🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.8

Radius: 11.7

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.61 AU - 0.61 AU

Year: 329 Days

Day: 12.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,991,211 km

• M1: 145,559 km (0.119 R)
• M2: 531,222 km (0.09 R)
• M3: 972,386 km (0.07 R)
• M4: 1,536,221 km (0.098 R)
• M5: 1,995,785 km (0.084 R)
• M6: 2,409,124 km (0.048 R)
• M7: 3,110,589 km (0.104 R)
• M8: 4,033,607 km (0.031 R)
• M9: 4,447,993 km (0.098 R)
• M10: 5,070,021 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.2

Radius: 8.9

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.11 AU - 1.35 AU

Year: 942 Days

Day: 6.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 55.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,991,211 km

• M1: 111,002 km (0.053 R)
• M2: 502,200 km (0.039 R)
• M3: 1,067,530 km (0.1 R)
• M4: 1,490,892 km (0.052 R)
• M5: 1,787,545 km (0.054 R)
• M6: 2,227,662 km (0.105 R)
• M7: 2,763,222 km (0.079 R)
• M8: 3,134,973 km (0.113 R)
• M9: 3,496,401 km (0.116 R)
• M10: 3,932,330 km (0.069 R)
• M11: 4,489,133 km (0.091 R)
• M12: 4,768,881 km (0.114 R)
• M13: 5,191,645 km (0.113 R)
• M14: 5,559,506 km (0.098 R)
• M15: 6,175,699 km (0.093 R)
• M16: 7,642,207 km (0.083 R)
• M17: 8,170,437 km (0.046 R)
• M18: 9,469,246 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.9

Radius: 9.2

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.22 AU - 2.24 AU

Year: 2299 Days

Day: 6.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,991,211 km

• M1: 115,190 km (0.097 R)
• M2: 518,506 km (0.047 R)
• M3: 849,716 km (0.069 R)
• M4: 2,246,960 km (0.077 R)
• M5: 3,667,841 km (0.067 R)
• M6: 4,303,482 km (0.087 R)
• M7: 5,056,408 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.2

Radius: 14.7

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.14 AU - 3.28 AU

Year: 3079 Days

Day: 10.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,991,211 km

• M1: 182,809 km (0.055 R)
• M2: 730,486 km (0.097 R)
• M3: 1,443,619 km (0.088 R)
• M4: 1,931,458 km (0.076 R)
• M5: 2,489,458 km (0.103 R)
• M6: 3,513,456 km (0.107 R)
• M7: 4,093,297 km (0.108 R)
• M8: 4,780,699 km (0.119 R)
• M9: 5,447,606 km (0.088 R)
• M10: 6,228,507 km (0.111 R)
• M11: 7,345,555 km (0.096 R)
• M12: 9,545,990 km (0.06 R)
• M13: 11,146,837 km (0.106 R)
• M14: 11,949,728 km (0.11 R)
• M15: 14,923,584 km (0.083 R)
• M16: 16,099,573 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.1

Radius: 11.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.61 AU - 3.73 AU

Year: 3896 Days

Day: 8.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,991,211 km

• M1: 172,486 km (0.068 R)
• M2: 590,912 km (0.112 R)
• M3: 1,419,983 km (0.107 R)
• M4: 1,822,102 km (0.088 R)
• M5: 2,335,073 km (0.082 R)
• M6: 4,076,243 km (0.115 R)
• M7: 4,999,860 km (0.082 R)
• M8: 7,085,554 km (0.058 R)
• M9: 8,983,801 km (0.036 R)
• M10: 9,941,975 km (0.102 R)
• M11: 10,704,176 km (0.097 R)
• M12: 11,335,031 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.4

Radius: 9.8

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.23 AU - 4.39 AU

Year: 5133 Days

Day: 7 Hours

Environment

Temp: -223 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,991,211 km

• M1: 128,205 km (0.102 R)
• M2: 443,707 km (0.1 R)
• M3: 871,408 km (0.072 R)
• M4: 1,212,940 km (0.06 R)
• M5: 2,072,230 km (0.078 R)
• M6: 3,377,471 km (0.101 R)
• M7: 5,192,243 km (0.104 R)
• M8: 6,406,828 km (0.12 R)
• M9: 7,221,239 km (0.062 R)
• M10: 7,951,426 km (0.104 R)
• M11: 9,304,539 km (0.073 R)
• M12: 10,712,704 km (0.114 R)
• M13: 12,563,379 km (0.069 R)
• M14: 14,789,245 km (0.092 R)
• M15: 19,313,384 km (0.117 R)
• M16: 23,805,360 km (0.089 R)
• M17: 26,250,686 km (0.109 R)
• M18: 32,404,395 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.3

Radius: 5.6

Gravity: 25.14 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.56 AU - 10.66 AU

Year: 17439 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 70.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,991,211 km

• M1: 81,082 km (0.102 R)
• M2: 256,560 km (0.054 R)
• M3: 500,704 km (0.109 R)
• M4: 792,270 km (0.052 R)
• M5: 1,303,745 km (0.114 R)
• M6: 1,631,664 km (0.112 R)
• M7: 1,879,847 km (0.103 R)
• M8: 2,299,020 km (0.03 R)
• M9: 3,349,945 km (0.116 R)
• M10: 3,605,009 km (0.053 R)
• M11: 3,965,391 km (0.086 R)
• M12: 4,482,700 km (0.094 R)
• M13: 4,792,817 km (0.081 R)
• M14: 5,228,595 km (0.071 R)
• M15: 5,533,476 km (0.082 R)
• M16: 6,347,737 km (0.09 R)
• M17: 6,828,245 km (0.076 R)
• M18: 7,812,450 km (0.075 R)
• M19: 9,713,988 km (0.104 R)
• M20: 13,044,037 km (0.042 R)
• M21: 15,617,270 km (0.091 R)
• M22: 22,034,570 km (0.104 R)
• M23: 23,132,618 km (0.071 R)
• M24: 24,266,719 km (0.07 R)
• M25: 27,433,258 km (0.092 R)
• M26: 27,890,578 km (0.065 R)
• M27: 36,877,222 km (0.103 R)
• M28: 47,288,485 km (0.075 R)
• M29: 48,609,285 km (0.067 R)
• M30: 51,151,551 km (0.093 R)
• M31: 51,497,122 km (0.049 R)
• M32: 52,718,738 km (0.111 R)
• M33: 54,138,422 km (0.078 R)
• M34: 56,868,733 km (0.12 R)
• M35: 69,551,341 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.7

Radius: 7.3

Gravity: 13.9 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.22 AU - 11.38 AU

Year: 19577 Days

Day: 20.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,991,211 km

• M1: 109,954 km (0.114 R)
• M2: 340,036 km (0.08 R)
• M3: 635,043 km (0.094 R)
• M4: 1,026,391 km (0.117 R)
• M5: 1,889,720 km (0.032 R)
• M6: 2,879,609 km (0.062 R)
• M7: 3,387,943 km (0.078 R)
• M8: 6,333,824 km (0.094 R)
• M9: 8,125,857 km (0.115 R)
• M10: 9,027,783 km (0.042 R)
• M11: 16,951,683 km (0.093 R)
• M12: 17,289,475 km (0.025 R)
• M13: 19,319,518 km (0.082 R)
• M14: 25,243,593 km (0.098 R)
• M15: 35,610,277 km (0.106 R)
• M16: 45,669,986 km (0.118 R)
• M17: 51,962,072 km (0.104 R)
• M18: 53,394,622 km (0.09 R)
• M19: 60,363,638 km (0.077 R)
• M20: 62,546,720 km (0.104 R)
• M21: 67,069,812 km (0.111 R)
• M22: 70,928,988 km (0.083 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: 303 - 11,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit