🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.8

Radius: 13.6

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.61 AU - 0.77 AU

Year: 376 Days

Day: 10.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 119.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,603,951 km

• M1: 170,093 km (0.107 R)
• M2: 657,483 km (0.064 R)
• M3: 1,141,133 km (0.056 R)
• M4: 1,585,438 km (0.106 R)
• M5: 2,893,672 km (0.087 R)
• M6: 3,537,990 km (0.109 R)
• M7: 4,770,826 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.8

Radius: 12.5

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.63 AU - 0.99 AU

Year: 478 Days

Day: 9.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,603,951 km

• M1: 155,432 km (0.097 R)
• M2: 547,079 km (0.102 R)
• M3: 1,002,156 km (0.078 R)
• M4: 1,405,173 km (0.05 R)
• M5: 1,926,970 km (0.107 R)
• M6: 2,381,299 km (0.065 R)
• M7: 2,834,880 km (0.037 R)
• M8: 3,380,762 km (0.033 R)
• M9: 3,791,558 km (0.079 R)
• M10: 4,584,576 km (0.118 R)
• M11: 5,404,672 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.2

Radius: 13.8

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.48 AU - 1.78 AU

Year: 1365 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,603,951 km

• M1: 176,077 km (0.117 R)
• M2: 701,764 km (0.077 R)
• M3: 1,393,205 km (0.065 R)
• M4: 1,879,398 km (0.106 R)
• M5: 2,668,826 km (0.112 R)
• M6: 3,221,889 km (0.105 R)
• M7: 3,735,309 km (0.106 R)
• M8: 4,213,723 km (0.072 R)
• M9: 4,810,619 km (0.112 R)
• M10: 6,848,142 km (0.063 R)
• M11: 7,542,725 km (0.07 R)
• M12: 8,312,256 km (0.069 R)
• M13: 9,595,357 km (0.042 R)
• M14: 10,869,931 km (0.112 R)
• M15: 12,402,860 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.9

Radius: 10.7

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.79 AU - 2.71 AU

Year: 2214 Days

Day: 12.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,603,951 km

• M1: 133,142 km (0.077 R)
• M2: 642,373 km (0.103 R)
• M3: 1,198,429 km (0.071 R)
• M4: 1,697,188 km (0.048 R)
• M5: 2,186,522 km (0.073 R)
• M6: 2,629,332 km (0.079 R)
• M7: 3,288,610 km (0.1 R)
• M8: 5,290,379 km (0.109 R)
• M9: 5,703,868 km (0.089 R)
• M10: 7,734,060 km (0.105 R)
• M11: 9,350,017 km (0.119 R)
• M12: 11,280,727 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.4

Radius: 8.7

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.56 AU - 3.96 AU

Year: 4783 Days

Day: 7 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 28,603,951 km

• M1: 109,805 km (0.112 R)
• M2: 445,652 km (0.077 R)
• M3: 747,690 km (0.093 R)
• M4: 1,619,995 km (0.092 R)
• M5: 2,043,806 km (0.102 R)
• M6: 2,438,296 km (0.094 R)
• M7: 5,338,849 km (0.031 R)
• M8: 6,059,312 km (0.087 R)
• M9: 6,574,677 km (0.075 R)
• M10: 6,877,164 km (0.113 R)
• M11: 7,259,536 km (0.063 R)
• M12: 8,143,360 km (0.097 R)
• M13: 8,532,165 km (0.045 R)
• M14: 10,989,310 km (0.06 R)
• M15: 12,354,091 km (0.048 R)
• M16: 13,024,589 km (0.065 R)
• M17: 13,773,775 km (0.111 R)
• M18: 14,214,490 km (0.118 R)
• M19: 14,494,837 km (0.101 R)
• M20: 16,376,778 km (0.086 R)
• M21: 17,568,176 km (0.083 R)
• M22: 17,891,157 km (0.033 R)
• M23: 18,218,029 km (0.085 R)
• M24: 18,883,739 km (0.068 R)
• M25: 19,703,984 km (0.118 R)
• M26: 20,334,539 km (0.106 R)
• M27: 23,534,438 km (0.099 R)
• M28: 27,572,683 km (0.03 R)
• M29: 29,709,539 km (0.092 R)
• M30: 31,477,786 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.1

Radius: 12.1

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.34 AU - 4.8 AU

Year: 5386 Days

Day: 9.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,603,951 km

• M1: 151,842 km (0.053 R)
• M2: 591,510 km (0.095 R)
• M3: 983,307 km (0.102 R)
• M4: 1,657,993 km (0.062 R)
• M5: 2,364,843 km (0.098 R)
• M6: 2,826,652 km (0.116 R)
• M7: 3,306,113 km (0.069 R)
• M8: 3,839,579 km (0.104 R)
• M9: 4,482,102 km (0.112 R)
• M10: 5,137,640 km (0.111 R)
• M11: 6,240,026 km (0.053 R)
• M12: 7,129,835 km (0.06 R)
• M13: 9,289,130 km (0.088 R)
• M14: 11,209,069 km (0.07 R)
• M15: 12,005,678 km (0.079 R)
• M16: 12,893,242 km (0.073 R)
• M17: 14,916,553 km (0.112 R)
• M18: 15,514,346 km (0.087 R)
• M19: 16,630,496 km (0.11 R)
• M20: 17,273,318 km (0.104 R)
• M21: 20,228,175 km (0.102 R)
• M22: 21,109,606 km (0.113 R)
• M23: 21,787,284 km (0.058 R)
• M24: 22,713,295 km (0.059 R)
• M25: 29,383,864 km (0.101 R)
• M26: 31,478,085 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.8

Radius: 13.2

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.76 AU - 6.36 AU

Year: 8600 Days

Day: 14.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,603,951 km

• M1: 174,282 km (0.068 R)
• M2: 624,721 km (0.088 R)
• M3: 1,332,019 km (0.105 R)
• M4: 1,838,259 km (0.116 R)
• M5: 2,670,322 km (0.096 R)
• M6: 3,116,872 km (0.036 R)
• M7: 4,422,263 km (0.051 R)
• M8: 5,293,670 km (0.025 R)
• M9: 6,154,905 km (0.089 R)
• M10: 8,489,978 km (0.073 R)
• M11: 9,385,621 km (0.093 R)
• M12: 9,960,825 km (0.081 R)
• M13: 11,001,876 km (0.095 R)
• M14: 11,688,680 km (0.062 R)
• M15: 13,764,350 km (0.064 R)
• M16: 16,840,532 km (0.12 R)
• M17: 19,479,139 km (0.095 R)
• M18: 21,314,256 km (0.082 R)
• M19: 21,950,795 km (0.09 R)
• M20: 25,090,704 km (0.077 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 16,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit