🌌 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: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.9

Radius: 14.7

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.57 AU - 0.71 AU

Year: 347 Days

Day: 7.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,609,971 km

• M1: 182,958 km (0.095 R)
• M2: 658,679 km (0.098 R)
• M3: 1,295,368 km (0.074 R)
• M4: 1,834,219 km (0.087 R)
• M5: 2,291,391 km (0.087 R)
• M6: 2,781,324 km (0.115 R)
• M7: 3,601,868 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.1

Radius: 11.2

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.55 AU - 0.91 AU

Year: 423 Days

Day: 11.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,609,971 km

• M1: 140,472 km (0.118 R)
• M2: 538,552 km (0.074 R)
• M3: 984,653 km (0.088 R)
• M4: 1,495,380 km (0.115 R)
• M5: 1,893,011 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.9

Radius: 9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.62 AU - 1.66 AU

Year: 1424 Days

Day: 10.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,609,971 km

• M1: 116,387 km (0.113 R)
• M2: 413,638 km (0.118 R)
• M3: 696,677 km (0.062 R)
• M4: 1,009,786 km (0.089 R)
• M5: 1,617,153 km (0.09 R)
• M6: 2,563,958 km (0.116 R)
• M7: 2,926,134 km (0.1 R)
• M8: 4,196,071 km (0.106 R)
• M9: 4,715,923 km (0.086 R)
• M10: 5,199,723 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.4

Radius: 9.2

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.45 AU - 2.15 AU

Year: 1638 Days

Day: 9.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,609,971 km

• M1: 116,836 km (0.117 R)
• M2: 539,450 km (0.053 R)
• M3: 876,793 km (0.069 R)
• M4: 1,179,729 km (0.043 R)
• M5: 1,480,121 km (0.109 R)
• M6: 2,168,122 km (0.115 R)
• M7: 2,558,572 km (0.092 R)
• M8: 4,074,896 km (0.105 R)
• M9: 5,067,478 km (0.046 R)
• M10: 5,666,618 km (0.037 R)
• M11: 8,514,512 km (0.115 R)
• M12: 9,491,387 km (0.111 R)
• M13: 11,003,671 km (0.108 R)
• M14: 13,316,155 km (0.119 R)
• M15: 14,542,559 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.9

Radius: 12.2

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.83 AU - 4.01 AU

Year: 5264 Days

Day: 13.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,609,971 km

• M1: 151,991 km (0.084 R)
• M2: 644,916 km (0.115 R)
• M3: 1,355,955 km (0.093 R)
• M4: 1,783,207 km (0.113 R)
• M5: 2,162,736 km (0.05 R)
• M6: 2,718,792 km (0.119 R)
• M7: 3,369,094 km (0.085 R)
• M8: 5,541,255 km (0.028 R)
• M9: 6,080,705 km (0.075 R)
• M10: 6,821,065 km (0.049 R)
• M11: 7,335,681 km (0.089 R)
• M12: 8,099,528 km (0.082 R)
• M13: 8,716,619 km (0.061 R)
• M14: 9,448,003 km (0.079 R)
• M15: 10,576,270 km (0.09 R)
• M16: 11,126,491 km (0.108 R)
• M17: 11,647,541 km (0.072 R)
• M18: 14,556,920 km (0.027 R)
• M19: 17,222,006 km (0.109 R)
• M20: 18,901,990 km (0.04 R)
• M21: 20,759,697 km (0.093 R)
• M22: 22,510,590 km (0.068 R)
• M23: 24,437,111 km (0.101 R)
• M24: 24,835,191 km (0.118 R)
• M25: 25,890,604 km (0.071 R)
• M26: 26,387,718 km (0.118 R)
• M27: 27,486,514 km (0.104 R)
• M28: 29,325,820 km (0.1 R)
• M29: 31,245,759 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.6

Radius: 6.1

Gravity: 15.33 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.03 AU - 7.97 AU

Year: 12561 Days

Day: 16.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 38,609,971 km

• M1: 78,240 km (0.042 R)
• M2: 307,124 km (0.034 R)
• M3: 527,482 km (0.093 R)
• M4: 885,320 km (0.061 R)
• M5: 1,548,787 km (0.093 R)
• M6: 1,826,291 km (0.099 R)
• M7: 2,100,354 km (0.076 R)
• M8: 2,542,416 km (0.07 R)
• M9: 2,885,145 km (0.052 R)
• M10: 5,212,588 km (0.104 R)
• M11: 6,244,215 km (0.094 R)
• M12: 7,447,880 km (0.028 R)
• M13: 8,149,494 km (0.104 R)
• M14: 8,516,457 km (0.116 R)
• M15: 8,846,470 km (0.072 R)
• M16: 9,136,241 km (0.11 R)
• M17: 12,450,881 km (0.118 R)
• M18: 13,884,478 km (0.085 R)
• M19: 14,408,070 km (0.1 R)
• M20: 14,741,823 km (0.091 R)
• M21: 14,944,678 km (0.089 R)
• M22: 19,482,579 km (0.119 R)
• M23: 22,550,533 km (0.088 R)
• M24: 23,182,284 km (0.049 R)
• M25: 23,548,500 km (0.088 R)
• M26: 24,765,628 km (0.119 R)
• M27: 27,324,649 km (0.082 R)
• M28: 27,836,125 km (0.119 R)
• M29: 28,042,570 km (0.079 R)
• M30: 29,838,342 km (0.078 R)
• M31: 31,485,415 km (0.108 R)
• M32: 35,562,256 km (0.029 R)
• M33: 40,769,309 km (0.114 R)
• M34: 45,027,912 km (0.063 R)
• M35: 46,173,084 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.7

Radius: 3

Gravity: 20.74 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.65 AU - 8.29 AU

Year: 13848 Days

Day: 20.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,609,971 km

• M1: 51,162 km (0.12 R)
• M2: 739,013 km (0.064 R)
• M3: 1,175,390 km (0.056 R)
• M4: 3,190,474 km (0.049 R)
• M5: 4,197,417 km (0.084 R)
• M6: 4,801,194 km (0.085 R)
• M7: 5,275,419 km (0.025 R)
• M8: 7,641,459 km (0.095 R)
• M9: 8,922,316 km (0.082 R)
• M10: 9,141,627 km (0.118 R)
• M11: 12,165,748 km (0.087 R)
• M12: 12,763,990 km (0.092 R)
• M13: 15,415,761 km (0.032 R)
• M14: 15,794,992 km (0.115 R)
• M15: 16,506,180 km (0.073 R)
• M16: 22,655,401 km (0.097 R)
• M17: 24,400,909 km (0.051 R)
• M18: 26,323,541 km (0.09 R)
• M19: 27,505,812 km (0.091 R)
• M20: 28,818,085 km (0.081 R)
• M21: 29,780,448 km (0.026 R)
• M22: 29,877,986 km (0.096 R)
• M23: 35,350,575 km (0.067 R)
• M24: 36,230,510 km (0.078 R)
• M25: 37,350,998 km (0.055 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 16,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit