🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.2

Radius: 12.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.44 AU - 0.66 AU

Year: 272 Days

Day: 14.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,998,240 km

• M1: 163,510 km (0.091 R)
• M2: 1,193,342 km (0.064 R)
• M3: 1,689,708 km (0.116 R)
• M4: 2,087,339 km (0.026 R)
• M5: 2,496,340 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.8

Radius: 9.8

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.65 AU - 0.77 AU

Year: 399 Days

Day: 10.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,998,240 km

• M1: 122,072 km (0.095 R)
• M2: 1,256,323 km (0.112 R)
• M3: 2,137,903 km (0.102 R)
• M4: 2,467,467 km (0.099 R)
• M5: 3,005,272 km (0.08 R)
• M6: 3,963,596 km (0.09 R)
• M7: 4,288,971 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.2

Radius: 14.8

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.85 AU - 1.99 AU

Year: 1774 Days

Day: 7.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,998,240 km

• M1: 184,454 km (0.081 R)
• M2: 663,317 km (0.062 R)
• M3: 1,365,529 km (0.088 R)
• M4: 2,075,820 km (0.12 R)
• M5: 2,545,707 km (0.087 R)
• M6: 4,094,494 km (0.113 R)
• M7: 5,242,209 km (0.101 R)
• M8: 6,128,726 km (0.063 R)
• M9: 7,029,604 km (0.082 R)
• M10: 8,833,455 km (0.025 R)
• M11: 10,742,773 km (0.099 R)
• M12: 11,696,310 km (0.072 R)
• M13: 12,788,823 km (0.09 R)
• M14: 13,816,111 km (0.087 R)
• M15: 16,230,322 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152

Radius: 10

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.59 AU - 2.49 AU

Year: 1943 Days

Day: 11.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,998,240 km

• M1: 124,465 km (0.086 R)
• M2: 505,491 km (0.08 R)
• M3: 831,315 km (0.045 R)
• M4: 1,384,229 km (0.042 R)
• M5: 1,830,330 km (0.057 R)
• M6: 2,210,608 km (0.11 R)
• M7: 2,596,720 km (0.114 R)
• M8: 3,106,400 km (0.07 R)
• M9: 4,898,881 km (0.062 R)
• M10: 5,403,924 km (0.095 R)
• M11: 6,194,698 km (0.074 R)
• M12: 6,673,711 km (0.119 R)
• M13: 7,107,096 km (0.032 R)
• M14: 7,854,786 km (0.114 R)
• M15: 8,234,764 km (0.098 R)
• M16: 8,922,915 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.1

Radius: 14.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.12 AU - 4.4 AU

Year: 5863 Days

Day: 13.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,998,240 km

• M1: 187,297 km (0.096 R)
• M2: 902,075 km (0.082 R)
• M3: 1,615,657 km (0.062 R)
• M4: 4,380,674 km (0.094 R)
• M5: 5,645,674 km (0.096 R)
• M6: 6,594,125 km (0.081 R)
• M7: 13,270,678 km (0.034 R)
• M8: 15,238,937 km (0.114 R)
• M9: 16,571,854 km (0.1 R)
• M10: 17,589,119 km (0.088 R)
• M11: 18,245,704 km (0.033 R)
• M12: 22,535,423 km (0.07 R)
• M13: 24,344,660 km (0.044 R)
• M14: 26,418,984 km (0.083 R)
• M15: 30,165,663 km (0.112 R)
• M16: 31,298,119 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.8

Radius: 6.2

Gravity: 25.07 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.57 AU - 8.49 AU

Year: 15174 Days

Day: 20.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,998,240 km

• M1: 77,193 km (0.11 R)
• M2: 450,290 km (0.04 R)
• M3: 1,224,459 km (0.09 R)
• M4: 1,518,568 km (0.055 R)
• M5: 1,823,000 km (0.117 R)
• M6: 2,600,161 km (0.094 R)
• M7: 4,026,427 km (0.092 R)
• M8: 5,140,931 km (0.054 R)
• M9: 6,404,883 km (0.073 R)
• M10: 9,981,619 km (0.075 R)
• M11: 12,519,098 km (0.107 R)
• M12: 18,999,977 km (0.047 R)
• M13: 27,412,314 km (0.089 R)
• M14: 28,438,705 km (0.087 R)
• M15: 32,295,787 km (0.099 R)
• M16: 32,801,128 km (0.091 R)
• M17: 40,295,084 km (0.118 R)
• M18: 44,826,852 km (0.115 R)
• M19: 46,409,747 km (0.032 R)
• M20: 50,360,328 km (0.065 R)
• M21: 53,466,279 km (0.093 R)
• M22: 55,065,929 km (0.062 R)
• M23: 60,820,510 km (0.039 R)
• M24: 65,340,161 km (0.049 R)
• M25: 70,078,524 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.7

Radius: 5

Gravity: 35.39 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.2 AU - 10.74 AU

Year: 17915 Days

Day: 16.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,998,240 km

• M1: 64,776 km (0.069 R)
• M2: 231,278 km (0.108 R)
• M3: 433,535 km (0.031 R)
• M4: 623,973 km (0.041 R)
• M5: 837,449 km (0.056 R)
• M6: 1,627,625 km (0.118 R)
• M7: 4,087,014 km (0.059 R)
• M8: 5,249,090 km (0.113 R)
• M9: 6,264,860 km (0.116 R)
• M10: 7,698,306 km (0.103 R)
• M11: 9,450,247 km (0.094 R)
• M12: 9,679,132 km (0.047 R)
• M13: 10,448,962 km (0.086 R)
• M14: 10,879,954 km (0.052 R)
• M15: 11,068,298 km (0.074 R)
• M16: 14,688,417 km (0.04 R)
• M17: 17,099,336 km (0.049 R)
• M18: 19,483,627 km (0.073 R)
• M19: 19,761,430 km (0.11 R)
• M20: 20,136,173 km (0.096 R)
• M21: 22,080,646 km (0.092 R)
• M22: 22,892,214 km (0.082 R)
• M23: 24,899,369 km (0.112 R)
• M24: 25,446,448 km (0.088 R)
• M25: 33,569,313 km (0.056 R)
• M26: 38,138,930 km (0.098 R)
• M27: 38,428,402 km (0.082 R)
• M28: 40,346,396 km (0.115 R)
• M29: 45,337,579 km (0.114 R)
• M30: 48,657,156 km (0.087 R)
• M31: 63,556,955 km (0.12 R)
• M32: 70,714,913 km (0.098 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 11,850 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit