🌌 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: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.5

Radius: 14.3

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.8 AU - 0.82 AU

Year: 486 Days

Day: 12.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,037,674 km

• M1: 177,872 km (0.117 R)
• M2: 679,025 km (0.079 R)
• M3: 1,278,912 km (0.1 R)
• M4: 2,113,668 km (0.094 R)
• M5: 2,863,602 km (0.052 R)
• M6: 3,538,289 km (0.077 R)
• M7: 5,275,120 km (0.107 R)
• M8: 5,904,329 km (0.047 R)
• M9: 6,351,327 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774

Radius: 8.5

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.96 AU - 1.02 AU

Year: 657 Days

Day: 14.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,037,674 km

• M1: 105,766 km (0.092 R)
• M2: 396,584 km (0.065 R)
• M3: 662,719 km (0.09 R)
• M4: 1,163,572 km (0.113 R)
• M5: 1,522,009 km (0.083 R)
• M6: 1,821,204 km (0.097 R)
• M7: 2,822,014 km (0.051 R)
• M8: 3,200,796 km (0.078 R)
• M9: 3,655,125 km (0.062 R)
• M10: 4,626,613 km (0.114 R)
• M11: 5,032,323 km (0.089 R)
• M12: 5,406,467 km (0.086 R)
• M13: 6,111,073 km (0.111 R)
• M14: 6,434,204 km (0.041 R)
• M15: 7,092,734 km (0.085 R)
• M16: 7,449,974 km (0.108 R)
• M17: 7,960,551 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.8

Radius: 8.3

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.86 AU - 1.36 AU

Year: 780 Days

Day: 7.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,037,674 km

• M1: 103,522 km (0.101 R)
• M2: 377,735 km (0.088 R)
• M3: 699,071 km (0.06 R)
• M4: 1,179,579 km (0.088 R)
• M5: 1,541,307 km (0.039 R)
• M6: 1,939,387 km (0.089 R)
• M7: 2,404,636 km (0.039 R)
• M8: 2,762,773 km (0.111 R)
• M9: 3,041,774 km (0.03 R)
• M10: 3,326,458 km (0.097 R)
• M11: 3,728,877 km (0.104 R)
• M12: 4,401,469 km (0.115 R)
• M13: 4,732,828 km (0.102 R)
• M14: 5,464,361 km (0.087 R)
• M15: 5,847,631 km (0.08 R)
• M16: 6,393,364 km (0.094 R)
• M17: 7,516,545 km (0.104 R)
• M18: 8,410,093 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.8

Radius: 11.1

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.13 AU - 1.73 AU

Year: 1140 Days

Day: 14.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,037,674 km

• M1: 138,079 km (0.101 R)
• M2: 514,467 km (0.119 R)
• M3: 881,131 km (0.11 R)
• M4: 1,419,684 km (0.089 R)
• M5: 1,769,743 km (0.102 R)
• M6: 2,280,320 km (0.093 R)
• M7: 2,767,112 km (0.095 R)
• M8: 3,129,438 km (0.089 R)
• M9: 3,699,555 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.4

Radius: 10.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.28 AU - 3.74 AU

Year: 3482 Days

Day: 6 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,037,674 km

• M1: 137,032 km (0.114 R)
• M2: 523,593 km (0.101 R)
• M3: 867,967 km (0.111 R)
• M4: 1,443,919 km (0.11 R)
• M5: 2,339,860 km (0.1 R)
• M6: 2,825,605 km (0.107 R)
• M7: 3,174,916 km (0.065 R)
• M8: 3,828,359 km (0.077 R)
• M9: 4,590,411 km (0.076 R)
• M10: 5,007,789 km (0.025 R)
• M11: 6,124,238 km (0.094 R)
• M12: 7,428,881 km (0.061 R)
• M13: 8,482,199 km (0.089 R)
• M14: 9,632,158 km (0.115 R)
• M15: 10,429,814 km (0.076 R)
• M16: 11,114,673 km (0.114 R)
• M17: 12,915,083 km (0.064 R)
• M18: 14,020,761 km (0.08 R)
• M19: 16,018,342 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.3

Radius: 14.4

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.83 AU - 3.71 AU

Year: 3943 Days

Day: 12.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,037,674 km

• M1: 200,012 km (0.088 R)
• M2: 1,033,572 km (0.095 R)
• M3: 1,535,921 km (0.109 R)
• M4: 2,235,441 km (0.082 R)
• M5: 3,853,192 km (0.1 R)
• M6: 5,252,531 km (0.103 R)
• M7: 6,475,344 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.3

Radius: 10

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.01 AU - 3.67 AU

Year: 4071 Days

Day: 8.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,037,674 km

• M1: 124,765 km (0.09 R)
• M2: 460,612 km (0.098 R)
• M3: 776,114 km (0.114 R)
• M4: 1,962,724 km (0.097 R)
• M5: 2,729,264 km (0.084 R)
• M6: 3,959,706 km (0.106 R)
• M7: 4,434,829 km (0.083 R)
• M8: 4,897,236 km (0.072 R)
• M9: 5,284,694 km (0.106 R)
• M10: 5,636,997 km (0.065 R)
• M11: 6,269,198 km (0.068 R)
• M12: 7,847,156 km (0.07 R)
• M13: 8,488,333 km (0.062 R)
• M14: 8,859,485 km (0.096 R)
• M15: 9,241,408 km (0.119 R)
• M16: 10,967,319 km (0.084 R)
• M17: 11,497,494 km (0.115 R)
• M18: 11,814,641 km (0.077 R)
• M19: 14,672,410 km (0.098 R)
• M20: 17,243,997 km (0.068 R)
• M21: 20,696,267 km (0.115 R)
• M22: 21,506,489 km (0.079 R)
• M23: 22,127,769 km (0.078 R)
• M24: 24,809,012 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.6

Radius: 8.8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.2 AU - 6.28 AU

Year: 7999 Days

Day: 5.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,037,674 km

• M1: 124,914 km (0.1 R)
• M2: 679,324 km (0.118 R)
• M3: 1,175,091 km (0.117 R)
• M4: 2,679,148 km (0.096 R)
• M5: 4,253,367 km (0.116 R)
• M6: 6,157,299 km (0.105 R)
• M7: 7,486,625 km (0.106 R)
• M8: 7,785,971 km (0.104 R)
• M9: 11,198,747 km (0.111 R)
• M10: 12,403,159 km (0.103 R)
• M11: 14,552,582 km (0.075 R)
• M12: 14,831,881 km (0.077 R)
• M13: 16,633,638 km (0.09 R)
• M14: 17,404,067 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.3

Radius: 4.4

Gravity: 43.82 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.83 AU - 11.79 AU

Year: 20490 Days

Day: 17.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,037,674 km

• M1: 54,753 km (0.114 R)
• M2: 514,916 km (0.101 R)
• M3: 1,818,362 km (0.072 R)
• M4: 2,078,662 km (0.086 R)
• M5: 3,230,716 km (0.078 R)
• M6: 3,704,941 km (0.092 R)
• M7: 4,024,033 km (0.077 R)
• M8: 5,774,029 km (0.108 R)
• M9: 6,158,944 km (0.082 R)
• M10: 8,506,285 km (0.089 R)
• M11: 16,582,924 km (0.036 R)
• M12: 16,753,316 km (0.059 R)
• M13: 21,202,057 km (0.083 R)
• M14: 23,912,023 km (0.055 R)
• M15: 25,462,605 km (0.095 R)
• M16: 26,961,276 km (0.119 R)
• M17: 29,629,953 km (0.109 R)
• M18: 36,770,558 km (0.096 R)
• M19: 64,672,506 km (0.105 R)
• M20: 65,094,821 km (0.054 R)
• M21: 68,321,198 km (0.025 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 16,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit