🌌 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: 695

Radius: 8

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.55 AU - 0.71 AU

Year: 351 Days

Day: 6.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,828,043 km

• M1: 99,483 km (0.114 R)
• M2: 409,449 km (0.057 R)
• M3: 706,850 km (0.05 R)
• M4: 1,053,019 km (0.076 R)
• M5: 1,325,138 km (0.055 R)
• M6: 1,637,648 km (0.081 R)
• M7: 2,047,097 km (0.117 R)
• M8: 2,579,666 km (0.105 R)
• M9: 2,976,848 km (0.092 R)
• M10: 3,648,842 km (0.039 R)
• M11: 4,189,788 km (0.097 R)
• M12: 4,797,454 km (0.111 R)
• M13: 5,047,582 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.6

Radius: 10.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.28 AU - 1.7 AU

Year: 1278 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,828,043 km

• M1: 131,945 km (0.095 R)
• M2: 494,571 km (0.082 R)
• M3: 1,023,848 km (0.088 R)
• M4: 1,427,164 km (0.094 R)
• M5: 1,855,911 km (0.107 R)
• M6: 2,230,953 km (0.049 R)
• M7: 2,656,709 km (0.097 R)
• M8: 4,256,658 km (0.113 R)
• M9: 4,714,577 km (0.085 R)
• M10: 5,817,412 km (0.059 R)
• M11: 6,307,645 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.9

Radius: 9.7

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.57 AU - 1.75 AU

Year: 1503 Days

Day: 5.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 129.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,828,043 km

• M1: 122,670 km (0.114 R)
• M2: 431,739 km (0.098 R)
• M3: 789,428 km (0.078 R)
• M4: 1,131,110 km (0.104 R)
• M5: 1,484,609 km (0.108 R)
• M6: 1,800,261 km (0.114 R)
• M7: 2,445,177 km (0.082 R)
• M8: 3,237,148 km (0.048 R)
• M9: 4,049,315 km (0.114 R)
• M10: 5,175,787 km (0.111 R)
• M11: 5,800,807 km (0.089 R)
• M12: 6,213,398 km (0.117 R)
• M13: 6,919,500 km (0.09 R)
• M14: 7,841,920 km (0.099 R)
• M15: 9,176,034 km (0.076 R)
• M16: 9,516,369 km (0.084 R)
• M17: 12,740,503 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.8

Radius: 8.1

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.33 AU - 3.59 AU

Year: 3580 Days

Day: 6.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,828,043 km

• M1: 100,979 km (0.118 R)
• M2: 433,535 km (0.065 R)
• M3: 825,481 km (0.079 R)
• M4: 1,276,519 km (0.051 R)
• M5: 1,724,714 km (0.111 R)
• M6: 2,029,146 km (0.065 R)
• M7: 2,342,104 km (0.106 R)
• M8: 2,627,238 km (0.117 R)
• M9: 3,738,152 km (0.057 R)
• M10: 4,613,449 km (0.105 R)
• M11: 4,994,923 km (0.11 R)
• M12: 5,445,961 km (0.052 R)
• M13: 5,949,956 km (0.114 R)
• M14: 7,316,383 km (0.046 R)
• M15: 7,711,471 km (0.083 R)
• M16: 8,611,003 km (0.112 R)
• M17: 11,606,252 km (0.073 R)
• M18: 12,785,532 km (0.104 R)
• M19: 14,605,839 km (0.108 R)
• M20: 18,640,493 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845

Radius: 13.6

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.19 AU - 4.23 AU

Year: 5023 Days

Day: 5.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,828,043 km

• M1: 169,195 km (0.072 R)
• M2: 650,152 km (0.111 R)
• M3: 1,689,409 km (0.068 R)
• M4: 2,412,565 km (0.119 R)
• M5: 3,153,224 km (0.085 R)
• M6: 3,832,997 km (0.111 R)
• M7: 4,531,768 km (0.102 R)
• M8: 6,805,955 km (0.054 R)
• M9: 10,510,298 km (0.105 R)
• M10: 11,205,629 km (0.107 R)
• M11: 11,686,137 km (0.062 R)
• M12: 12,381,917 km (0.112 R)
• M13: 18,446,614 km (0.048 R)
• M14: 19,049,942 km (0.099 R)
• M15: 20,014,400 km (0.118 R)
• M16: 20,794,852 km (0.064 R)
• M17: 22,568,185 km (0.063 R)
• M18: 30,490,589 km (0.097 R)
• M19: 31,145,529 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.4

Radius: 8

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.74 AU - 9.08 AU

Year: 17144 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,828,043 km

• M1: 136,732 km (0.08 R)
• M2: 387,458 km (0.107 R)
• M3: 972,087 km (0.044 R)
• M4: 2,038,271 km (0.077 R)
• M5: 2,362,898 km (0.063 R)
• M6: 3,117,021 km (0.104 R)
• M7: 3,794,999 km (0.103 R)
• M8: 4,080,581 km (0.118 R)
• M9: 4,442,309 km (0.104 R)
• M10: 4,825,279 km (0.053 R)
• M11: 5,917,344 km (0.059 R)
• M12: 6,185,274 km (0.036 R)
• M13: 8,105,961 km (0.047 R)
• M14: 11,243,028 km (0.038 R)
• M15: 14,478,830 km (0.051 R)
• M16: 20,726,336 km (0.108 R)
• M17: 25,527,081 km (0.074 R)
• M18: 27,279,022 km (0.111 R)
• M19: 30,791,281 km (0.066 R)
• M20: 31,481,825 km (0.06 R)
• M21: 35,340,253 km (0.065 R)
• M22: 38,432,890 km (0.075 R)
• M23: 38,965,309 km (0.052 R)
• M24: 40,044,807 km (0.108 R)
• M25: 45,743,289 km (0.109 R)
• M26: 46,491,577 km (0.088 R)
• M27: 50,993,127 km (0.091 R)
• M28: 52,610,430 km (0.084 R)
• M29: 55,437,680 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.3

Radius: 4.9

Gravity: 21.67 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.94 AU - 11.54 AU

Year: 19743 Days

Day: 18.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,828,043 km

• M1: 73,004 km (0.109 R)
• M2: 404,812 km (0.051 R)
• M3: 1,808,489 km (0.097 R)
• M4: 2,314,279 km (0.105 R)
• M5: 2,554,683 km (0.112 R)
• M6: 4,171,537 km (0.103 R)
• M7: 5,228,894 km (0.106 R)
• M8: 5,918,840 km (0.113 R)
• M9: 6,667,577 km (0.113 R)
• M10: 7,857,778 km (0.111 R)
• M11: 9,290,776 km (0.107 R)
• M12: 12,332,699 km (0.096 R)
• M13: 12,529,869 km (0.091 R)
• M14: 16,056,788 km (0.047 R)
• M15: 18,087,879 km (0.115 R)
• M16: 18,599,653 km (0.106 R)
• M17: 19,831,143 km (0.083 R)
• M18: 20,466,933 km (0.08 R)
• M19: 22,947,565 km (0.115 R)
• M20: 25,621,328 km (0.09 R)
• M21: 27,254,638 km (0.114 R)
• M22: 27,589,438 km (0.12 R)
• M23: 30,010,380 km (0.063 R)
• M24: 30,486,999 km (0.113 R)
• M25: 43,042,150 km (0.115 R)
• M26: 44,260,026 km (0.086 R)
• M27: 48,703,232 km (0.101 R)
• M28: 50,359,430 km (0.032 R)
• M29: 51,032,322 km (0.094 R)
• M30: 51,881,888 km (0.066 R)
• M31: 54,134,682 km (0.071 R)
• M32: 55,195,930 km (0.111 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: 469 - 11,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit