 AU

Year: 10121 Days

Day: 16.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 31,404,576 km

• M1: 73,453 km (0.117 R)
• M2: 316,998 km (0.1 R)
• M3: 794,514 km (0.057 R)
• M4: 1,067,231 km (0.105 R)
• M5: 1,572,423 km (0.059 R)
• M6: 1,772,735 km (0.045 R)
• M7: 2,331,632 km (0.12 R)
• M8: 2,711,461 km (0.109 R)
• M9: 3,618,772 km (0.104 R)
• M10: 4,022,537 km (0.11 R)
• M11: 5,194,936 km (0.12 R)
• M12: 5,943,972 km (0.085 R)
• M13: 6,256,033 km (0.096 R)
• M14: 6,988,465 km (0.085 R)
• M15: 8,491,624 km (0.047 R)
• M16: 8,798,449 km (0.102 R)
• M17: 9,481,064 km (0.046 R)
• M18: 10,346,039 km (0.03 R)
• M19: 10,951,013 km (0.083 R)
• M20: 11,902,605 km (0.074 R)
• M21: 15,150,375 km (0.096 R)
• M22: 15,602,011 km (0.116 R)
• M23: 16,329,804 km (0.106 R)
• M24: 17,710,742 km (0.05 R)
• M25: 24,629,045 km (0.099 R)
• M26: 26,071,319 km (0.077 R)
• M27: 27,952,213 km (0.047 R)
• M28: 28,339,073 km (0.11 R)
• M29: 30,632,408 km (0.073 R)
• M30: 31,771,745 km (0.098 R)
• M31: 32,939,207 km (0.109 R)
• M32: 33,262,488 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.3

Radius: 4.4

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.29 AU - 9.93 AU

Year: 18336 Days

Day: 15 Hours

Environment

Temp: -244 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,404,576 km

• M1: 54,753 km (0.098 R)
• M2: 287,228 km (0.102 R)
• M3: 544,536 km (0.09 R)
• M4: 1,191,547 km (0.025 R)
• M5: 1,617,003 km (0.118 R)
• M6: 3,457,207 km (0.101 R)
• M7: 4,140,420 km (0.091 R)
• M8: 4,336,842 km (0.062 R)
• M9: 14,874,666 km (0.091 R)
• M10: 15,394,369 km (0.065 R)
• M11: 21,858,792 km (0.054 R)
• M12: 22,454,790 km (0.06 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 15,892 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit