🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.53 AU - 0.57 AU

Year: 268 Days

Day: 18.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.62 AU - 0.68 AU

Year: 344 Days

Day: 25.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 67.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,495,252 km

• M1: 160,070 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.6

Radius: 8.5

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.74 AU - 0.9 AU

Year: 487 Days

Day: 13.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,495,252 km

• M1: 106,364 km (0.06 R)
• M2: 413,788 km (0.038 R)
• M3: 699,669 km (0.117 R)
• M4: 1,031,328 km (0.074 R)
• M5: 1,907,373 km (0.094 R)
• M6: 2,787,457 km (0.088 R)
• M7: 3,476,954 km (0.108 R)
• M8: 3,822,375 km (0.075 R)
• M9: 4,507,982 km (0.101 R)
• M10: 5,240,264 km (0.03 R)
• M11: 6,269,048 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.9

Radius: 9.2

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.82 AU - 1.26 AU

Year: 696 Days

Day: 7.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,495,252 km

• M1: 114,442 km (0.079 R)
• M2: 409,150 km (0.058 R)
• M3: 722,857 km (0.079 R)
• M4: 1,136,345 km (0.064 R)
• M5: 1,456,934 km (0.057 R)
• M6: 2,419,596 km (0.109 R)
• M7: 2,935,110 km (0.056 R)
• M8: 3,232,212 km (0.088 R)
• M9: 3,673,825 km (0.106 R)
• M10: 4,019,994 km (0.114 R)
• M11: 4,467,142 km (0.062 R)
• M12: 5,155,891 km (0.062 R)
• M13: 5,628,321 km (0.104 R)
• M14: 6,129,324 km (0.07 R)
• M15: 6,957,797 km (0.09 R)
• M16: 7,977,157 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.6

Radius: 10.7

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.72 AU - 2.02 AU

Year: 1678 Days

Day: 7.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,495,252 km

• M1: 133,142 km (0.064 R)
• M2: 658,679 km (0.062 R)
• M3: 1,095,804 km (0.11 R)
• M4: 1,618,649 km (0.077 R)
• M5: 2,170,964 km (0.107 R)
• M6: 2,518,181 km (0.095 R)
• M7: 2,888,436 km (0.089 R)
• M8: 3,263,627 km (0.087 R)
• M9: 3,879,222 km (0.066 R)
• M10: 4,299,892 km (0.049 R)
• M11: 6,006,055 km (0.109 R)
• M12: 6,495,240 km (0.08 R)
• M13: 6,905,587 km (0.062 R)
• M14: 7,863,911 km (0.119 R)
• M15: 8,300,887 km (0.111 R)
• M16: 8,939,819 km (0.071 R)
• M17: 9,578,602 km (0.088 R)
• M18: 10,145,129 km (0.046 R)
• M19: 11,345,353 km (0.12 R)
• M20: 13,815,812 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.2

Radius: 9.3

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.85 AU - 2.01 AU

Year: 1759 Days

Day: 12.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,495,252 km

• M1: 116,238 km (0.105 R)
• M2: 508,782 km (0.055 R)
• M3: 813,663 km (0.109 R)
• M4: 1,260,661 km (0.08 R)
• M5: 2,735,247 km (0.092 R)
• M6: 3,620,119 km (0.092 R)
• M7: 4,627,062 km (0.063 R)
• M8: 5,352,911 km (0.106 R)
• M9: 7,499,192 km (0.119 R)
• M10: 7,795,994 km (0.08 R)
• M11: 10,494,440 km (0.091 R)
• M12: 11,672,224 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.7

Radius: 7.8

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.16 AU - 10.18 AU

Year: 15319 Days

Day: 19.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,495,252 km

• M1: 97,837 km (0.064 R)
• M2: 516,113 km (0.061 R)
• M3: 3,533,502 km (0.052 R)
• M4: 4,742,402 km (0.071 R)
• M5: 5,092,461 km (0.111 R)
• M6: 5,923,477 km (0.04 R)
• M7: 8,094,890 km (0.085 R)
• M8: 13,442,266 km (0.109 R)
• M9: 14,002,211 km (0.113 R)
• M10: 15,852,288 km (0.099 R)
• M11: 17,693,090 km (0.115 R)
• M12: 18,967,664 km (0.053 R)
• M13: 25,203,352 km (0.111 R)
• M14: 27,034,430 km (0.101 R)
• M15: 41,072,843 km (0.058 R)
• M16: 44,212,005 km (0.114 R)
• M17: 49,462,292 km (0.076 R)
• M18: 49,959,256 km (0.108 R)
• M19: 57,453,212 km (0.064 R)
• M20: 61,561,917 km (0.04 R)
• M21: 62,715,467 km (0.108 R)
• M22: 67,271,470 km (0.08 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: 157 - 13,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit