🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.4

Radius: 13

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.56 AU - 0.9 AU

Year: 409 Days

Day: 10.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,016,859 km

• M1: 161,715 km (0.091 R)
• M2: 576,401 km (0.095 R)
• M3: 1,011,431 km (0.076 R)
• M4: 1,657,993 km (0.107 R)
• M5: 2,119,503 km (0.073 R)
• M6: 2,767,411 km (0.059 R)
• M7: 3,267,068 km (0.03 R)
• M8: 3,757,749 km (0.088 R)
• M9: 4,197,866 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.7

Radius: 10.9

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.23 AU - 1.25 AU

Year: 906 Days

Day: 7.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,016,859 km

• M1: 136,284 km (0.045 R)
• M2: 487,839 km (0.025 R)
• M3: 860,487 km (0.073 R)
• M4: 1,416,692 km (0.102 R)
• M5: 2,100,653 km (0.112 R)
• M6: 2,553,336 km (0.1 R)
• M7: 3,411,131 km (0.083 R)
• M8: 4,056,645 km (0.078 R)
• M9: 4,588,316 km (0.048 R)
• M10: 5,260,609 km (0.115 R)
• M11: 5,630,714 km (0.119 R)
• M12: 6,144,284 km (0.079 R)
• M13: 8,026,225 km (0.059 R)
• M14: 8,677,574 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.5

Radius: 14.7

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2 AU - 2.7 AU

Year: 2363 Days

Day: 5.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,016,859 km

• M1: 182,809 km (0.114 R)
• M2: 693,835 km (0.096 R)
• M3: 1,613,413 km (0.096 R)
• M4: 2,094,071 km (0.083 R)
• M5: 3,052,844 km (0.103 R)
• M6: 6,806,105 km (0.102 R)
• M7: 9,153,894 km (0.064 R)
• M8: 9,914,150 km (0.105 R)
• M9: 10,684,430 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.8

Radius: 13.6

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.08 AU - 3.14 AU

Year: 2766 Days

Day: 12 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,016,859 km

• M1: 172,038 km (0.082 R)
• M2: 737,069 km (0.062 R)
• M3: 1,362,537 km (0.064 R)
• M4: 2,206,718 km (0.113 R)
• M5: 2,902,647 km (0.075 R)
• M6: 3,643,007 km (0.108 R)
• M7: 4,240,202 km (0.088 R)
• M8: 5,072,116 km (0.034 R)
• M9: 6,121,545 km (0.03 R)
• M10: 6,817,624 km (0.048 R)
• M11: 7,373,978 km (0.098 R)
• M12: 8,790,969 km (0.053 R)
• M13: 9,227,496 km (0.105 R)
• M14: 9,678,384 km (0.085 R)
• M15: 10,912,117 km (0.03 R)
• M16: 14,781,018 km (0.088 R)
• M17: 15,768,663 km (0.115 R)
• M18: 16,524,282 km (0.053 R)
• M19: 22,104,133 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.5

Radius: 11

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.93 AU - 5.89 AU

Year: 8255 Days

Day: 12.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,016,859 km

• M1: 136,882 km (0.093 R)
• M2: 512,822 km (0.081 R)
• M3: 1,541,307 km (0.09 R)
• M4: 1,927,868 km (0.086 R)
• M5: 2,719,240 km (0.099 R)
• M6: 3,459,750 km (0.107 R)
• M7: 3,961,501 km (0.101 R)
• M8: 4,769,031 km (0.106 R)
• M9: 9,697,084 km (0.085 R)
• M10: 13,092,357 km (0.107 R)
• M11: 23,423,137 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.2

Radius: 7.1

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.16 AU - 7.94 AU

Year: 10997 Days

Day: 23.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,016,859 km

• M1: 88,263 km (0.082 R)
• M2: 399,127 km (0.082 R)
• M3: 945,758 km (0.04 R)
• M4: 1,170,753 km (0.097 R)
• M5: 1,592,769 km (0.046 R)
• M6: 1,963,472 km (0.108 R)
• M7: 2,335,821 km (0.089 R)
• M8: 5,130,609 km (0.078 R)
• M9: 6,362,996 km (0.097 R)
• M10: 6,861,905 km (0.085 R)
• M11: 8,581,383 km (0.115 R)
• M12: 9,540,604 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.4

Radius: 4.4

Gravity: 30.96 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.44 AU - 13.02 AU

Year: 23057 Days

Day: 19.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,016,859 km

• M1: 54,753 km (0.097 R)
• M2: 308,770 km (0.027 R)
• M3: 1,289,234 km (0.06 R)
• M4: 1,509,293 km (0.101 R)
• M5: 1,925,325 km (0.089 R)
• M6: 2,577,871 km (0.077 R)
• M7: 3,169,829 km (0.096 R)
• M8: 7,196,555 km (0.093 R)
• M9: 8,570,462 km (0.111 R)
• M10: 9,404,769 km (0.096 R)
• M11: 10,850,034 km (0.098 R)
• M12: 11,959,303 km (0.096 R)
• M13: 15,019,626 km (0.075 R)
• M14: 15,575,682 km (0.078 R)
• M15: 16,393,832 km (0.098 R)
• M16: 21,016,257 km (0.098 R)
• M17: 23,676,257 km (0.114 R)
• M18: 27,014,234 km (0.048 R)
• M19: 29,038,293 km (0.117 R)
• M20: 31,161,386 km (0.055 R)
• M21: 34,742,161 km (0.117 R)
• M22: 34,879,791 km (0.111 R)
• M23: 40,995,352 km (0.037 R)
• M24: 42,079,487 km (0.115 R)
• M25: 44,628,934 km (0.039 R)
• M26: 47,110,913 km (0.096 R)
• M27: 48,128,926 km (0.073 R)
• M28: 56,046,393 km (0.067 R)
• M29: 76,007,686 km (0.095 R)
• M30: 79,538,046 km (0.078 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 17,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit