🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.8

Radius: 13.2

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.08 AU - 1.36 AU

Year: 930 Days

Day: 10.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,017,773 km

• M1: 164,408 km (0.103 R)
• M2: 617,390 km (0.057 R)
• M3: 1,058,106 km (0.084 R)
• M4: 1,538,764 km (0.103 R)
• M5: 1,989,951 km (0.038 R)
• M6: 2,564,407 km (0.061 R)
• M7: 3,168,184 km (0.111 R)
• M8: 3,774,803 km (0.086 R)
• M9: 5,587,480 km (0.088 R)
• M10: 7,222,136 km (0.09 R)
• M11: 7,848,802 km (0.109 R)
• M12: 8,277,998 km (0.072 R)
• M13: 8,749,531 km (0.075 R)
• M14: 9,462,365 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.7

Radius: 8.8

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.07 AU - 1.55 AU

Year: 1035 Days

Day: 14.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,017,773 km

• M1: 110,553 km (0.117 R)
• M2: 581,487 km (0.055 R)
• M3: 1,654,552 km (0.086 R)
• M4: 2,449,815 km (0.039 R)
• M5: 2,920,599 km (0.106 R)
• M6: 3,379,266 km (0.105 R)
• M7: 3,686,092 km (0.085 R)
• M8: 4,596,694 km (0.109 R)
• M9: 4,937,627 km (0.087 R)
• M10: 7,545,268 km (0.073 R)
• M11: 8,516,308 km (0.101 R)
• M12: 9,396,691 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363

Radius: 13.8

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.48 AU - 1.94 AU

Year: 1543 Days

Day: 12.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,017,773 km

• M1: 171,589 km (0.12 R)
• M2: 1,512,584 km (0.111 R)
• M3: 2,945,732 km (0.072 R)
• M4: 3,551,453 km (0.059 R)
• M5: 4,481,952 km (0.111 R)
• M6: 5,267,341 km (0.054 R)
• M7: 5,925,871 km (0.096 R)
• M8: 6,523,664 km (0.109 R)
• M9: 7,533,749 km (0.09 R)
• M10: 8,371,347 km (0.109 R)
• M11: 9,299,303 km (0.096 R)
• M12: 9,773,378 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.6

Radius: 11.2

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.28 AU - 4.18 AU

Year: 4972 Days

Day: 8.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,017,773 km

• M1: 139,276 km (0.105 R)
• M2: 509,231 km (0.084 R)
• M3: 1,720,525 km (0.109 R)
• M4: 2,152,265 km (0.101 R)
• M5: 3,857,082 km (0.109 R)
• M6: 4,503,494 km (0.084 R)
• M7: 5,000,458 km (0.095 R)
• M8: 8,911,844 km (0.119 R)
• M9: 9,655,047 km (0.083 R)
• M10: 10,755,339 km (0.106 R)
• M11: 11,265,318 km (0.093 R)
• M12: 11,986,380 km (0.114 R)
• M13: 12,636,083 km (0.07 R)
• M14: 15,182,688 km (0.071 R)
• M15: 15,647,937 km (0.115 R)
• M16: 17,668,406 km (0.062 R)
• M17: 21,413,140 km (0.092 R)
• M18: 22,295,319 km (0.047 R)
• M19: 22,972,847 km (0.101 R)
• M20: 23,431,963 km (0.119 R)
• M21: 27,243,867 km (0.078 R)
• M22: 30,246,445 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.6

Radius: 7.2

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.27 AU - 6.67 AU

Year: 10069 Days

Day: 16 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,017,773 km

• M1: 90,956 km (0.115 R)
• M2: 338,091 km (0.108 R)
• M3: 977,772 km (0.115 R)
• M4: 2,685,581 km (0.099 R)
• M5: 3,636,575 km (0.103 R)
• M6: 3,953,722 km (0.05 R)
• M7: 4,495,566 km (0.069 R)
• M8: 6,260,671 km (0.058 R)
• M9: 9,972,643 km (0.095 R)
• M10: 10,409,618 km (0.119 R)
• M11: 11,479,093 km (0.065 R)
• M12: 13,002,149 km (0.095 R)
• M13: 17,364,722 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.6

Radius: 4.7

Gravity: 27.73 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.35 AU - 7.81 AU

Year: 13004 Days

Day: 15.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,017,773 km

• M1: 58,493 km (0.069 R)
• M2: 255,364 km (0.114 R)
• M3: 518,207 km (0.059 R)
• M4: 959,072 km (0.067 R)
• M5: 1,264,850 km (0.117 R)
• M6: 1,572,274 km (0.059 R)
• M7: 1,727,706 km (0.063 R)
• M8: 2,753,050 km (0.092 R)
• M9: 4,582,332 km (0.097 R)
• M10: 5,033,370 km (0.106 R)
• M11: 5,911,360 km (0.079 R)
• M12: 6,805,506 km (0.11 R)
• M13: 7,609,146 km (0.04 R)
• M14: 11,005,018 km (0.066 R)
• M15: 14,943,630 km (0.098 R)
• M16: 23,899,756 km (0.05 R)
• M17: 26,950,206 km (0.098 R)
• M18: 27,673,362 km (0.108 R)
• M19: 33,336,090 km (0.057 R)
• M20: 35,015,626 km (0.056 R)
• M21: 35,628,977 km (0.066 R)
• M22: 35,876,262 km (0.086 R)
• M23: 36,249,359 km (0.07 R)
• M24: 43,415,247 km (0.102 R)
• M25: 53,223,930 km (0.081 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 12,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit