🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.8

Radius: 12.7

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.62 AU - 0.88 AU

Year: 441 Days

Day: 9.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,421,900 km

• M1: 157,975 km (0.118 R)
• M2: 673,490 km (0.075 R)
• M3: 1,304,942 km (0.058 R)
• M4: 1,752,689 km (0.064 R)
• M5: 2,395,810 km (0.113 R)
• M6: 3,450,026 km (0.106 R)
• M7: 3,889,844 km (0.06 R)
• M8: 4,792,218 km (0.066 R)
• M9: 5,261,058 km (0.072 R)
• M10: 5,916,297 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.2

Radius: 11

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.61 AU - 0.91 AU

Year: 449 Days

Day: 6.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,421,900 km

• M1: 137,929 km (0.077 R)
• M2: 727,943 km (0.102 R)
• M3: 1,128,566 km (0.087 R)
• M4: 1,473,539 km (0.097 R)
• M5: 2,539,573 km (0.098 R)
• M6: 2,930,622 km (0.106 R)
• M7: 3,342,016 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717

Radius: 11.7

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.26 AU - 1.98 AU

Year: 1399 Days

Day: 12.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,421,900 km

• M1: 145,708 km (0.034 R)
• M2: 624,272 km (0.045 R)
• M3: 1,052,271 km (0.106 R)
• M4: 1,500,317 km (0.077 R)
• M5: 1,906,326 km (0.107 R)
• M6: 2,447,272 km (0.084 R)
• M7: 2,822,164 km (0.029 R)
• M8: 3,250,911 km (0.031 R)
• M9: 4,204,747 km (0.075 R)
• M10: 5,421,427 km (0.117 R)
• M11: 5,973,593 km (0.115 R)
• M12: 7,559,928 km (0.118 R)
• M13: 8,422,061 km (0.117 R)
• M14: 9,661,629 km (0.072 R)
• M15: 11,123,200 km (0.106 R)
• M16: 11,725,780 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.3

Radius: 11.3

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.63 AU - 1.93 AU

Year: 1611 Days

Day: 10.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,421,900 km

• M1: 140,622 km (0.091 R)
• M2: 927,357 km (0.103 R)
• M3: 1,716,037 km (0.084 R)
• M4: 3,318,230 km (0.086 R)
• M5: 4,176,324 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.7

Radius: 13.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.47 AU - 4.05 AU

Year: 3992 Days

Day: 12.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,421,900 km

• M1: 169,644 km (0.025 R)
• M2: 1,038,060 km (0.072 R)
• M3: 1,545,346 km (0.056 R)
• M4: 2,435,453 km (0.09 R)
• M5: 3,066,607 km (0.039 R)
• M6: 3,644,503 km (0.095 R)
• M7: 4,474,472 km (0.093 R)
• M8: 5,883,086 km (0.091 R)
• M9: 6,452,156 km (0.111 R)
• M10: 8,313,602 km (0.108 R)
• M11: 8,921,419 km (0.053 R)
• M12: 9,520,558 km (0.045 R)
• M13: 10,226,510 km (0.101 R)
• M14: 13,213,382 km (0.085 R)
• M15: 14,546,448 km (0.088 R)
• M16: 16,405,650 km (0.079 R)
• M17: 17,249,233 km (0.09 R)
• M18: 17,827,429 km (0.056 R)
• M19: 18,538,467 km (0.071 R)
• M20: 21,773,222 km (0.105 R)
• M21: 22,654,503 km (0.113 R)
• M22: 23,348,338 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.3

Radius: 7.2

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.87 AU - 9.31 AU

Year: 14183 Days

Day: 19.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,421,900 km

• M1: 89,609 km (0.041 R)
• M2: 705,055 km (0.091 R)
• M3: 1,117,496 km (0.071 R)
• M4: 1,405,023 km (0.107 R)
• M5: 1,638,396 km (0.109 R)
• M6: 2,720,288 km (0.082 R)
• M7: 3,583,467 km (0.077 R)
• M8: 4,215,818 km (0.074 R)
• M9: 6,264,411 km (0.12 R)
• M10: 6,749,706 km (0.095 R)
• M11: 7,340,618 km (0.079 R)
• M12: 8,715,572 km (0.096 R)
• M13: 9,560,351 km (0.12 R)
• M14: 11,411,924 km (0.113 R)
• M15: 15,471,861 km (0.105 R)
• M16: 17,133,444 km (0.12 R)
• M17: 17,859,742 km (0.116 R)
• M18: 21,885,720 km (0.11 R)
• M19: 25,624,918 km (0.103 R)
• M20: 28,241,086 km (0.074 R)
• M21: 29,562,185 km (0.077 R)
• M22: 31,137,002 km (0.101 R)
• M23: 32,108,191 km (0.067 R)
• M24: 35,491,796 km (0.091 R)
• M25: 41,001,485 km (0.119 R)
• M26: 42,825,233 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.5

Radius: 5.1

Gravity: 21.24 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.3 AU - 11.68 AU

Year: 19829 Days

Day: 16.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,421,900 km

• M1: 76,445 km (0.089 R)
• M2: 260,599 km (0.11 R)
• M3: 466,895 km (0.075 R)
• M4: 678,426 km (0.074 R)
• M5: 908,358 km (0.067 R)
• M6: 1,494,932 km (0.055 R)
• M7: 2,434,406 km (0.114 R)
• M8: 2,853,280 km (0.117 R)
• M9: 3,105,951 km (0.084 R)
• M10: 3,264,674 km (0.075 R)
• M11: 3,924,102 km (0.044 R)
• M12: 4,334,150 km (0.043 R)
• M13: 9,956,337 km (0.108 R)
• M14: 10,186,418 km (0.085 R)
• M15: 10,361,298 km (0.071 R)
• M16: 11,515,745 km (0.064 R)
• M17: 11,961,846 km (0.089 R)
• M18: 12,888,605 km (0.109 R)
• M19: 13,509,137 km (0.108 R)
• M20: 14,149,266 km (0.107 R)
• M21: 15,643,898 km (0.099 R)
• M22: 16,750,773 km (0.116 R)
• M23: 17,489,337 km (0.085 R)
• M24: 17,656,289 km (0.053 R)
• M25: 18,421,183 km (0.083 R)
• M26: 19,119,356 km (0.072 R)
• M27: 20,941,608 km (0.094 R)
• M28: 21,319,492 km (0.063 R)
• M29: 26,654,152 km (0.045 R)
• M30: 28,574,390 km (0.102 R)
• M31: 32,687,584 km (0.111 R)
• M32: 34,621,286 km (0.114 R)
• M33: 36,903,551 km (0.092 R)
• M34: 41,172,326 km (0.095 R)
• M35: 45,128,292 km (0.113 R)
• M36: 49,164,143 km (0.119 R)
• M37: 63,093,500 km (0.089 R)
• M38: 64,476,533 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 14,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit