🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.8

Radius: 10.2

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.49 AU - 0.81 AU

Year: 349 Days

Day: 6.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,712,747 km

• M1: 126,859 km (0.052 R)
• M2: 477,068 km (0.069 R)
• M3: 1,091,017 km (0.076 R)
• M4: 1,408,314 km (0.094 R)
• M5: 1,875,658 km (0.102 R)
• M6: 2,245,913 km (0.112 R)
• M7: 2,790,000 km (0.102 R)
• M8: 3,276,044 km (0.098 R)
• M9: 3,697,611 km (0.117 R)
• M10: 4,553,909 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427

Radius: 10.2

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.61 AU - 0.83 AU

Year: 407 Days

Day: 9.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,712,747 km

• M1: 126,859 km (0.118 R)
• M2: 592,408 km (0.119 R)
• M3: 996,621 km (0.048 R)
• M4: 1,429,408 km (0.068 R)
• M5: 1,753,137 km (0.078 R)
• M6: 2,183,082 km (0.095 R)
• M7: 2,975,352 km (0.066 R)
• M8: 3,500,141 km (0.086 R)
• M9: 4,597,591 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.1

Radius: 12.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.65 AU - 0.89 AU

Year: 451 Days

Day: 14.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,712,747 km

• M1: 156,928 km (0.073 R)
• M2: 563,834 km (0.088 R)
• M3: 1,063,790 km (0.084 R)
• M4: 1,484,310 km (0.085 R)
• M5: 1,920,837 km (0.114 R)
• M6: 2,331,932 km (0.112 R)
• M7: 2,792,843 km (0.089 R)
• M8: 3,536,643 km (0.065 R)
• M9: 4,382,170 km (0.116 R)
• M10: 4,874,497 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.2

Radius: 13.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.38 AU - 1.54 AU

Year: 1176 Days

Day: 12.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,712,747 km

• M1: 167,998 km (0.103 R)
• M2: 620,233 km (0.106 R)
• M3: 1,043,894 km (0.116 R)
• M4: 1,476,681 km (0.103 R)
• M5: 2,195,349 km (0.114 R)
• M6: 3,165,042 km (0.105 R)
• M7: 3,786,920 km (0.078 R)
• M8: 5,085,879 km (0.09 R)
• M9: 5,879,944 km (0.082 R)
• M10: 6,506,011 km (0.077 R)
• M11: 7,200,295 km (0.101 R)
• M12: 8,254,661 km (0.074 R)
• M13: 8,846,919 km (0.114 R)
• M14: 9,409,706 km (0.097 R)
• M15: 10,268,099 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.1

Radius: 13

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.89 AU - 2.49 AU

Year: 2161 Days

Day: 6.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,712,747 km

• M1: 161,715 km (0.081 R)
• M2: 721,062 km (0.117 R)
• M3: 1,380,190 km (0.066 R)
• M4: 2,061,309 km (0.118 R)
• M5: 2,487,663 km (0.085 R)
• M6: 3,272,154 km (0.102 R)
• M7: 3,785,724 km (0.048 R)
• M8: 4,554,507 km (0.098 R)
• M9: 5,264,947 km (0.094 R)
• M10: 6,507,358 km (0.093 R)
• M11: 8,582,579 km (0.096 R)
• M12: 9,464,160 km (0.074 R)
• M13: 10,120,296 km (0.104 R)
• M14: 12,843,875 km (0.071 R)
• M15: 13,476,375 km (0.109 R)
• M16: 15,265,416 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.4

Radius: 10.8

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.25 AU - 3.47 AU

Year: 4107 Days

Day: 14.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,712,747 km

• M1: 134,339 km (0.071 R)
• M2: 480,209 km (0.095 R)
• M3: 900,130 km (0.065 R)
• M4: 2,246,960 km (0.073 R)
• M5: 2,735,098 km (0.086 R)
• M6: 3,164,893 km (0.12 R)
• M7: 3,521,384 km (0.12 R)
• M8: 3,904,953 km (0.083 R)
• M9: 4,316,347 km (0.098 R)
• M10: 4,901,724 km (0.116 R)
• M11: 5,252,232 km (0.091 R)
• M12: 5,782,257 km (0.118 R)
• M13: 6,795,483 km (0.063 R)
• M14: 8,443,005 km (0.106 R)
• M15: 9,284,343 km (0.095 R)
• M16: 10,464,371 km (0.048 R)
• M17: 11,304,961 km (0.116 R)
• M18: 13,750,438 km (0.102 R)
• M19: 15,070,489 km (0.081 R)
• M20: 16,087,306 km (0.051 R)
• M21: 16,921,913 km (0.105 R)
• M22: 17,843,585 km (0.064 R)
• M23: 18,316,913 km (0.041 R)
• M24: 20,358,325 km (0.072 R)
• M25: 21,867,918 km (0.091 R)
• M26: 23,450,962 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.1

Radius: 11.1

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.89 AU - 4.59 AU

Year: 4823 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,712,747 km

• M1: 138,079 km (0.091 R)
• M2: 680,521 km (0.072 R)
• M3: 1,239,867 km (0.075 R)
• M4: 1,598,004 km (0.079 R)
• M5: 2,000,722 km (0.079 R)
• M6: 2,981,037 km (0.085 R)
• M7: 3,408,587 km (0.094 R)
• M8: 3,979,902 km (0.088 R)
• M9: 4,410,444 km (0.105 R)
• M10: 5,139,435 km (0.114 R)
• M11: 5,730,795 km (0.075 R)
• M12: 7,585,061 km (0.087 R)
• M13: 8,596,342 km (0.082 R)
• M14: 9,393,250 km (0.034 R)
• M15: 10,238,777 km (0.094 R)
• M16: 11,302,718 km (0.082 R)
• M17: 11,817,933 km (0.107 R)
• M18: 12,438,764 km (0.12 R)
• M19: 13,988,298 km (0.058 R)
• M20: 14,784,309 km (0.081 R)
• M21: 16,575,743 km (0.064 R)
• M22: 17,694,885 km (0.108 R)
• M23: 22,611,419 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206

Radius: 5.1

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.57 AU - 8.47 AU

Year: 13752 Days

Day: 24.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,712,747 km

• M1: 72,854 km (0.115 R)
• M2: 268,678 km (0.087 R)
• M3: 515,065 km (0.116 R)
• M4: 705,504 km (0.104 R)
• M5: 1,020,407 km (0.097 R)
• M6: 1,338,452 km (0.117 R)
• M7: 2,120,999 km (0.1 R)
• M8: 2,506,961 km (0.114 R)
• M9: 2,756,341 km (0.099 R)
• M10: 3,193,915 km (0.108 R)
• M11: 4,285,979 km (0.067 R)
• M12: 5,230,690 km (0.095 R)
• M13: 5,479,172 km (0.099 R)
• M14: 6,446,471 km (0.068 R)
• M15: 6,915,162 km (0.058 R)
• M16: 8,756,711 km (0.118 R)
• M17: 9,241,259 km (0.064 R)
• M18: 10,952,060 km (0.102 R)
• M19: 11,881,960 km (0.065 R)
• M20: 12,919,422 km (0.072 R)
• M21: 15,172,964 km (0.065 R)
• M22: 17,537,358 km (0.105 R)
• M23: 18,094,162 km (0.094 R)
• M24: 21,685,707 km (0.077 R)
• M25: 24,845,364 km (0.101 R)
• M26: 25,282,639 km (0.091 R)
• M27: 25,724,999 km (0.102 R)
• M28: 26,082,688 km (0.033 R)
• M29: 27,267,952 km (0.114 R)
• M30: 30,536,965 km (0.087 R)
• M31: 36,026,907 km (0.097 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 19,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit