🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.5

Radius: 8.4

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.69 AU - 0.73 AU

Year: 413 Days

Day: 11.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,966,594 km

• M1: 104,419 km (0.074 R)
• M2: 384,915 km (0.064 R)
• M3: 876,943 km (0.081 R)
• M4: 1,267,992 km (0.083 R)
• M5: 1,536,520 km (0.108 R)
• M6: 2,008,052 km (0.081 R)
• M7: 3,420,855 km (0.085 R)
• M8: 3,949,683 km (0.118 R)
• M9: 4,326,969 km (0.102 R)
• M10: 5,674,098 km (0.083 R)
• M11: 6,173,755 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.4

Radius: 8.2

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.67 AU - 0.79 AU

Year: 431 Days

Day: 13.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 91,966,594 km

• M1: 102,026 km (0.085 R)
• M2: 411,544 km (0.111 R)
• M3: 827,127 km (0.054 R)
• M4: 1,381,387 km (0.074 R)
• M5: 2,276,132 km (0.083 R)
• M6: 3,441,948 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.1

Radius: 11

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.62 AU - 1 AU

Year: 503 Days

Day: 14.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 91,966,594 km

• M1: 136,882 km (0.097 R)
• M2: 499,058 km (0.107 R)
• M3: 1,018,313 km (0.054 R)
• M4: 1,547,141 km (0.11 R)
• M5: 2,430,217 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.2

Radius: 13.5

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.75 AU - 0.89 AU

Year: 513 Days

Day: 6.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,966,594 km

• M1: 167,849 km (0.097 R)
• M2: 602,730 km (0.033 R)
• M3: 1,056,909 km (0.064 R)
• M4: 1,627,924 km (0.08 R)
• M5: 2,053,680 km (0.105 R)
• M6: 2,483,025 km (0.075 R)
• M7: 4,049,166 km (0.08 R)
• M8: 5,655,548 km (0.114 R)
• M9: 6,354,170 km (0.048 R)
• M10: 7,025,116 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230

Radius: 11.9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.16 AU - 1.22 AU

Year: 896 Days

Day: 14.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,966,594 km

• M1: 148,102 km (0.117 R)
• M2: 624,422 km (0.101 R)
• M3: 1,059,901 km (0.115 R)
• M4: 1,535,921 km (0.101 R)
• M5: 2,101,102 km (0.101 R)
• M6: 3,102,809 km (0.083 R)
• M7: 3,864,412 km (0.093 R)
• M8: 4,458,316 km (0.062 R)
• M9: 5,776,123 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.1

Radius: 14.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.95 AU - 2.47 AU

Year: 2268 Days

Day: 10.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,966,594 km

• M1: 182,809 km (0.056 R)
• M2: 852,857 km (0.084 R)
• M3: 1,327,382 km (0.108 R)
• M4: 1,786,199 km (0.107 R)
• M5: 4,953,933 km (0.11 R)
• M6: 8,195,570 km (0.078 R)
• M7: 9,051,419 km (0.117 R)
• M8: 10,909,275 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.7

Radius: 4.9

Gravity: 39.97 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 8.55 AU - 11.83 AU

Year: 22453 Days

Day: 22.9 Hours

Environment

Temp: -245 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 91,966,594 km

• M1: 61,186 km (0.086 R)
• M2: 287,078 km (0.119 R)
• M3: 691,292 km (0.092 R)
• M4: 1,053,019 km (0.11 R)
• M5: 1,676,244 km (0.049 R)
• M6: 2,493,049 km (0.116 R)
• M7: 2,694,258 km (0.071 R)
• M8: 3,158,011 km (0.076 R)
• M9: 3,454,664 km (0.11 R)
• M10: 3,967,784 km (0.11 R)
• M11: 4,641,124 km (0.117 R)
• M12: 4,946,454 km (0.078 R)
• M13: 5,429,206 km (0.076 R)
• M14: 6,725,172 km (0.104 R)
• M15: 8,324,673 km (0.044 R)
• M16: 9,242,007 km (0.074 R)
• M17: 11,618,219 km (0.079 R)
• M18: 17,807,981 km (0.117 R)
• M19: 18,178,984 km (0.092 R)
• M20: 18,745,062 km (0.05 R)
• M21: 20,211,869 km (0.103 R)
• M22: 24,952,626 km (0.065 R)
• M23: 26,724,313 km (0.117 R)
• M24: 29,086,763 km (0.11 R)
• M25: 31,315,173 km (0.087 R)
• M26: 33,654,883 km (0.104 R)
• M27: 35,667,124 km (0.118 R)
• M28: 36,553,492 km (0.118 R)
• M29: 41,206,883 km (0.06 R)
• M30: 56,701,931 km (0.068 R)
• M31: 57,504,374 km (0.067 R)
• M32: 59,750,138 km (0.043 R)
• M33: 60,164,673 km (0.095 R)
• M34: 71,161,014 km (0.057 R)
• M35: 75,184,599 km (0.112 R)
• M36: 76,884,629 km (0.092 R)
• M37: 80,866,027 km (0.094 R)
• M38: 88,697,475 km (0.092 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 13,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit