🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.9

Radius: 11.3

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.43 AU - 0.67 AU

Year: 277 Days

Day: 13.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,520,013 km

• M1: 140,622 km (0.088 R)
• M2: 496,815 km (0.085 R)
• M3: 866,920 km (0.037 R)
• M4: 1,273,975 km (0.088 R)
• M5: 1,871,619 km (0.077 R)
• M6: 2,384,889 km (0.057 R)
• M7: 2,775,041 km (0.094 R)
• M8: 3,147,689 km (0.113 R)
• M9: 3,697,162 km (0.108 R)
• M10: 4,162,411 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.7

Radius: 14.4

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.63 AU - 0.93 AU

Year: 467 Days

Day: 11.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,520,013 km

• M1: 179,966 km (0.114 R)
• M2: 688,749 km (0.09 R)
• M3: 1,314,816 km (0.114 R)
• M4: 2,106,039 km (0.053 R)
• M5: 2,606,892 km (0.033 R)
• M6: 3,372,534 km (0.093 R)
• M7: 3,841,673 km (0.03 R)
• M8: 4,354,495 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.8

Radius: 10.8

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.58 AU - 2.96 AU

Year: 3127 Days

Day: 12.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,520,013 km

• M1: 134,339 km (0.116 R)
• M2: 482,004 km (0.104 R)
• M3: 920,177 km (0.118 R)
• M4: 1,257,669 km (0.082 R)
• M5: 1,614,311 km (0.056 R)
• M6: 2,013,887 km (0.082 R)
• M7: 2,450,264 km (0.114 R)
• M8: 2,916,261 km (0.084 R)
• M9: 3,945,943 km (0.076 R)
• M10: 5,008,387 km (0.12 R)
• M11: 7,066,555 km (0.074 R)
• M12: 7,594,785 km (0.11 R)
• M13: 8,556,699 km (0.104 R)
• M14: 11,461,890 km (0.056 R)
• M15: 11,801,626 km (0.112 R)
• M16: 12,680,813 km (0.111 R)
• M17: 13,936,089 km (0.071 R)
• M18: 15,736,350 km (0.117 R)
• M19: 18,429,111 km (0.065 R)
• M20: 19,014,189 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.8

Radius: 10.5

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.72 AU - 3.04 AU

Year: 3315 Days

Day: 12.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,520,013 km

• M1: 130,599 km (0.03 R)
• M2: 628,760 km (0.063 R)
• M3: 1,648,868 km (0.114 R)
• M4: 2,494,245 km (0.108 R)
• M5: 3,525,872 km (0.081 R)
• M6: 4,435,726 km (0.077 R)
• M7: 5,883,535 km (0.063 R)
• M8: 7,863,462 km (0.109 R)
• M9: 8,466,192 km (0.094 R)
• M10: 9,061,442 km (0.086 R)
• M11: 11,059,023 km (0.12 R)
• M12: 12,230,673 km (0.076 R)
• M13: 14,140,440 km (0.117 R)
• M14: 15,247,464 km (0.037 R)
• M15: 15,574,036 km (0.069 R)
• M16: 16,016,846 km (0.04 R)
• M17: 16,582,176 km (0.118 R)
• M18: 17,160,671 km (0.077 R)
• M19: 17,633,251 km (0.066 R)
• M20: 20,454,517 km (0.103 R)
• M21: 20,919,018 km (0.05 R)
• M22: 22,145,571 km (0.105 R)

Asteroid Belt

Center: 3.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.2

Radius: 13.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.72 AU - 4.32 AU

Year: 4479 Days

Day: 10.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,520,013 km

• M1: 171,888 km (0.089 R)
• M2: 654,042 km (0.067 R)
• M3: 1,328,429 km (0.046 R)
• M4: 2,008,501 km (0.078 R)
• M5: 2,913,568 km (0.088 R)
• M6: 3,898,969 km (0.111 R)
• M7: 4,838,743 km (0.086 R)
• M8: 6,070,831 km (0.056 R)
• M9: 6,776,784 km (0.072 R)
• M10: 7,367,097 km (0.107 R)
• M11: 8,316,594 km (0.097 R)
• M12: 10,289,042 km (0.044 R)
• M13: 10,718,388 km (0.067 R)
• M14: 11,294,340 km (0.083 R)
• M15: 12,849,709 km (0.109 R)
• M16: 13,704,661 km (0.12 R)
• M17: 15,640,308 km (0.096 R)
• M18: 16,850,405 km (0.12 R)
• M19: 17,508,785 km (0.118 R)
• M20: 18,434,048 km (0.112 R)
• M21: 23,779,479 km (0.054 R)
• M22: 24,760,991 km (0.117 R)
• M23: 25,769,131 km (0.089 R)
• M24: 26,323,391 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.4

Radius: 12.2

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.79 AU - 5.33 AU

Year: 7720 Days

Day: 6.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 159.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,520,013 km

• M1: 152,440 km (0.044 R)
• M2: 537,056 km (0.06 R)
• M3: 973,433 km (0.054 R)
• M4: 1,410,858 km (0.089 R)
• M5: 2,423,635 km (0.088 R)
• M6: 3,655,424 km (0.118 R)
• M7: 4,457,269 km (0.093 R)
• M8: 5,102,035 km (0.047 R)
• M9: 7,001,330 km (0.048 R)
• M10: 10,999,931 km (0.089 R)
• M11: 12,895,336 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.7

Radius: 5.7

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.43 AU - 10.89 AU

Year: 21965 Days

Day: 20.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,520,013 km

• M1: 71,059 km (0.079 R)
• M2: 500,554 km (0.088 R)
• M3: 732,282 km (0.083 R)
• M4: 1,123,330 km (0.039 R)
• M5: 1,419,085 km (0.102 R)
• M6: 1,627,475 km (0.107 R)
• M7: 2,444,878 km (0.111 R)
• M8: 2,722,083 km (0.073 R)
• M9: 2,994,501 km (0.075 R)
• M10: 4,015,057 km (0.106 R)
• M11: 8,438,816 km (0.066 R)
• M12: 10,316,718 km (0.05 R)
• M13: 10,494,739 km (0.032 R)
• M14: 12,256,554 km (0.09 R)
• M15: 14,799,568 km (0.048 R)
• M16: 17,337,496 km (0.075 R)
• M17: 22,550,981 km (0.064 R)
• M18: 31,003,560 km (0.068 R)
• M19: 34,187,901 km (0.107 R)
• M20: 42,705,854 km (0.104 R)
• M21: 52,010,991 km (0.107 R)
• M22: 53,593,587 km (0.104 R)
• M23: 53,771,459 km (0.096 R)
• M24: 62,974,869 km (0.045 R)
• M25: 63,172,937 km (0.097 R)
• M26: 65,378,608 km (0.08 R)
• M27: 70,368,146 km (0.087 R)
• M28: 71,223,696 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 12,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit