🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.6

Radius: 9.2

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.61 AU - 0.95 AU

Year: 445 Days

Day: 13.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,214,401 km

• M1: 114,442 km (0.083 R)
• M2: 531,671 km (0.117 R)
• M3: 826,229 km (0.079 R)
• M4: 1,114,055 km (0.087 R)
• M5: 1,489,995 km (0.102 R)
• M6: 2,145,981 km (0.093 R)
• M7: 2,796,134 km (0.056 R)
• M8: 3,134,375 km (0.08 R)
• M9: 3,656,770 km (0.114 R)
• M10: 4,442,309 km (0.114 R)
• M11: 4,830,665 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.6

Radius: 11.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.72 AU - 0.9 AU

Year: 471 Days

Day: 10.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,214,401 km

• M1: 140,472 km (0.086 R)
• M2: 531,222 km (0.106 R)
• M3: 923,168 km (0.089 R)
• M4: 1,287,738 km (0.098 R)
• M5: 1,729,800 km (0.115 R)
• M6: 2,290,044 km (0.096 R)
• M7: 2,846,548 km (0.029 R)
• M8: 3,445,987 km (0.111 R)
• M9: 3,974,516 km (0.12 R)
• M10: 4,474,024 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.6

Radius: 12

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.22 AU - 1.48 AU

Year: 1013 Days

Day: 6.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,214,401 km

• M1: 149,299 km (0.094 R)
• M2: 624,272 km (0.073 R)
• M3: 997,967 km (0.12 R)
• M4: 1,899,743 km (0.09 R)
• M5: 2,626,490 km (0.12 R)
• M6: 3,008,712 km (0.085 R)
• M7: 3,565,216 km (0.074 R)
• M8: 4,701,562 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198

Radius: 8.3

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.32 AU - 1.68 AU

Year: 1186 Days

Day: 12.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,214,401 km

• M1: 103,223 km (0.107 R)
• M2: 413,189 km (0.089 R)
• M3: 985,850 km (0.074 R)
• M4: 1,372,710 km (0.064 R)
• M5: 3,161,751 km (0.084 R)
• M6: 3,522,282 km (0.094 R)
• M7: 4,114,540 km (0.073 R)
• M8: 4,608,961 km (0.114 R)
• M9: 4,904,117 km (0.113 R)
• M10: 5,211,990 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.8

Radius: 9.9

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.38 AU - 2.08 AU

Year: 1469 Days

Day: 11.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 179.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,214,401 km

• M1: 123,119 km (0.095 R)
• M2: 578,345 km (0.094 R)
• M3: 1,037,611 km (0.058 R)
• M4: 1,345,483 km (0.103 R)
• M5: 1,663,678 km (0.097 R)
• M6: 3,055,537 km (0.085 R)
• M7: 3,734,262 km (0.116 R)
• M8: 4,702,459 km (0.083 R)
• M9: 5,507,894 km (0.109 R)
• M10: 7,415,118 km (0.103 R)
• M11: 8,138,872 km (0.085 R)
• M12: 9,129,808 km (0.066 R)
• M13: 9,525,046 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.5

Radius: 10.8

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.08 AU - 4.58 AU

Year: 5818 Days

Day: 11.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,214,401 km

• M1: 134,339 km (0.067 R)
• M2: 644,019 km (0.081 R)
• M3: 1,176,737 km (0.077 R)
• M4: 1,712,596 km (0.115 R)
• M5: 5,749,046 km (0.117 R)
• M6: 6,691,214 km (0.116 R)
• M7: 9,652,653 km (0.058 R)
• M8: 11,155,214 km (0.108 R)
• M9: 11,734,307 km (0.083 R)
• M10: 15,258,085 km (0.104 R)
• M11: 23,578,420 km (0.083 R)
• M12: 24,162,599 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.5

Radius: 4.1

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.62 AU - 11.82 AU

Year: 22662 Days

Day: 23.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,214,401 km

• M1: 54,902 km (0.075 R)
• M2: 264,639 km (0.118 R)
• M3: 1,109,119 km (0.082 R)
• M4: 1,472,043 km (0.091 R)
• M5: 2,409,423 km (0.054 R)
• M6: 2,636,214 km (0.096 R)
• M7: 2,832,187 km (0.117 R)
• M8: 5,361,887 km (0.112 R)
• M9: 20,394,379 km (0.082 R)
• M10: 24,797,792 km (0.097 R)
• M11: 31,561,112 km (0.062 R)
• M12: 34,459,122 km (0.101 R)
• M13: 37,529,618 km (0.085 R)
• M14: 37,909,896 km (0.105 R)
• M15: 40,510,954 km (0.037 R)
• M16: 43,926,423 km (0.105 R)
• M17: 44,490,108 km (0.069 R)
• M18: 44,916,013 km (0.095 R)
• M19: 51,479,170 km (0.06 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 15,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit