🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22

Radius: 10.2

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.63 AU - 0.95 AU

Year: 494 Days

Day: 14.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,538,822 km

• M1: 128,056 km (0.105 R)
• M2: 684,859 km (0.076 R)
• M3: 1,202,916 km (0.082 R)
• M4: 2,015,682 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.7

Radius: 12.9

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.75 AU - 0.83 AU

Year: 494 Days

Day: 5.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,538,822 km

• M1: 160,519 km (0.096 R)
• M2: 584,180 km (0.104 R)
• M3: 1,058,704 km (0.075 R)
• M4: 1,469,350 km (0.105 R)
• M5: 2,436,351 km (0.106 R)
• M6: 2,927,780 km (0.092 R)
• M7: 3,485,481 km (0.059 R)
• M8: 3,886,702 km (0.11 R)
• M9: 4,470,284 km (0.089 R)
• M10: 5,128,514 km (0.108 R)
• M11: 6,112,270 km (0.082 R)
• M12: 6,659,648 km (0.058 R)
• M13: 7,303,518 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.1

Radius: 9.5

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.69 AU - 0.95 AU

Year: 522 Days

Day: 6.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,538,822 km

• M1: 118,182 km (0.117 R)
• M2: 518,057 km (0.103 R)
• M3: 859,440 km (0.119 R)
• M4: 1,230,442 km (0.11 R)
• M5: 1,636,900 km (0.107 R)
• M6: 1,999,525 km (0.086 R)
• M7: 2,537,928 km (0.102 R)
• M8: 2,878,413 km (0.091 R)
• M9: 3,458,553 km (0.096 R)
• M10: 3,776,748 km (0.041 R)
• M11: 5,395,546 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.8

Radius: 14.7

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.51 AU - 2.79 AU

Year: 3032 Days

Day: 6.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,538,822 km

• M1: 182,809 km (0.112 R)
• M2: 1,495,380 km (0.119 R)
• M3: 2,001,021 km (0.076 R)
• M4: 2,622,301 km (0.066 R)
• M5: 3,159,357 km (0.113 R)
• M6: 3,806,219 km (0.115 R)
• M7: 5,413,947 km (0.109 R)
• M8: 6,449,164 km (0.051 R)
• M9: 7,819,630 km (0.114 R)
• M10: 10,906,134 km (0.096 R)
• M11: 12,108,003 km (0.111 R)
• M12: 12,887,258 km (0.104 R)
• M13: 14,052,027 km (0.114 R)
• M14: 15,191,963 km (0.089 R)
• M15: 16,541,186 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.8

Radius: 9.7

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.89 AU - 3.27 AU

Year: 3800 Days

Day: 14.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,538,822 km

• M1: 120,725 km (0.109 R)
• M2: 435,928 km (0.037 R)
• M3: 1,247,497 km (0.091 R)
• M4: 2,156,902 km (0.118 R)
• M5: 2,796,583 km (0.106 R)
• M6: 3,375,826 km (0.118 R)
• M7: 3,764,032 km (0.093 R)
• M8: 4,353,747 km (0.072 R)
• M9: 5,397,342 km (0.029 R)
• M10: 6,625,390 km (0.065 R)
• M11: 8,238,056 km (0.075 R)
• M12: 8,913,340 km (0.084 R)
• M13: 11,911,730 km (0.113 R)
• M14: 13,058,398 km (0.074 R)
• M15: 13,763,902 km (0.11 R)
• M16: 14,494,687 km (0.036 R)
• M17: 14,847,439 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.9

Radius: 10.2

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.75 AU - 4.41 AU

Year: 4761 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,538,822 km

• M1: 126,859 km (0.062 R)
• M2: 523,293 km (0.081 R)
• M3: 962,812 km (0.088 R)
• M4: 1,397,693 km (0.032 R)
• M5: 2,593,129 km (0.056 R)
• M6: 3,205,882 km (0.103 R)
• M7: 3,954,470 km (0.083 R)
• M8: 5,061,943 km (0.109 R)
• M9: 7,157,510 km (0.095 R)
• M10: 7,512,207 km (0.108 R)
• M11: 8,828,967 km (0.116 R)
• M12: 10,052,229 km (0.09 R)
• M13: 10,788,101 km (0.118 R)
• M14: 13,356,846 km (0.074 R)
• M15: 13,747,446 km (0.107 R)
• M16: 15,227,418 km (0.108 R)
• M17: 16,088,054 km (0.075 R)
• M18: 16,754,513 km (0.116 R)
• M19: 19,543,615 km (0.082 R)
• M20: 21,677,629 km (0.046 R)
• M21: 22,559,359 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.8

Radius: 3.1

Gravity: 34.21 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.09 AU - 11.79 AU

Year: 22029 Days

Day: 20.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,538,822 km

• M1: 38,596 km (0.114 R)
• M2: 480,957 km (0.12 R)
• M3: 1,402,779 km (0.082 R)
• M4: 2,299,918 km (0.111 R)
• M5: 5,447,756 km (0.027 R)
• M6: 6,300,314 km (0.073 R)
• M7: 8,216,663 km (0.03 R)
• M8: 9,982,068 km (0.113 R)
• M9: 11,736,551 km (0.1 R)
• M10: 15,172,515 km (0.104 R)
• M11: 17,801,249 km (0.105 R)
• M12: 18,966,616 km (0.067 R)
• M13: 19,137,158 km (0.098 R)
• M14: 19,567,850 km (0.111 R)
• M15: 25,979,615 km (0.119 R)
• M16: 37,140,364 km (0.12 R)
• M17: 40,569,297 km (0.115 R)
• M18: 43,459,827 km (0.059 R)
• M19: 56,747,858 km (0.075 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 10,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit