🌌 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: 90.6

Radius: 9.6

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.53 AU - 0.73 AU

Year: 333 Days

Day: 13.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 91,096,475 km

• M1: 119,977 km (0.097 R)
• M2: 484,398 km (0.065 R)
• M3: 880,683 km (0.058 R)
• M4: 1,190,201 km (0.112 R)
• M5: 1,512,883 km (0.107 R)
• M6: 1,960,031 km (0.108 R)
• M7: 2,360,654 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.2

Radius: 10

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.91 AU - 0.95 AU

Year: 598 Days

Day: 5 Hours

Environment

Temp: -174 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,096,475 km

• M1: 124,615 km (0.093 R)
• M2: 485,146 km (0.113 R)
• M3: 1,050,476 km (0.063 R)
• M4: 1,421,030 km (0.055 R)
• M5: 2,010,745 km (0.051 R)
• M6: 2,870,484 km (0.103 R)
• M7: 3,218,748 km (0.086 R)
• M8: 4,104,068 km (0.072 R)
• M9: 4,579,939 km (0.085 R)
• M10: 6,192,604 km (0.057 R)
• M11: 6,736,691 km (0.102 R)
• M12: 7,138,362 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781

Radius: 11.6

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.99 AU - 1.35 AU

Year: 844 Days

Day: 12.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 117 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,096,475 km

• M1: 144,362 km (0.114 R)
• M2: 527,183 km (0.104 R)
• M3: 1,073,963 km (0.041 R)
• M4: 1,766,601 km (0.07 R)
• M5: 2,224,969 km (0.077 R)
• M6: 2,585,650 km (0.092 R)
• M7: 3,167,885 km (0.107 R)
• M8: 3,627,748 km (0.038 R)
• M9: 4,147,900 km (0.111 R)
• M10: 4,858,939 km (0.089 R)
• M11: 5,550,979 km (0.097 R)
• M12: 6,096,712 km (0.079 R)
• M13: 6,655,759 km (0.093 R)
• M14: 7,901,460 km (0.076 R)
• M15: 8,410,093 km (0.055 R)
• M16: 8,967,345 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.9

Radius: 11.2

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.69 AU - 2.93 AU

Year: 3141 Days

Day: 9.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 91,096,475 km

• M1: 139,276 km (0.031 R)
• M2: 854,204 km (0.073 R)
• M3: 1,291,927 km (0.113 R)
• M4: 1,673,551 km (0.105 R)
• M5: 2,497,387 km (0.119 R)
• M6: 3,633,283 km (0.099 R)
• M7: 4,738,961 km (0.107 R)
• M8: 5,239,366 km (0.119 R)
• M9: 5,637,596 km (0.076 R)
• M10: 7,113,977 km (0.066 R)
• M11: 9,132,352 km (0.109 R)
• M12: 9,989,547 km (0.114 R)
• M13: 10,645,983 km (0.05 R)
• M14: 11,999,694 km (0.057 R)
• M15: 13,962,119 km (0.102 R)
• M16: 14,940,489 km (0.08 R)
• M17: 16,296,743 km (0.049 R)
• M18: 17,206,897 km (0.081 R)
• M19: 18,513,185 km (0.031 R)
• M20: 19,440,842 km (0.116 R)
• M21: 20,012,306 km (0.029 R)
• M22: 20,725,887 km (0.115 R)
• M23: 23,180,190 km (0.082 R)
• M24: 23,967,224 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.4

Radius: 11.9

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.53 AU - 3.55 AU

Year: 3535 Days

Day: 6.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,096,475 km

• M1: 147,952 km (0.054 R)
• M2: 524,041 km (0.08 R)
• M3: 924,814 km (0.091 R)
• M4: 1,311,674 km (0.102 R)
• M5: 2,056,372 km (0.089 R)
• M6: 2,854,477 km (0.075 R)
• M7: 3,402,753 km (0.079 R)
• M8: 4,426,302 km (0.053 R)
• M9: 5,699,978 km (0.087 R)
• M10: 6,821,065 km (0.096 R)
• M11: 7,909,239 km (0.119 R)
• M12: 10,015,727 km (0.052 R)
• M13: 13,689,402 km (0.062 R)
• M14: 14,404,779 km (0.092 R)
• M15: 16,472,072 km (0.101 R)
• M16: 17,695,932 km (0.067 R)
• M17: 19,998,243 km (0.11 R)
• M18: 22,846,138 km (0.098 R)
• M19: 24,441,001 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.2

Radius: 12.9

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.68 AU - 5.74 AU

Year: 7930 Days

Day: 14.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,096,475 km

• M1: 160,519 km (0.068 R)
• M2: 644,019 km (0.092 R)
• M3: 1,052,421 km (0.086 R)
• M4: 2,054,128 km (0.108 R)
• M5: 3,051,348 km (0.073 R)
• M6: 3,484,284 km (0.086 R)
• M7: 4,399,075 km (0.089 R)
• M8: 5,065,833 km (0.036 R)
• M9: 6,402,639 km (0.098 R)
• M10: 6,874,022 km (0.097 R)
• M11: 7,962,795 km (0.073 R)
• M12: 9,374,551 km (0.106 R)
• M13: 11,089,690 km (0.069 R)
• M14: 11,921,155 km (0.038 R)
• M15: 12,741,400 km (0.059 R)
• M16: 13,708,850 km (0.104 R)
• M17: 14,437,391 km (0.067 R)
• M18: 15,972,265 km (0.117 R)
• M19: 18,206,659 km (0.098 R)
• M20: 18,950,011 km (0.097 R)
• M21: 19,925,240 km (0.036 R)
• M22: 24,650,887 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.4

Radius: 4.4

Gravity: 51.42 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.25 AU - 12.31 AU

Year: 21980 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 91,096,475 km

• M1: 54,753 km (0.105 R)
• M2: 340,186 km (0.089 R)
• M3: 537,954 km (0.086 R)
• M4: 916,437 km (0.101 R)
• M5: 2,025,406 km (0.117 R)
• M6: 2,433,509 km (0.098 R)
• M7: 2,682,888 km (0.093 R)
• M8: 3,854,090 km (0.075 R)
• M9: 5,750,841 km (0.101 R)
• M10: 6,516,334 km (0.043 R)
• M11: 7,975,362 km (0.089 R)
• M12: 8,694,927 km (0.1 R)
• M13: 15,820,424 km (0.101 R)
• M14: 16,510,818 km (0.095 R)
• M15: 21,915,490 km (0.11 R)
• M16: 26,907,720 km (0.07 R)
• M17: 29,926,007 km (0.101 R)
• M18: 33,302,132 km (0.1 R)
• M19: 35,154,153 km (0.114 R)
• M20: 51,372,956 km (0.087 R)
• M21: 54,420,713 km (0.08 R)
• M22: 56,584,647 km (0.041 R)
• M23: 60,456,239 km (0.106 R)
• M24: 64,283,402 km (0.104 R)
• M25: 69,176,299 km (0.092 R)
• M26: 82,995,702 km (0.103 R)
• M27: 84,288,975 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.5

Radius: 6.8

Gravity: 17.66 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 9.82 AU - 11.98 AU

Year: 23998 Days

Day: 18.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 91,096,475 km

• M1: 84,972 km (0.099 R)
• M2: 580,739 km (0.056 R)
• M3: 823,686 km (0.06 R)
• M4: 1,163,273 km (0.09 R)
• M5: 2,191,459 km (0.045 R)
• M6: 2,692,313 km (0.046 R)
• M7: 3,237,747 km (0.111 R)
• M8: 3,789,464 km (0.109 R)
• M9: 6,449,463 km (0.094 R)
• M10: 7,890,240 km (0.06 R)
• M11: 9,900,237 km (0.107 R)
• M12: 11,190,220 km (0.08 R)
• M13: 12,515,956 km (0.071 R)
• M14: 14,099,599 km (0.074 R)
• M15: 16,239,597 km (0.11 R)
• M16: 18,681,632 km (0.103 R)
• M17: 19,063,107 km (0.111 R)
• M18: 24,054,739 km (0.092 R)
• M19: 30,505,848 km (0.04 R)
• M20: 32,796,491 km (0.097 R)
• M21: 34,196,278 km (0.117 R)
• M22: 35,928,023 km (0.025 R)
• M23: 38,942,869 km (0.096 R)
• M24: 42,613,402 km (0.065 R)
• M25: 48,273,139 km (0.088 R)
• M26: 50,265,633 km (0.062 R)
• M27: 51,748,746 km (0.091 R)
• M28: 52,123,937 km (0.086 R)
• M29: 56,372,666 km (0.077 R)
• M30: 57,169,275 km (0.093 R)
• M31: 57,771,556 km (0.118 R)
• M32: 58,784,782 km (0.116 R)
• M33: 59,398,283 km (0.108 R)
• M34: 61,895,371 km (0.062 R)
• M35: 69,121,696 km (0.05 R)
• M36: 72,116,197 km (0.106 R)
• M37: 74,001,429 km (0.092 R)
• M38: 77,869,731 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 14,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit