🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.1

Radius: 9.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.07 AU - 1.13 AU

Year: 782 Days

Day: 11.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,094,158 km

• M1: 125,812 km (0.106 R)
• M2: 547,079 km (0.107 R)
• M3: 942,467 km (0.119 R)
• M4: 1,666,819 km (0.12 R)
• M5: 2,480,781 km (0.105 R)
• M6: 3,365,354 km (0.051 R)
• M7: 3,948,486 km (0.077 R)
• M8: 5,085,131 km (0.113 R)
• M9: 5,800,209 km (0.114 R)
• M10: 6,332,029 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.9

Radius: 11.7

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.95 AU - 1.27 AU

Year: 793 Days

Day: 8.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,094,158 km

• M1: 145,858 km (0.102 R)
• M2: 519,404 km (0.032 R)
• M3: 1,203,066 km (0.065 R)
• M4: 1,932,356 km (0.059 R)
• M5: 2,319,066 km (0.112 R)
• M6: 3,058,379 km (0.054 R)
• M7: 3,489,969 km (0.111 R)
• M8: 4,056,346 km (0.094 R)
• M9: 4,895,890 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658

Radius: 11.9

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.95 AU - 1.37 AU

Year: 847 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,094,158 km

• M1: 147,952 km (0.091 R)
• M2: 595,400 km (0.111 R)
• M3: 965,953 km (0.107 R)
• M4: 1,507,199 km (0.055 R)
• M5: 3,096,826 km (0.099 R)
• M6: 3,934,873 km (0.055 R)
• M7: 4,556,901 km (0.107 R)
• M8: 5,280,506 km (0.087 R)
• M9: 5,699,529 km (0.072 R)
• M10: 6,306,897 km (0.086 R)
• M11: 6,735,345 km (0.115 R)
• M12: 7,941,702 km (0.103 R)
• M13: 8,391,094 km (0.073 R)
• M14: 9,124,273 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.9

Radius: 8.7

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.54 AU - 3.46 AU

Year: 3524 Days

Day: 8.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,094,158 km

• M1: 108,159 km (0.092 R)
• M2: 531,671 km (0.097 R)
• M3: 977,173 km (0.112 R)
• M4: 1,352,814 km (0.107 R)
• M5: 2,707,273 km (0.095 R)
• M6: 3,181,947 km (0.113 R)
• M7: 3,573,444 km (0.065 R)
• M8: 3,852,145 km (0.097 R)
• M9: 4,275,507 km (0.068 R)
• M10: 4,753,323 km (0.102 R)
• M11: 6,345,194 km (0.106 R)
• M12: 7,532,702 km (0.103 R)
• M13: 8,094,292 km (0.119 R)
• M14: 10,025,451 km (0.098 R)
• M15: 10,381,494 km (0.117 R)
• M16: 10,952,060 km (0.115 R)
• M17: 12,289,914 km (0.033 R)
• M18: 13,685,363 km (0.12 R)
• M19: 14,421,235 km (0.106 R)
• M20: 14,722,974 km (0.092 R)
• M21: 15,235,047 km (0.111 R)
• M22: 16,458,159 km (0.119 R)
• M23: 17,121,626 km (0.092 R)
• M24: 18,033,874 km (0.049 R)
• M25: 19,893,076 km (0.085 R)
• M26: 20,645,853 km (0.111 R)
• M27: 20,965,094 km (0.032 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329

Radius: 5.5

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.55 AU - 6.75 AU

Year: 9109 Days

Day: 18.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,094,158 km

• M1: 69,862 km (0.045 R)
• M2: 260,300 km (0.103 R)
• M3: 1,047,783 km (0.113 R)
• M4: 1,322,146 km (0.061 R)
• M5: 2,172,759 km (0.088 R)
• M6: 3,276,493 km (0.071 R)
• M7: 6,588,141 km (0.113 R)
• M8: 10,515,085 km (0.115 R)
• M9: 13,763,602 km (0.051 R)
• M10: 17,557,853 km (0.117 R)
• M11: 19,266,859 km (0.04 R)
• M12: 20,934,427 km (0.117 R)
• M13: 28,568,705 km (0.113 R)
• M14: 29,495,913 km (0.079 R)
• M15: 29,872,451 km (0.108 R)
• M16: 31,508,304 km (0.06 R)
• M17: 34,020,949 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.6

Radius: 7

Gravity: 18.99 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.46 AU - 8.28 AU

Year: 12213 Days

Day: 16.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,094,158 km

• M1: 87,216 km (0.105 R)
• M2: 389,852 km (0.103 R)
• M3: 689,048 km (0.117 R)
• M4: 1,822,551 km (0.107 R)
• M5: 2,384,590 km (0.063 R)
• M6: 4,936,431 km (0.108 R)
• M7: 5,754,880 km (0.083 R)
• M8: 6,137,701 km (0.118 R)
• M9: 7,126,095 km (0.115 R)
• M10: 7,934,073 km (0.065 R)
• M11: 9,730,893 km (0.091 R)
• M12: 10,553,980 km (0.074 R)
• M13: 13,566,433 km (0.115 R)
• M14: 14,313,823 km (0.072 R)
• M15: 21,220,458 km (0.038 R)
• M16: 21,673,889 km (0.117 R)
• M17: 23,264,264 km (0.099 R)
• M18: 23,746,418 km (0.107 R)
• M19: 26,675,395 km (0.079 R)
• M20: 27,203,625 km (0.03 R)
• M21: 41,363,213 km (0.093 R)
• M22: 41,928,693 km (0.088 R)
• M23: 55,881,387 km (0.102 R)
• M24: 56,745,913 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.6

Radius: 3.2

Gravity: 36.68 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.5 AU - 10.92 AU

Year: 18957 Days

Day: 18.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,094,158 km

• M1: 40,092 km (0.098 R)
• M2: 177,872 km (0.088 R)
• M3: 407,804 km (0.079 R)
• M4: 588,069 km (0.083 R)
• M5: 799,451 km (0.116 R)
• M6: 1,107,473 km (0.1 R)
• M7: 1,288,786 km (0.115 R)
• M8: 1,581,549 km (0.106 R)
• M9: 2,198,042 km (0.084 R)
• M10: 2,400,148 km (0.083 R)
• M11: 4,209,235 km (0.076 R)
• M12: 4,715,325 km (0.095 R)
• M13: 5,847,182 km (0.09 R)
• M14: 6,000,371 km (0.088 R)
• M15: 8,147,549 km (0.104 R)
• M16: 8,483,845 km (0.107 R)
• M17: 17,148,703 km (0.083 R)
• M18: 17,700,570 km (0.117 R)
• M19: 30,672,500 km (0.039 R)
• M20: 31,955,152 km (0.102 R)
• M21: 33,638,727 km (0.07 R)
• M22: 40,548,054 km (0.083 R)
• M23: 45,744,037 km (0.037 R)
• M24: 48,970,863 km (0.086 R)
• M25: 50,720,260 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 13,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit