🌌 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: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.8

Radius: 11.6

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.54 AU - 0.64 AU

Year: 302 Days

Day: 9.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,470,497 km

• M1: 144,212 km (0.077 R)
• M2: 508,633 km (0.114 R)
• M3: 915,539 km (0.071 R)
• M4: 1,331,720 km (0.058 R)
• M5: 1,703,471 km (0.119 R)
• M6: 2,083,300 km (0.073 R)
• M7: 2,467,916 km (0.104 R)
• M8: 2,968,919 km (0.119 R)
• M9: 3,340,072 km (0.045 R)
• M10: 4,127,106 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.7

Radius: 13.2

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.68 AU - 0.74 AU

Year: 399 Days

Day: 8.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,470,497 km

• M1: 164,109 km (0.089 R)
• M2: 865,124 km (0.096 R)
• M3: 1,456,934 km (0.089 R)
• M4: 2,042,310 km (0.089 R)
• M5: 2,598,814 km (0.08 R)
• M6: 3,337,977 km (0.106 R)
• M7: 3,901,213 km (0.063 R)
• M8: 4,498,258 km (0.118 R)
• M9: 5,204,061 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793

Radius: 14.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.73 AU - 0.73 AU

Year: 416 Days

Day: 7.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,470,497 km

• M1: 181,761 km (0.074 R)
• M2: 654,042 km (0.087 R)
• M3: 1,124,976 km (0.104 R)
• M4: 1,754,035 km (0.079 R)
• M5: 2,341,655 km (0.097 R)
• M6: 3,038,183 km (0.108 R)
• M7: 3,508,220 km (0.081 R)
• M8: 4,188,890 km (0.118 R)
• M9: 5,269,735 km (0.095 R)
• M10: 5,989,300 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.5

Radius: 14.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.07 AU - 1.79 AU

Year: 1140 Days

Day: 6.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,470,497 km

• M1: 232,774 km (0.09 R)
• M2: 712,983 km (0.07 R)
• M3: 1,368,073 km (0.088 R)
• M4: 2,015,083 km (0.097 R)
• M5: 2,509,803 km (0.099 R)
• M6: 3,168,184 km (0.098 R)
• M7: 3,797,991 km (0.11 R)
• M8: 5,117,594 km (0.081 R)
• M9: 5,674,696 km (0.112 R)
• M10: 6,864,597 km (0.118 R)
• M11: 10,159,939 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.5

Radius: 9.8

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.19 AU - 4.89 AU

Year: 6451 Days

Day: 12.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,470,497 km

• M1: 122,670 km (0.095 R)
• M2: 871,707 km (0.055 R)
• M3: 1,413,700 km (0.098 R)
• M4: 2,370,677 km (0.111 R)
• M5: 4,438,718 km (0.118 R)
• M6: 5,233,532 km (0.07 R)
• M7: 6,093,570 km (0.067 R)
• M8: 7,556,637 km (0.09 R)
• M9: 9,030,924 km (0.114 R)
• M10: 10,002,712 km (0.111 R)
• M11: 16,971,729 km (0.12 R)
• M12: 18,391,861 km (0.084 R)
• M13: 19,654,019 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.2

Radius: 8.2

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.38 AU - 6 AU

Year: 7885 Days

Day: 9 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 40,470,497 km

• M1: 102,026 km (0.081 R)
• M2: 365,916 km (0.113 R)
• M3: 771,327 km (0.06 R)
• M4: 1,424,770 km (0.12 R)
• M5: 2,369,929 km (0.092 R)
• M6: 2,646,985 km (0.114 R)
• M7: 4,160,766 km (0.105 R)
• M8: 4,968,594 km (0.062 R)
• M9: 5,843,891 km (0.111 R)
• M10: 6,283,559 km (0.113 R)
• M11: 6,781,720 km (0.101 R)
• M12: 7,078,074 km (0.08 R)
• M13: 7,421,700 km (0.096 R)
• M14: 9,085,827 km (0.081 R)
• M15: 9,355,252 km (0.055 R)
• M16: 11,239,438 km (0.095 R)
• M17: 11,813,594 km (0.113 R)
• M18: 14,550,338 km (0.105 R)
• M19: 15,935,464 km (0.084 R)
• M20: 16,659,967 km (0.093 R)
• M21: 18,965,719 km (0.098 R)
• M22: 20,693,275 km (0.039 R)
• M23: 22,769,544 km (0.109 R)
• M24: 24,199,849 km (0.064 R)
• M25: 26,319,801 km (0.058 R)
• M26: 28,178,554 km (0.106 R)
• M27: 31,741,975 km (0.102 R)
• M28: 32,887,895 km (0.099 R)
• M29: 34,822,345 km (0.076 R)
• M30: 36,604,505 km (0.089 R)
• M31: 38,446,503 km (0.112 R)
• M32: 38,798,657 km (0.048 R)
• M33: 39,987,960 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 16,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit