🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.8

Radius: 9.9

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.57 AU - 0.63 AU

Year: 310 Days

Day: 13.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,834,798 km

• M1: 123,119 km (0.097 R)
• M2: 697,575 km (0.109 R)
• M3: 1,103,883 km (0.095 R)
• M4: 1,707,360 km (0.088 R)
• M5: 2,370,229 km (0.061 R)
• M6: 3,647,196 km (0.099 R)
• M7: 4,053,055 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.9

Radius: 11.4

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.96 AU - 1.36 AU

Year: 833 Days

Day: 9.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,834,798 km

• M1: 143,464 km (0.113 R)
• M2: 910,901 km (0.112 R)
• M3: 1,361,939 km (0.081 R)
• M4: 1,914,254 km (0.119 R)
• M5: 2,565,454 km (0.071 R)
• M6: 3,275,745 km (0.119 R)
• M7: 3,891,190 km (0.064 R)
• M8: 4,276,554 km (0.12 R)
• M9: 5,238,169 km (0.105 R)
• M10: 6,102,696 km (0.11 R)
• M11: 6,897,509 km (0.106 R)
• M12: 7,784,924 km (0.093 R)
• M13: 8,321,531 km (0.09 R)
• M14: 9,242,605 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.4

Radius: 11.3

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.33 AU - 1.47 AU

Year: 1105 Days

Day: 14.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,834,798 km

• M1: 147,504 km (0.047 R)
• M2: 526,884 km (0.091 R)
• M3: 1,242,261 km (0.118 R)
• M4: 1,678,189 km (0.085 R)
• M5: 2,034,531 km (0.111 R)
• M6: 3,203,938 km (0.074 R)
• M7: 4,280,145 km (0.12 R)
• M8: 4,847,719 km (0.076 R)
• M9: 6,197,690 km (0.09 R)
• M10: 6,789,051 km (0.047 R)
• M11: 8,525,283 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.4

Radius: 10.6

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.15 AU - 1.73 AU

Year: 1152 Days

Day: 7.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,834,798 km

• M1: 131,796 km (0.103 R)
• M2: 541,843 km (0.103 R)
• M3: 943,215 km (0.113 R)
• M4: 1,492,837 km (0.112 R)
• M5: 1,958,984 km (0.103 R)
• M6: 3,174,467 km (0.104 R)
• M7: 4,135,184 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.8

Radius: 13.4

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.55 AU - 2.19 AU

Year: 1705 Days

Day: 5.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 41,834,798 km

• M1: 180,265 km (0.069 R)
• M2: 1,124,078 km (0.075 R)
• M3: 3,107,447 km (0.058 R)
• M4: 3,673,226 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.7

Radius: 8.8

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.38 AU - 2.76 AU

Year: 2747 Days

Day: 12.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,834,798 km

• M1: 109,506 km (0.068 R)
• M2: 383,868 km (0.102 R)
• M3: 1,466,658 km (0.073 R)
• M4: 1,751,193 km (0.091 R)
• M5: 4,084,321 km (0.065 R)
• M6: 5,303,993 km (0.059 R)
• M7: 5,610,967 km (0.067 R)
• M8: 6,232,696 km (0.09 R)
• M9: 6,721,133 km (0.063 R)
• M10: 7,050,697 km (0.076 R)
• M11: 7,872,738 km (0.095 R)
• M12: 9,934,944 km (0.119 R)
• M13: 10,642,093 km (0.105 R)
• M14: 12,646,854 km (0.103 R)
• M15: 14,147,919 km (0.083 R)
• M16: 17,332,260 km (0.089 R)
• M17: 19,359,909 km (0.091 R)
• M18: 19,905,941 km (0.064 R)
• M19: 20,712,573 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720

Radius: 12.5

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.24 AU - 6.2 AU

Year: 7953 Days

Day: 10.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,834,798 km

• M1: 155,432 km (0.032 R)
• M2: 738,864 km (0.044 R)
• M3: 1,161,478 km (0.067 R)
• M4: 1,764,806 km (0.107 R)
• M5: 2,301,114 km (0.1 R)
• M6: 2,863,154 km (0.114 R)
• M7: 3,469,324 km (0.098 R)
• M8: 4,004,286 km (0.104 R)
• M9: 4,939,871 km (0.118 R)
• M10: 6,645,736 km (0.07 R)
• M11: 7,996,754 km (0.101 R)
• M12: 8,457,067 km (0.025 R)
• M13: 9,158,232 km (0.066 R)
• M14: 10,626,984 km (0.069 R)
• M15: 11,081,462 km (0.109 R)
• M16: 12,579,087 km (0.029 R)
• M17: 13,610,713 km (0.1 R)
• M18: 15,647,488 km (0.065 R)
• M19: 16,503,039 km (0.08 R)
• M20: 17,389,556 km (0.115 R)
• M21: 18,742,070 km (0.051 R)
• M22: 20,704,944 km (0.082 R)
• M23: 25,035,802 km (0.065 R)
• M24: 29,637,283 km (0.072 R)
• M25: 31,979,836 km (0.102 R)
• M26: 32,399,458 km (0.11 R)
• M27: 35,552,832 km (0.096 R)
• M28: 39,144,078 km (0.112 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: 551 - 16,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit