🌌 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 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.65 AU - 0.67 AU

Year: 346 Days

Day: 35.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,967,153 km

• M1: 46,076 km (0.101 R)
• M2: 725,101 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.5 AU - 0.82 AU

Year: 346 Days

Day: 24.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.9

Radius: 12.7

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.79 AU - 0.97 AU

Year: 533 Days

Day: 8.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,967,153 km

• M1: 157,975 km (0.097 R)
• M2: 576,849 km (0.111 R)
• M3: 1,042,996 km (0.052 R)
• M4: 1,519,166 km (0.099 R)
• M5: 1,968,858 km (0.096 R)
• M6: 2,723,130 km (0.105 R)
• M7: 3,133,327 km (0.101 R)
• M8: 4,410,893 km (0.107 R)
• M9: 4,806,430 km (0.089 R)
• M10: 5,617,400 km (0.118 R)
• M11: 6,575,425 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.4

Radius: 12.9

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.75 AU - 2.43 AU

Year: 1951 Days

Day: 5.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,967,153 km

• M1: 160,519 km (0.113 R)
• M2: 561,590 km (0.117 R)
• M3: 1,097,600 km (0.096 R)
• M4: 1,540,409 km (0.082 R)
• M5: 2,115,613 km (0.082 R)
• M6: 2,529,999 km (0.054 R)
• M7: 3,202,741 km (0.113 R)
• M8: 3,704,492 km (0.09 R)
• M9: 4,442,907 km (0.077 R)
• M10: 5,008,387 km (0.08 R)
• M11: 6,476,391 km (0.075 R)
• M12: 7,310,250 km (0.077 R)
• M13: 8,242,843 km (0.098 R)
• M14: 9,191,592 km (0.093 R)
• M15: 10,956,249 km (0.105 R)
• M16: 11,484,180 km (0.047 R)
• M17: 12,289,315 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.1

Radius: 13.9

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.93 AU - 3.11 AU

Year: 2583 Days

Day: 8.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,967,153 km

• M1: 173,683 km (0.115 R)
• M2: 672,742 km (0.104 R)
• M3: 2,255,637 km (0.119 R)
• M4: 3,276,792 km (0.097 R)
• M5: 3,803,526 km (0.065 R)
• M6: 4,452,781 km (0.108 R)
• M7: 4,886,465 km (0.025 R)
• M8: 6,361,649 km (0.108 R)
• M9: 7,125,795 km (0.083 R)
• M10: 8,284,132 km (0.08 R)
• M11: 8,767,333 km (0.093 R)
• M12: 10,174,450 km (0.091 R)
• M13: 11,770,211 km (0.075 R)
• M14: 12,650,744 km (0.054 R)
• M15: 14,150,313 km (0.064 R)
• M16: 16,509,471 km (0.104 R)
• M17: 17,332,559 km (0.082 R)
• M18: 18,067,982 km (0.067 R)
• M19: 19,419,748 km (0.109 R)
• M20: 21,347,317 km (0.108 R)
• M21: 21,930,001 km (0.072 R)

Asteroid Belt

Center: 3.89 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.1

Radius: 8.9

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.17 AU - 5.35 AU

Year: 7789 Days

Day: 7 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,967,153 km

• M1: 110,702 km (0.1 R)
• M2: 445,203 km (0.099 R)
• M3: 843,134 km (0.118 R)
• M4: 1,192,145 km (0.084 R)
• M5: 1,611,319 km (0.033 R)
• M6: 2,111,125 km (0.083 R)
• M7: 2,582,658 km (0.106 R)
• M8: 3,333,639 km (0.114 R)
• M9: 3,831,052 km (0.102 R)
• M10: 4,833,806 km (0.106 R)
• M11: 6,330,234 km (0.043 R)
• M12: 7,166,187 km (0.103 R)
• M13: 7,995,408 km (0.086 R)
• M14: 8,803,535 km (0.102 R)
• M15: 10,771,795 km (0.082 R)
• M16: 11,256,941 km (0.113 R)
• M17: 12,063,572 km (0.106 R)
• M18: 12,375,933 km (0.11 R)
• M19: 13,235,073 km (0.053 R)
• M20: 13,735,478 km (0.115 R)
• M21: 18,204,415 km (0.102 R)
• M22: 24,624,109 km (0.049 R)
• M23: 25,127,206 km (0.084 R)
• M24: 26,942,277 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.2

Radius: 6.5

Gravity: 21.33 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.22 AU - 11.7 AU

Year: 18787 Days

Day: 17.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,967,153 km

• M1: 81,082 km (0.044 R)
• M2: 494,421 km (0.046 R)
• M3: 739,313 km (0.097 R)
• M4: 990,787 km (0.093 R)
• M5: 1,742,217 km (0.084 R)
• M6: 2,152,564 km (0.11 R)
• M7: 2,977,895 km (0.071 R)
• M8: 4,193,228 km (0.088 R)
• M9: 4,569,018 km (0.099 R)
• M10: 6,084,445 km (0.077 R)
• M11: 7,605,855 km (0.104 R)
• M12: 12,245,334 km (0.092 R)
• M13: 14,336,862 km (0.115 R)
• M14: 15,109,983 km (0.116 R)
• M15: 15,910,781 km (0.098 R)
• M16: 17,859,143 km (0.041 R)
• M17: 19,027,952 km (0.085 R)
• M18: 19,584,306 km (0.119 R)
• M19: 21,022,540 km (0.111 R)
• M20: 24,215,407 km (0.112 R)
• M21: 31,542,711 km (0.04 R)
• M22: 38,724,755 km (0.071 R)
• M23: 39,918,397 km (0.07 R)
• M24: 40,372,127 km (0.073 R)
• M25: 43,326,835 km (0.085 R)
• M26: 45,593,841 km (0.075 R)
• M27: 49,140,956 km (0.056 R)
• M28: 53,782,080 km (0.086 R)
• M29: 60,280,911 km (0.087 R)
• M30: 62,693,924 km (0.085 R)
• M31: 64,753,438 km (0.025 R)
• M32: 68,789,888 km (0.097 R)
• M33: 73,669,471 km (0.074 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 12,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit