🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.7

Radius: 12.6

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.9 AU - 1.1 AU

Year: 646 Days

Day: 10 Hours

Environment

Temp: -163 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,931,632 km

• M1: 156,629 km (0.115 R)
• M2: 611,107 km (0.05 R)
• M3: 1,149,061 km (0.088 R)
• M4: 1,595,760 km (0.119 R)
• M5: 2,358,560 km (0.114 R)
• M6: 2,795,535 km (0.086 R)
• M7: 3,835,689 km (0.04 R)
• M8: 4,365,565 km (0.063 R)
• M9: 5,279,159 km (0.064 R)
• M10: 7,645,947 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.9

Radius: 11.3

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.08 AU - 1.14 AU

Year: 755 Days

Day: 12.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,931,632 km

• M1: 140,921 km (0.087 R)
• M2: 768,035 km (0.095 R)
• M3: 1,168,659 km (0.086 R)
• M4: 1,758,074 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.5

Radius: 8.4

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.02 AU - 1.32 AU

Year: 817 Days

Day: 6 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,931,632 km

• M1: 104,419 km (0.097 R)
• M2: 390,301 km (0.096 R)
• M3: 805,285 km (0.105 R)
• M4: 1,245,253 km (0.095 R)
• M5: 1,617,003 km (0.079 R)
• M6: 5,199,723 km (0.118 R)
• M7: 6,278,174 km (0.094 R)
• M8: 6,676,254 km (0.093 R)
• M9: 8,230,276 km (0.11 R)
• M10: 9,893,356 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691

Radius: 11.5

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.1 AU - 1.58 AU

Year: 1002 Days

Day: 12.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,931,632 km

• M1: 143,016 km (0.105 R)
• M2: 612,154 km (0.071 R)
• M3: 1,031,926 km (0.075 R)
• M4: 1,699,881 km (0.089 R)
• M5: 2,137,903 km (0.098 R)
• M6: 2,498,135 km (0.091 R)
• M7: 3,163,397 km (0.083 R)
• M8: 3,864,711 km (0.098 R)
• M9: 4,525,934 km (0.095 R)
• M10: 5,556,663 km (0.071 R)
• M11: 10,033,828 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.2

Radius: 12.6

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.81 AU - 3.11 AU

Year: 3288 Days

Day: 6.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,931,632 km

• M1: 156,629 km (0.098 R)
• M2: 1,041,800 km (0.075 R)
• M3: 1,485,357 km (0.105 R)
• M4: 2,358,859 km (0.112 R)
• M5: 2,804,212 km (0.109 R)
• M6: 3,251,360 km (0.087 R)
• M7: 3,928,889 km (0.089 R)
• M8: 4,605,969 km (0.061 R)
• M9: 5,514,626 km (0.115 R)
• M10: 7,206,429 km (0.092 R)
• M11: 7,752,610 km (0.111 R)
• M12: 8,154,580 km (0.092 R)
• M13: 8,819,842 km (0.047 R)
• M14: 9,258,463 km (0.075 R)
• M15: 10,868,136 km (0.073 R)
• M16: 12,248,625 km (0.111 R)
• M17: 13,263,497 km (0.069 R)
• M18: 15,724,531 km (0.059 R)
• M19: 18,535,027 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.7

Radius: 13

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.4 AU - 5.34 AU

Year: 5898 Days

Day: 5.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,931,632 km

• M1: 164,258 km (0.069 R)
• M2: 631,153 km (0.092 R)
• M3: 1,095,356 km (0.098 R)
• M4: 1,711,250 km (0.061 R)
• M5: 2,225,418 km (0.119 R)
• M6: 2,792,543 km (0.106 R)
• M7: 3,454,963 km (0.089 R)
• M8: 4,354,495 km (0.116 R)
• M9: 4,847,719 km (0.096 R)
• M10: 5,352,013 km (0.047 R)
• M11: 5,975,388 km (0.082 R)
• M12: 6,829,891 km (0.053 R)
• M13: 8,600,681 km (0.104 R)
• M14: 9,496,024 km (0.106 R)
• M15: 10,046,544 km (0.116 R)
• M16: 10,659,895 km (0.12 R)
• M17: 11,428,829 km (0.063 R)
• M18: 12,981,954 km (0.102 R)
• M19: 13,464,556 km (0.046 R)
• M20: 15,089,638 km (0.081 R)
• M21: 16,559,587 km (0.077 R)
• M22: 17,358,439 km (0.104 R)
• M23: 20,165,195 km (0.049 R)
• M24: 23,474,000 km (0.062 R)
• M25: 24,555,294 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.2

Radius: 7.2

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.39 AU - 10.81 AU

Year: 20725 Days

Day: 23.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,931,632 km

• M1: 89,759 km (0.082 R)
• M2: 338,390 km (0.096 R)
• M3: 1,072,467 km (0.114 R)
• M4: 1,419,833 km (0.109 R)
• M5: 2,300,366 km (0.106 R)
• M6: 2,979,990 km (0.11 R)
• M7: 3,234,156 km (0.091 R)
• M8: 3,671,132 km (0.062 R)
• M9: 5,220,666 km (0.027 R)
• M10: 5,629,517 km (0.11 R)
• M11: 7,253,103 km (0.065 R)
• M12: 7,481,689 km (0.047 R)
• M13: 10,909,874 km (0.097 R)
• M14: 14,891,421 km (0.063 R)
• M15: 19,569,645 km (0.043 R)
• M16: 23,411,618 km (0.103 R)
• M17: 24,522,083 km (0.089 R)
• M18: 27,285,455 km (0.036 R)
• M19: 43,953,650 km (0.109 R)
• M20: 45,330,698 km (0.071 R)
• M21: 48,817,376 km (0.062 R)
• M22: 49,143,050 km (0.099 R)
• M23: 51,462,715 km (0.117 R)
• M24: 55,430,499 km (0.073 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 14,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit