🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.3

Radius: 8.2

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.74 AU - 0.9 AU

Year: 487 Days

Day: 14.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,539,680 km

• M1: 102,026 km (0.072 R)
• M2: 401,521 km (0.098 R)
• M3: 685,158 km (0.084 R)
• M4: 965,654 km (0.106 R)
• M5: 1,270,236 km (0.078 R)
• M6: 1,542,204 km (0.066 R)
• M7: 1,822,850 km (0.087 R)
• M8: 2,154,808 km (0.079 R)
• M9: 2,432,312 km (0.073 R)
• M10: 2,805,409 km (0.096 R)
• M11: 3,412,627 km (0.105 R)
• M12: 3,817,438 km (0.097 R)
• M13: 4,842,034 km (0.112 R)
• M14: 5,148,112 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.9

Radius: 12.5

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.68 AU - 1 AU

Year: 505 Days

Day: 8.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,539,680 km

• M1: 155,432 km (0.063 R)
• M2: 682,166 km (0.088 R)
• M3: 1,080,695 km (0.056 R)
• M4: 1,481,617 km (0.043 R)
• M5: 2,286,304 km (0.045 R)
• M6: 2,997,044 km (0.062 R)
• M7: 3,481,442 km (0.12 R)
• M8: 4,682,264 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.9

Radius: 11.3

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.79 AU - 1.17 AU

Year: 636 Days

Day: 9 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,539,680 km

• M1: 141,370 km (0.095 R)
• M2: 612,603 km (0.103 R)
• M3: 1,175,390 km (0.089 R)
• M4: 1,823,598 km (0.11 R)
• M5: 2,283,761 km (0.1 R)
• M6: 3,053,741 km (0.093 R)
• M7: 3,776,897 km (0.104 R)
• M8: 4,391,595 km (0.109 R)
• M9: 4,821,091 km (0.065 R)
• M10: 5,491,289 km (0.105 R)
• M11: 6,581,409 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.4

Radius: 11.9

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.33 AU - 2.49 AU

Year: 2454 Days

Day: 13.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,539,680 km

• M1: 148,700 km (0.11 R)
• M2: 565,929 km (0.055 R)
• M3: 1,040,154 km (0.117 R)
• M4: 1,624,184 km (0.048 R)
• M5: 2,222,875 km (0.091 R)
• M6: 2,821,266 km (0.118 R)
• M7: 3,591,097 km (0.092 R)
• M8: 4,341,929 km (0.104 R)
• M9: 5,237,870 km (0.074 R)
• M10: 7,044,115 km (0.063 R)
• M11: 8,519,300 km (0.111 R)
• M12: 8,918,277 km (0.074 R)
• M13: 9,556,761 km (0.104 R)
• M14: 10,259,572 km (0.073 R)
• M15: 11,323,063 km (0.079 R)
• M16: 12,497,855 km (0.106 R)
• M17: 13,420,724 km (0.101 R)
• M18: 14,518,025 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.7

Radius: 11.1

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.95 AU - 3.91 AU

Year: 4167 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,539,680 km

• M1: 139,874 km (0.115 R)
• M2: 548,276 km (0.095 R)
• M3: 1,007,542 km (0.116 R)
• M4: 1,412,952 km (0.105 R)
• M5: 2,079,111 km (0.1 R)
• M6: 2,699,643 km (0.046 R)
• M7: 3,054,041 km (0.029 R)
• M8: 3,459,900 km (0.113 R)
• M9: 4,240,352 km (0.059 R)
• M10: 4,623,322 km (0.093 R)
• M11: 5,295,017 km (0.105 R)
• M12: 6,547,600 km (0.107 R)
• M13: 9,711,595 km (0.096 R)
• M14: 10,380,147 km (0.117 R)
• M15: 11,394,870 km (0.055 R)
• M16: 14,088,230 km (0.101 R)
• M17: 14,836,369 km (0.041 R)
• M18: 15,442,539 km (0.111 R)
• M19: 16,881,821 km (0.081 R)
• M20: 17,240,257 km (0.037 R)
• M21: 20,092,191 km (0.06 R)
• M22: 21,247,086 km (0.113 R)
• M23: 25,756,565 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.2

Radius: 13.3

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.68 AU - 4.78 AU

Year: 5707 Days

Day: 7.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,539,680 km

• M1: 166,054 km (0.113 R)
• M2: 598,840 km (0.049 R)
• M3: 1,210,396 km (0.108 R)
• M4: 2,327,743 km (0.068 R)
• M5: 3,248,967 km (0.071 R)
• M6: 3,918,866 km (0.09 R)
• M7: 5,351,714 km (0.116 R)
• M8: 7,398,213 km (0.098 R)
• M9: 7,897,272 km (0.089 R)
• M10: 8,815,653 km (0.107 R)
• M11: 9,962,620 km (0.118 R)
• M12: 10,572,231 km (0.114 R)
• M13: 13,555,512 km (0.073 R)
• M14: 14,304,698 km (0.083 R)
• M15: 14,819,464 km (0.104 R)
• M16: 15,240,133 km (0.076 R)
• M17: 17,232,927 km (0.084 R)
• M18: 17,875,150 km (0.118 R)
• M19: 18,291,930 km (0.113 R)
• M20: 18,715,442 km (0.082 R)
• M21: 19,707,874 km (0.095 R)
• M22: 21,063,231 km (0.116 R)
• M23: 21,865,225 km (0.072 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 11,197 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit