🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.9

Radius: 14.7

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.62 AU - 0.68 AU

Year: 362 Days

Day: 5.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 22,070,030 km

• M1: 182,958 km (0.06 R)
• M2: 661,223 km (0.081 R)
• M3: 1,243,009 km (0.119 R)
• M4: 2,033,334 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.1

Radius: 13.7

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.65 AU - 0.75 AU

Year: 404 Days

Day: 8.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,070,030 km

• M1: 170,392 km (0.117 R)
• M2: 674,986 km (0.118 R)
• M3: 1,154,746 km (0.08 R)
• M4: 1,790,537 km (0.104 R)
• M5: 2,542,715 km (0.113 R)
• M6: 3,301,625 km (0.048 R)
• M7: 3,746,230 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.3

Radius: 11.2

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.68 AU - 0.72 AU

Year: 404 Days

Day: 7.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,070,030 km

• M1: 139,575 km (0.108 R)
• M2: 524,041 km (0.078 R)
• M3: 875,596 km (0.094 R)
• M4: 1,645,876 km (0.119 R)
• M5: 2,032,586 km (0.03 R)
• M6: 2,405,085 km (0.038 R)
• M7: 2,899,356 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.6

Radius: 14.6

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.76 AU - 0.92 AU

Year: 531 Days

Day: 10.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,070,030 km

• M1: 181,612 km (0.068 R)
• M2: 639,830 km (0.1 R)
• M3: 1,251,386 km (0.07 R)
• M4: 1,720,226 km (0.085 R)
• M5: 2,242,771 km (0.064 R)
• M6: 3,260,037 km (0.111 R)
• M7: 4,692,436 km (0.054 R)
• M8: 5,236,524 km (0.091 R)
• M9: 6,008,748 km (0.062 R)
• M10: 6,773,941 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.1

Radius: 10.7

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1 AU - 1.34 AU

Year: 874 Days

Day: 14.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,070,030 km

• M1: 133,142 km (0.091 R)
• M2: 504,145 km (0.072 R)
• M3: 873,951 km (0.058 R)
• M4: 1,439,281 km (0.087 R)
• M5: 2,119,802 km (0.12 R)
• M6: 2,628,135 km (0.099 R)
• M7: 3,015,295 km (0.116 R)
• M8: 3,453,916 km (0.061 R)
• M9: 3,935,172 km (0.089 R)
• M10: 4,525,485 km (0.101 R)
• M11: 5,138,238 km (0.054 R)
• M12: 5,614,707 km (0.088 R)
• M13: 5,981,372 km (0.067 R)
• M14: 7,680,953 km (0.075 R)
• M15: 8,354,443 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.7

Radius: 8.4

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.15 AU - 1.23 AU

Year: 896 Days

Day: 9.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,070,030 km

• M1: 104,569 km (0.106 R)
• M2: 427,252 km (0.088 R)
• M3: 733,927 km (0.118 R)
• M4: 1,251,237 km (0.094 R)
• M5: 1,735,485 km (0.086 R)
• M6: 2,049,341 km (0.083 R)
• M7: 3,449,428 km (0.051 R)
• M8: 4,875,993 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.5

Radius: 10.7

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.95 AU - 2.99 AU

Year: 2680 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,070,030 km

• M1: 133,740 km (0.107 R)
• M2: 601,084 km (0.032 R)
• M3: 1,063,042 km (0.119 R)
• M4: 1,463,516 km (0.113 R)
• M5: 1,977,833 km (0.071 R)
• M6: 2,429,170 km (0.059 R)
• M7: 3,085,606 km (0.096 R)
• M8: 3,776,000 km (0.104 R)
• M9: 4,988,939 km (0.116 R)
• M10: 5,361,139 km (0.064 R)
• M11: 5,725,111 km (0.1 R)
• M12: 7,413,173 km (0.066 R)
• M13: 7,767,421 km (0.116 R)
• M14: 8,615,042 km (0.106 R)
• M15: 9,336,553 km (0.082 R)
• M16: 9,674,046 km (0.103 R)
• M17: 11,787,415 km (0.12 R)
• M18: 13,514,672 km (0.105 R)
• M19: 15,771,356 km (0.063 R)
• M20: 18,619,998 km (0.106 R)
• M21: 20,259,292 km (0.045 R)
• M22: 21,469,090 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.7

Radius: 8.3

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.65 AU - 4.47 AU

Year: 5647 Days

Day: 8.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 22,070,030 km

• M1: 103,223 km (0.092 R)
• M2: 399,426 km (0.103 R)
• M3: 1,128,118 km (0.088 R)
• M4: 1,541,008 km (0.104 R)
• M5: 2,340,459 km (0.086 R)
• M6: 2,671,818 km (0.082 R)
• M7: 3,336,631 km (0.075 R)
• M8: 3,620,119 km (0.113 R)
• M9: 4,871,804 km (0.114 R)
• M10: 5,622,187 km (0.076 R)
• M11: 6,304,503 km (0.119 R)
• M12: 6,799,223 km (0.081 R)
• M13: 7,670,182 km (0.033 R)
• M14: 8,861,131 km (0.04 R)
• M15: 10,368,030 km (0.107 R)
• M16: 10,810,840 km (0.093 R)
• M17: 12,572,953 km (0.033 R)
• M18: 13,263,048 km (0.104 R)
• M19: 13,593,659 km (0.097 R)
• M20: 15,904,498 km (0.109 R)
• M21: 16,493,614 km (0.109 R)
• M22: 18,641,241 km (0.11 R)
• M23: 19,416,906 km (0.061 R)
• M24: 21,547,030 km (0.095 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 12,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit