🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.7

Radius: 13.3

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.46 AU - 0.76 AU

Year: 335 Days

Day: 12.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,145,608 km

• M1: 165,455 km (0.11 R)
• M2: 651,200 km (0.119 R)
• M3: 1,120,488 km (0.07 R)
• M4: 1,866,084 km (0.087 R)
• M5: 2,417,651 km (0.113 R)
• M6: 3,192,867 km (0.097 R)
• M7: 3,841,973 km (0.044 R)
• M8: 4,283,286 km (0.081 R)
• M9: 4,702,459 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.7

Radius: 9.9

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.73 AU - 0.79 AU

Year: 466 Days

Day: 13.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,145,608 km

• M1: 123,119 km (0.108 R)
• M2: 513,719 km (0.089 R)
• M3: 915,090 km (0.103 R)
• M4: 1,267,393 km (0.047 R)
• M5: 1,941,332 km (0.117 R)
• M6: 2,289,595 km (0.061 R)
• M7: 2,634,269 km (0.116 R)
• M8: 3,063,615 km (0.074 R)
• M9: 3,572,696 km (0.097 R)
• M10: 4,112,745 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.7

Radius: 9.8

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.94 AU - 1.3 AU

Year: 833 Days

Day: 15 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,145,608 km

• M1: 121,922 km (0.061 R)
• M2: 510,129 km (0.06 R)
• M3: 848,220 km (0.096 R)
• M4: 1,372,560 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.9

Radius: 10.7

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.32 AU - 1.72 AU

Year: 1317 Days

Day: 5 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,145,608 km

• M1: 133,142 km (0.029 R)
• M2: 466,596 km (0.037 R)
• M3: 881,580 km (0.117 R)
• M4: 1,241,812 km (0.116 R)
• M5: 2,074,025 km (0.099 R)
• M6: 2,412,864 km (0.113 R)
• M7: 3,748,474 km (0.099 R)
• M8: 4,256,209 km (0.114 R)
• M9: 4,861,931 km (0.073 R)
• M10: 5,524,350 km (0.075 R)
• M11: 5,857,505 km (0.114 R)
• M12: 6,266,655 km (0.044 R)
• M13: 7,925,246 km (0.081 R)
• M14: 8,790,371 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728

Radius: 11

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.37 AU - 2.59 AU

Year: 2745 Days

Day: 14.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,145,608 km

• M1: 137,630 km (0.109 R)
• M2: 796,908 km (0.081 R)
• M3: 1,159,683 km (0.033 R)
• M4: 1,541,157 km (0.098 R)
• M5: 2,254,141 km (0.104 R)
• M6: 2,687,077 km (0.098 R)
• M7: 3,315,238 km (0.116 R)
• M8: 4,352,251 km (0.079 R)
• M9: 4,911,148 km (0.118 R)
• M10: 8,487,884 km (0.064 R)
• M11: 9,507,244 km (0.11 R)
• M12: 10,027,695 km (0.109 R)
• M13: 10,645,684 km (0.109 R)
• M14: 11,536,689 km (0.117 R)
• M15: 11,915,321 km (0.1 R)
• M16: 12,389,247 km (0.06 R)
• M17: 13,055,855 km (0.108 R)
• M18: 14,219,726 km (0.1 R)
• M19: 14,802,410 km (0.08 R)
• M20: 16,806,573 km (0.094 R)
• M21: 18,182,873 km (0.092 R)
• M22: 20,662,009 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.1

Radius: 14

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.64 AU - 3.72 AU

Year: 3986 Days

Day: 14.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,145,608 km

• M1: 175,927 km (0.113 R)
• M2: 768,484 km (0.098 R)
• M3: 2,168,870 km (0.102 R)
• M4: 3,961,501 km (0.083 R)
• M5: 4,770,676 km (0.103 R)
• M6: 10,036,372 km (0.117 R)
• M7: 11,186,181 km (0.07 R)
• M8: 11,720,694 km (0.097 R)
• M9: 12,649,398 km (0.102 R)
• M10: 13,229,837 km (0.026 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.2

Radius: 10.2

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.93 AU - 5.87 AU

Year: 8821 Days

Day: 7.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,145,608 km

• M1: 127,009 km (0.112 R)
• M2: 652,247 km (0.051 R)
• M3: 1,613,413 km (0.101 R)
• M4: 2,404,786 km (0.11 R)
• M5: 3,246,423 km (0.027 R)
• M6: 3,659,164 km (0.078 R)
• M7: 4,301,537 km (0.098 R)
• M8: 6,129,174 km (0.12 R)
• M9: 7,316,233 km (0.102 R)
• M10: 8,514,662 km (0.07 R)
• M11: 10,241,769 km (0.058 R)
• M12: 10,602,899 km (0.112 R)
• M13: 12,133,734 km (0.105 R)
• M14: 13,869,368 km (0.044 R)
• M15: 14,829,338 km (0.076 R)
• M16: 15,628,639 km (0.061 R)
• M17: 18,883,889 km (0.117 R)
• M18: 21,793,717 km (0.083 R)
• M19: 30,990,246 km (0.086 R)
• M20: 38,131,450 km (0.092 R)
• M21: 41,427,091 km (0.115 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: 172 - 13,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit