🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.6

Radius: 11.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.62 AU - 0.68 AU

Year: 362 Days

Day: 11.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 37,287,076 km

• M1: 144,212 km (0.104 R)
• M2: 908,059 km (0.114 R)
• M3: 1,434,344 km (0.057 R)
• M4: 2,448,618 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858

Radius: 10.6

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.64 AU - 0.72 AU

Year: 387 Days

Day: 6.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,287,076 km

• M1: 131,796 km (0.102 R)
• M2: 504,594 km (0.096 R)
• M3: 953,986 km (0.112 R)
• M4: 1,367,923 km (0.035 R)
• M5: 1,741,319 km (0.103 R)
• M6: 2,097,512 km (0.109 R)
• M7: 3,192,419 km (0.089 R)
• M8: 3,860,074 km (0.049 R)
• M9: 4,193,079 km (0.089 R)
• M10: 5,103,382 km (0.083 R)
• M11: 5,912,257 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.5

Radius: 8.3

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.81 AU - 3.57 AU

Year: 3933 Days

Day: 12.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,287,076 km

• M1: 103,223 km (0.114 R)
• M2: 384,467 km (0.118 R)
• M3: 969,993 km (0.111 R)
• M4: 1,535,622 km (0.091 R)
• M5: 2,377,858 km (0.111 R)
• M6: 3,190,175 km (0.064 R)
• M7: 3,895,229 km (0.109 R)
• M8: 6,809,845 km (0.12 R)
• M9: 8,142,313 km (0.1 R)
• M10: 10,622,945 km (0.106 R)
• M11: 11,998,048 km (0.042 R)
• M12: 12,294,252 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.4

Radius: 14.7

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.42 AU - 4.9 AU

Year: 5857 Days

Day: 11 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,287,076 km

• M1: 182,809 km (0.07 R)
• M2: 1,628,822 km (0.061 R)
• M3: 2,449,067 km (0.115 R)
• M4: 3,030,853 km (0.094 R)
• M5: 3,927,842 km (0.094 R)
• M6: 4,501,849 km (0.082 R)
• M7: 5,849,875 km (0.117 R)
• M8: 6,766,312 km (0.052 R)
• M9: 8,072,600 km (0.095 R)
• M10: 8,647,804 km (0.107 R)
• M11: 9,332,663 km (0.032 R)
• M12: 10,450,159 km (0.097 R)
• M13: 11,559,278 km (0.114 R)
• M14: 14,395,953 km (0.115 R)
• M15: 16,125,154 km (0.104 R)
• M16: 18,378,547 km (0.116 R)
• M17: 22,365,031 km (0.095 R)
• M18: 23,043,308 km (0.043 R)
• M19: 23,968,870 km (0.09 R)
• M20: 28,619,718 km (0.093 R)
• M21: 29,779,551 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343

Radius: 10.9

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.59 AU - 4.73 AU

Year: 6944 Days

Day: 5.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,287,076 km

• M1: 135,685 km (0.066 R)
• M2: 726,896 km (0.069 R)
• M3: 1,303,297 km (0.083 R)
• M4: 1,702,274 km (0.036 R)
• M5: 2,400,298 km (0.098 R)
• M6: 3,008,712 km (0.104 R)
• M7: 3,546,068 km (0.068 R)
• M8: 4,659,824 km (0.036 R)
• M9: 5,051,770 km (0.106 R)
• M10: 5,465,857 km (0.114 R)
• M11: 7,080,318 km (0.111 R)
• M12: 7,600,170 km (0.108 R)
• M13: 8,219,805 km (0.105 R)
• M14: 8,561,337 km (0.056 R)
• M15: 14,019,116 km (0.108 R)
• M16: 14,784,309 km (0.112 R)
• M17: 17,062,535 km (0.061 R)
• M18: 21,364,521 km (0.038 R)
• M19: 21,867,170 km (0.086 R)
• M20: 22,598,853 km (0.116 R)
• M21: 23,346,692 km (0.025 R)
• M22: 23,803,265 km (0.097 R)
• M23: 24,577,584 km (0.049 R)
• M24: 25,129,450 km (0.094 R)
• M25: 26,176,336 km (0.078 R)
• M26: 28,529,511 km (0.078 R)
• M27: 29,227,086 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.6

Radius: 5.7

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.4 AU - 7.84 AU

Year: 11757 Days

Day: 15.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 177.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 37,287,076 km

• M1: 70,909 km (0.097 R)
• M2: 347,815 km (0.12 R)
• M3: 1,186,610 km (0.053 R)
• M4: 1,503,159 km (0.086 R)
• M5: 1,764,656 km (0.072 R)
• M6: 2,090,630 km (0.078 R)
• M7: 2,695,006 km (0.109 R)
• M8: 3,531,407 km (0.107 R)
• M9: 3,915,425 km (0.038 R)
• M10: 4,982,357 km (0.087 R)
• M11: 6,086,240 km (0.087 R)
• M12: 7,466,579 km (0.1 R)
• M13: 9,043,341 km (0.107 R)
• M14: 9,712,492 km (0.038 R)
• M15: 11,041,669 km (0.119 R)
• M16: 12,779,847 km (0.068 R)
• M17: 15,215,450 km (0.093 R)
• M18: 15,615,624 km (0.097 R)
• M19: 15,954,613 km (0.094 R)
• M20: 16,160,310 km (0.028 R)
• M21: 18,844,694 km (0.118 R)
• M22: 21,896,640 km (0.071 R)
• M23: 22,924,976 km (0.062 R)
• M24: 24,709,679 km (0.08 R)
• M25: 25,823,734 km (0.115 R)
• M26: 26,584,888 km (0.105 R)
• M27: 27,165,477 km (0.032 R)
• M28: 33,109,150 km (0.106 R)
• M29: 38,372,153 km (0.119 R)
• M30: 38,865,228 km (0.117 R)
• M31: 42,963,611 km (0.098 R)
• M32: 46,081,081 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.9

Radius: 7.7

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.63 AU - 9.49 AU

Year: 17287 Days

Day: 15.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,287,076 km

• M1: 111,450 km (0.091 R)
• M2: 1,964,370 km (0.093 R)
• M3: 3,220,842 km (0.097 R)
• M4: 4,056,496 km (0.115 R)
• M5: 4,716,821 km (0.11 R)
• M6: 5,087,524 km (0.116 R)
• M7: 9,528,786 km (0.084 R)
• M8: 11,131,877 km (0.087 R)
• M9: 13,072,311 km (0.088 R)
• M10: 20,377,624 km (0.058 R)
• M11: 21,055,302 km (0.088 R)
• M12: 24,586,410 km (0.105 R)
• M13: 26,314,415 km (0.093 R)
• M14: 30,398,587 km (0.105 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: 198 - 13,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit