🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940

Radius: 10.8

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.8 AU - 0.88 AU

Year: 531 Days

Day: 14.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,699,223 km

• M1: 134,488 km (0.109 R)
• M2: 621,878 km (0.1 R)
• M3: 1,150,258 km (0.104 R)
• M4: 1,779,915 km (0.12 R)
• M5: 2,137,006 km (0.063 R)
• M6: 3,431,925 km (0.087 R)
• M7: 3,807,864 km (0.059 R)
• M8: 4,226,439 km (0.092 R)
• M9: 4,595,796 km (0.081 R)
• M10: 5,071,218 km (0.066 R)
• M11: 5,453,441 km (0.104 R)
• M12: 5,986,757 km (0.036 R)
• M13: 6,534,585 km (0.111 R)
• M14: 7,331,044 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.1

Radius: 14.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.76 AU - 1.12 AU

Year: 629 Days

Day: 5.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,699,223 km

• M1: 185,352 km (0.069 R)
• M2: 894,595 km (0.08 R)
• M3: 1,701,825 km (0.071 R)
• M4: 2,465,074 km (0.059 R)
• M5: 3,366,700 km (0.059 R)
• M6: 3,960,155 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.8

Radius: 9.9

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.92 AU - 1.1 AU

Year: 701 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,699,223 km

• M1: 123,269 km (0.091 R)
• M2: 444,605 km (0.082 R)
• M3: 773,870 km (0.071 R)
• M4: 1,670,410 km (0.102 R)
• M5: 2,064,002 km (0.111 R)
• M6: 2,443,382 km (0.084 R)
• M7: 2,890,380 km (0.114 R)
• M8: 3,206,930 km (0.12 R)
• M9: 3,571,051 km (0.111 R)
• M10: 3,949,533 km (0.07 R)
• M11: 4,496,014 km (0.069 R)
• M12: 4,832,759 km (0.082 R)
• M13: 5,233,532 km (0.105 R)
• M14: 5,639,840 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.9

Radius: 8.7

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.83 AU - 1.38 AU

Year: 796 Days

Day: 11.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,699,223 km

• M1: 113,096 km (0.083 R)
• M2: 393,442 km (0.114 R)
• M3: 667,356 km (0.08 R)
• M4: 1,035,068 km (0.045 R)
• M5: 1,725,163 km (0.036 R)
• M6: 2,294,682 km (0.076 R)
• M7: 2,996,894 km (0.093 R)
• M8: 4,399,075 km (0.027 R)
• M9: 4,735,521 km (0.046 R)
• M10: 7,266,118 km (0.082 R)
• M11: 8,585,272 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.6

Radius: 13

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.67 AU - 2.01 AU

Year: 1723 Days

Day: 7 Hours

Environment

Temp: -204 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,699,223 km

• M1: 161,715 km (0.092 R)
• M2: 937,829 km (0.107 R)
• M3: 1,413,550 km (0.047 R)
• M4: 2,452,956 km (0.087 R)
• M5: 2,892,325 km (0.108 R)
• M6: 3,659,762 km (0.089 R)
• M7: 6,273,686 km (0.041 R)
• M8: 8,123,015 km (0.094 R)
• M9: 13,226,247 km (0.093 R)
• M10: 13,877,297 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.7

Radius: 14.5

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.51 AU - 5.19 AU

Year: 6262 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,699,223 km

• M1: 180,565 km (0.092 R)
• M2: 762,650 km (0.072 R)
• M3: 1,336,507 km (0.109 R)
• M4: 1,807,890 km (0.101 R)
• M5: 2,442,634 km (0.117 R)
• M6: 2,946,480 km (0.119 R)
• M7: 3,719,751 km (0.112 R)
• M8: 5,582,843 km (0.112 R)
• M9: 6,141,292 km (0.092 R)
• M10: 6,840,063 km (0.034 R)
• M11: 7,628,295 km (0.109 R)
• M12: 8,122,117 km (0.07 R)
• M13: 8,637,332 km (0.056 R)
• M14: 9,386,818 km (0.102 R)
• M15: 10,407,225 km (0.106 R)
• M16: 12,253,711 km (0.046 R)
• M17: 12,826,970 km (0.048 R)
• M18: 13,582,290 km (0.074 R)
• M19: 19,306,054 km (0.105 R)
• M20: 20,443,297 km (0.084 R)
• M21: 21,325,176 km (0.09 R)
• M22: 22,003,154 km (0.114 R)
• M23: 22,540,510 km (0.065 R)
• M24: 26,809,883 km (0.101 R)
• M25: 27,423,085 km (0.113 R)
• M26: 30,535,319 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59

Radius: 7.8

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.52 AU - 9.84 AU

Year: 19199 Days

Day: 22.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,699,223 km

• M1: 168,597 km (0.042 R)
• M2: 942,467 km (0.11 R)
• M3: 1,447,509 km (0.116 R)
• M4: 3,979,752 km (0.075 R)
• M5: 4,472,827 km (0.088 R)
• M6: 5,853,166 km (0.107 R)
• M7: 6,792,791 km (0.079 R)
• M8: 8,249,126 km (0.064 R)
• M9: 20,689,535 km (0.079 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 18,201 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit