🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.1

Radius: 12.1

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.52 AU - 0.6 AU

Year: 289 Days

Day: 8 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,304,685 km

• M1: 150,495 km (0.074 R)
• M2: 537,206 km (0.096 R)
• M3: 930,050 km (0.112 R)
• M4: 1,564,046 km (0.099 R)
• M5: 2,385,039 km (0.085 R)
• M6: 2,874,224 km (0.091 R)
• M7: 3,463,490 km (0.109 R)
• M8: 3,994,413 km (0.047 R)
• M9: 4,391,296 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.9

Radius: 13.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.56 AU - 0.78 AU

Year: 379 Days

Day: 14.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,304,685 km

• M1: 169,195 km (0.096 R)
• M2: 630,106 km (0.078 R)
• M3: 1,113,756 km (0.09 R)
• M4: 1,590,225 km (0.108 R)
• M5: 3,329,001 km (0.076 R)
• M6: 4,007,428 km (0.069 R)
• M7: 4,537,453 km (0.078 R)
• M8: 5,204,660 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.6

Radius: 8.3

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.67 AU - 1.07 AU

Year: 560 Days

Day: 13.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,304,685 km

• M1: 107,860 km (0.084 R)
• M2: 405,859 km (0.107 R)
• M3: 845,976 km (0.12 R)
• M4: 1,247,197 km (0.11 R)
• M5: 1,661,135 km (0.112 R)
• M6: 2,071,631 km (0.047 R)
• M7: 2,950,668 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.1

Radius: 9.8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.92 AU - 1.52 AU

Year: 930 Days

Day: 13.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,304,685 km

• M1: 122,521 km (0.074 R)
• M2: 579,692 km (0.087 R)
• M3: 1,196,783 km (0.055 R)
• M4: 1,615,358 km (0.077 R)
• M5: 2,069,088 km (0.059 R)
• M6: 2,846,548 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.1

Radius: 10

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.36 AU - 1.8 AU

Year: 1371 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,304,685 km

• M1: 124,615 km (0.102 R)
• M2: 450,738 km (0.102 R)
• M3: 925,712 km (0.105 R)
• M4: 1,263,354 km (0.108 R)
• M5: 1,712,896 km (0.104 R)
• M6: 2,066,695 km (0.094 R)
• M7: 2,384,740 km (0.089 R)
• M8: 3,035,640 km (0.112 R)
• M9: 3,434,169 km (0.086 R)
• M10: 3,985,736 km (0.067 R)
• M11: 4,373,344 km (0.075 R)
• M12: 4,690,043 km (0.11 R)
• M13: 6,228,956 km (0.07 R)
• M14: 7,592,990 km (0.107 R)
• M15: 9,146,264 km (0.085 R)
• M16: 10,142,137 km (0.082 R)
• M17: 10,901,496 km (0.118 R)
• M18: 11,416,711 km (0.108 R)
• M19: 12,201,801 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.3

Radius: 3.3

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.53 AU - 7.21 AU

Year: 12429 Days

Day: 19 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,304,685 km

• M1: 61,186 km (0.088 R)
• M2: 187,745 km (0.116 R)
• M3: 397,033 km (0.025 R)
• M4: 937,979 km (0.102 R)
• M5: 1,130,960 km (0.106 R)
• M6: 1,596,060 km (0.083 R)
• M7: 4,778,904 km (0.118 R)
• M8: 5,172,795 km (0.086 R)
• M9: 5,527,342 km (0.107 R)
• M10: 6,317,368 km (0.1 R)
• M11: 7,435,014 km (0.097 R)
• M12: 7,546,016 km (0.115 R)
• M13: 11,516,792 km (0.105 R)
• M14: 11,665,642 km (0.109 R)
• M15: 14,453,548 km (0.095 R)
• M16: 15,755,797 km (0.111 R)
• M17: 19,630,382 km (0.119 R)
• M18: 22,745,459 km (0.045 R)
• M19: 24,256,696 km (0.114 R)
• M20: 26,345,681 km (0.11 R)
• M21: 26,951,253 km (0.106 R)
• M22: 29,006,728 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.6

Radius: 8

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 8.64 AU - 9.78 AU

Year: 19293 Days

Day: 16 Hours

Environment

Temp: -238 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,304,685 km

• M1: 99,483 km (0.097 R)
• M2: 363,523 km (0.096 R)
• M3: 1,514,978 km (0.117 R)
• M4: 1,858,754 km (0.108 R)
• M5: 2,233,197 km (0.053 R)
• M6: 2,802,118 km (0.095 R)
• M7: 4,161,364 km (0.079 R)
• M8: 4,912,644 km (0.068 R)
• M9: 6,247,207 km (0.057 R)
• M10: 6,952,561 km (0.065 R)
• M11: 7,230,364 km (0.091 R)
• M12: 9,276,265 km (0.053 R)
• M13: 10,016,924 km (0.096 R)
• M14: 13,236,120 km (0.101 R)
• M15: 15,466,625 km (0.086 R)
• M16: 16,343,867 km (0.119 R)
• M17: 27,704,478 km (0.07 R)
• M18: 30,082,935 km (0.07 R)
• M19: 30,946,564 km (0.103 R)
• M20: 31,573,528 km (0.08 R)
• M21: 34,567,131 km (0.065 R)
• M22: 35,514,385 km (0.12 R)
• M23: 36,201,638 km (0.067 R)
• M24: 39,185,068 km (0.101 R)
• M25: 40,661,599 km (0.094 R)
• M26: 41,565,170 km (0.088 R)
• M27: 43,568,884 km (0.054 R)
• M28: 48,268,651 km (0.083 R)
• M29: 49,793,352 km (0.034 R)
• M30: 52,760,177 km (0.117 R)
• M31: 57,900,360 km (0.098 R)
• M32: 66,221,293 km (0.061 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: 363 - 17,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit