🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546

Radius: 9.5

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.61 AU - 0.65 AU

Year: 333 Days

Day: 14.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,261,507 km

• M1: 118,182 km (0.114 R)
• M2: 416,181 km (0.112 R)
• M3: 713,283 km (0.088 R)
• M4: 1,737,430 km (0.092 R)
• M5: 2,609,735 km (0.089 R)
• M6: 3,041,774 km (0.108 R)
• M7: 3,703,295 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.5

Radius: 10.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.5 AU - 0.78 AU

Year: 341 Days

Day: 5.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,261,507 km

• M1: 126,859 km (0.119 R)
• M2: 546,331 km (0.044 R)
• M3: 1,113,906 km (0.093 R)
• M4: 1,520,513 km (0.056 R)
• M5: 2,451,012 km (0.082 R)
• M6: 2,970,266 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.8

Radius: 10.5

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.85 AU - 1.03 AU

Year: 608 Days

Day: 8 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,261,507 km

• M1: 130,599 km (0.074 R)
• M2: 609,312 km (0.052 R)
• M3: 1,083,238 km (0.098 R)
• M4: 1,467,256 km (0.094 R)
• M5: 1,812,827 km (0.116 R)
• M6: 2,158,996 km (0.111 R)
• M7: 2,499,631 km (0.099 R)
• M8: 2,987,619 km (0.07 R)
• M9: 3,666,943 km (0.112 R)
• M10: 4,490,778 km (0.072 R)
• M11: 5,281,702 km (0.108 R)
• M12: 5,623,085 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.4

Radius: 14.9

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.25 AU - 1.37 AU

Year: 1000 Days

Day: 10.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,261,507 km

• M1: 187,147 km (0.114 R)
• M2: 709,692 km (0.034 R)
• M3: 1,176,288 km (0.074 R)
• M4: 1,720,076 km (0.107 R)
• M5: 2,537,928 km (0.117 R)
• M6: 3,364,606 km (0.051 R)
• M7: 4,045,874 km (0.087 R)
• M8: 4,751,378 km (0.111 R)
• M9: 6,070,382 km (0.066 R)
• M10: 6,869,085 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.6

Radius: 8.4

Gravity: 12.65 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.43 AU - 1.69 AU

Year: 1299 Days

Day: 10.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,261,507 km

• M1: 104,419 km (0.071 R)
• M2: 400,174 km (0.117 R)
• M3: 670,946 km (0.093 R)
• M4: 1,376,450 km (0.06 R)
• M5: 1,740,422 km (0.091 R)
• M6: 2,021,815 km (0.065 R)
• M7: 2,572,335 km (0.107 R)
• M8: 2,883,349 km (0.076 R)
• M9: 3,663,801 km (0.113 R)
• M10: 3,988,130 km (0.046 R)
• M11: 4,616,889 km (0.076 R)
• M12: 5,931,256 km (0.099 R)
• M13: 6,850,984 km (0.06 R)
• M14: 7,265,520 km (0.111 R)
• M15: 8,003,037 km (0.05 R)
• M16: 9,001,453 km (0.028 R)
• M17: 10,823,556 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.9

Radius: 13.3

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.31 AU - 1.89 AU

Year: 1350 Days

Day: 13.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,261,507 km

• M1: 165,605 km (0.061 R)
• M2: 815,907 km (0.074 R)
• M3: 1,481,617 km (0.098 R)
• M4: 2,233,646 km (0.069 R)
• M5: 2,649,229 km (0.108 R)
• M6: 3,518,991 km (0.062 R)
• M7: 4,753,472 km (0.09 R)
• M8: 5,552,175 km (0.071 R)
• M9: 6,125,883 km (0.105 R)
• M10: 6,576,173 km (0.072 R)
• M11: 7,317,879 km (0.079 R)
• M12: 8,770,923 km (0.09 R)
• M13: 9,285,839 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.3

Radius: 8.3

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.88 AU - 2.98 AU

Year: 3344 Days

Day: 5.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,261,507 km

• M1: 103,372 km (0.111 R)
• M2: 539,899 km (0.11 R)
• M3: 814,710 km (0.108 R)
• M4: 1,143,975 km (0.093 R)
• M5: 2,003,415 km (0.117 R)
• M6: 2,342,553 km (0.102 R)
• M7: 2,659,401 km (0.096 R)
• M8: 3,054,041 km (0.097 R)
• M9: 4,541,941 km (0.065 R)
• M10: 5,037,110 km (0.088 R)
• M11: 5,950,854 km (0.118 R)
• M12: 6,269,796 km (0.108 R)
• M13: 6,684,332 km (0.087 R)
• M14: 7,265,669 km (0.055 R)
• M15: 7,754,555 km (0.097 R)
• M16: 8,265,133 km (0.039 R)
• M17: 9,932,251 km (0.109 R)
• M18: 12,105,011 km (0.081 R)
• M19: 14,528,646 km (0.084 R)
• M20: 15,304,760 km (0.049 R)
• M21: 15,652,874 km (0.092 R)
• M22: 17,045,331 km (0.115 R)
• M23: 17,635,644 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.5

Radius: 10.1

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.78 AU - 5.9 AU

Year: 8229 Days

Day: 13.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,261,507 km

• M1: 125,662 km (0.11 R)
• M2: 442,959 km (0.115 R)
• M3: 798,853 km (0.09 R)
• M4: 2,289,446 km (0.077 R)
• M5: 2,908,183 km (0.106 R)
• M6: 3,349,048 km (0.075 R)
• M7: 3,936,818 km (0.089 R)
• M8: 4,310,513 km (0.08 R)
• M9: 5,037,260 km (0.116 R)
• M10: 6,224,618 km (0.025 R)
• M11: 6,884,195 km (0.086 R)
• M12: 7,549,157 km (0.119 R)
• M13: 8,871,303 km (0.06 R)
• M14: 13,459,620 km (0.108 R)
• M15: 16,530,714 km (0.077 R)
• M16: 17,793,919 km (0.069 R)
• M17: 21,639,332 km (0.115 R)
• M18: 22,554,123 km (0.036 R)
• M19: 24,371,737 km (0.046 R)
• M20: 25,361,925 km (0.068 R)
• M21: 28,790,260 km (0.042 R)
• M22: 30,100,588 km (0.089 R)
• M23: 30,718,576 km (0.092 R)
• M24: 31,345,092 km (0.092 R)
• M25: 40,907,687 km (0.106 R)
• M26: 42,691,642 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 17,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit