🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.8

Radius: 9.7

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.94 AU - 1.08 AU

Year: 655 Days

Day: 12.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 147.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,889,154 km

• M1: 120,725 km (0.117 R)
• M2: 435,330 km (0.103 R)
• M3: 790,326 km (0.102 R)
• M4: 1,107,922 km (0.099 R)
• M5: 1,536,071 km (0.101 R)
• M6: 2,101,850 km (0.1 R)
• M7: 2,570,989 km (0.065 R)
• M8: 2,873,177 km (0.112 R)
• M9: 3,225,180 km (0.12 R)
• M10: 3,591,994 km (0.082 R)
• M11: 4,124,413 km (0.106 R)
• M12: 4,574,254 km (0.047 R)
• M13: 5,843,442 km (0.091 R)
• M14: 6,580,960 km (0.094 R)
• M15: 7,287,511 km (0.082 R)
• M16: 7,970,874 km (0.115 R)
• M17: 8,644,812 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.5

Radius: 13.5

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.88 AU - 1.32 AU

Year: 745 Days

Day: 11.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,889,154 km

• M1: 167,849 km (0.043 R)
• M2: 754,721 km (0.087 R)
• M3: 1,598,004 km (0.108 R)
• M4: 2,125,636 km (0.067 R)
• M5: 2,554,982 km (0.097 R)
• M6: 3,007,665 km (0.107 R)
• M7: 3,686,690 km (0.105 R)
• M8: 6,334,123 km (0.108 R)

Asteroid Belt

Center: 1.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.5

Radius: 10

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.92 AU - 2.46 AU

Year: 2093 Days

Day: 11.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,889,154 km

• M1: 124,316 km (0.113 R)
• M2: 473,776 km (0.083 R)
• M3: 847,173 km (0.081 R)
• M4: 1,159,383 km (0.078 R)
• M5: 1,509,443 km (0.112 R)
• M6: 2,196,396 km (0.081 R)
• M7: 4,762,149 km (0.086 R)
• M8: 5,099,642 km (0.108 R)
• M9: 5,493,234 km (0.094 R)
• M10: 5,949,657 km (0.079 R)
• M11: 6,751,053 km (0.077 R)
• M12: 7,250,859 km (0.107 R)
• M13: 7,673,324 km (0.084 R)
• M14: 8,297,745 km (0.107 R)
• M15: 9,097,047 km (0.087 R)
• M16: 9,442,468 km (0.094 R)
• M17: 9,916,693 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.5

Radius: 8.1

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.51 AU - 3.01 AU

Year: 2961 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 51.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,889,154 km

• M1: 100,829 km (0.109 R)
• M2: 382,821 km (0.108 R)
• M3: 755,619 km (0.104 R)
• M4: 1,840,652 km (0.119 R)
• M5: 2,304,106 km (0.078 R)
• M6: 2,708,469 km (0.109 R)
• M7: 3,242,235 km (0.107 R)
• M8: 3,788,117 km (0.11 R)
• M9: 5,292,473 km (0.095 R)
• M10: 5,847,482 km (0.117 R)
• M11: 6,710,661 km (0.101 R)
• M12: 7,331,792 km (0.115 R)
• M13: 10,498,031 km (0.098 R)
• M14: 10,948,919 km (0.067 R)
• M15: 11,849,199 km (0.097 R)
• M16: 12,545,726 km (0.089 R)
• M17: 13,269,331 km (0.12 R)
• M18: 13,796,514 km (0.11 R)
• M19: 14,892,917 km (0.091 R)
• M20: 16,095,684 km (0.046 R)
• M21: 16,443,648 km (0.097 R)
• M22: 17,000,751 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.5

Radius: 9.6

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.25 AU - 3.35 AU

Year: 3025 Days

Day: 7.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,889,154 km

• M1: 119,379 km (0.074 R)
• M2: 1,078,451 km (0.084 R)
• M3: 3,216,354 km (0.067 R)
• M4: 5,063,738 km (0.044 R)
• M5: 7,607,650 km (0.05 R)
• M6: 9,080,890 km (0.103 R)
• M7: 10,026,199 km (0.074 R)
• M8: 10,604,395 km (0.092 R)
• M9: 10,935,156 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.7

Radius: 10

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.19 AU - 5.03 AU

Year: 5380 Days

Day: 9.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,889,154 km

• M1: 124,316 km (0.076 R)
• M2: 531,072 km (0.081 R)
• M3: 918,830 km (0.092 R)
• M4: 1,344,735 km (0.077 R)
• M5: 1,661,733 km (0.111 R)
• M6: 2,347,789 km (0.04 R)
• M7: 2,667,928 km (0.08 R)
• M8: 9,201,615 km (0.088 R)
• M9: 14,337,161 km (0.111 R)
• M10: 15,522,425 km (0.105 R)
• M11: 16,384,707 km (0.1 R)
• M12: 19,408,229 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.9

Radius: 13.2

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.39 AU - 5.17 AU

Year: 6748 Days

Day: 9.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,889,154 km

• M1: 185,801 km (0.088 R)
• M2: 1,126,921 km (0.098 R)
• M3: 1,940,284 km (0.109 R)
• M4: 2,543,014 km (0.112 R)
• M5: 3,728,727 km (0.115 R)
• M6: 4,724,600 km (0.058 R)
• M7: 7,163,943 km (0.071 R)
• M8: 7,785,821 km (0.1 R)
• M9: 8,275,605 km (0.105 R)
• M10: 9,964,265 km (0.037 R)
• M11: 11,872,386 km (0.038 R)
• M12: 12,522,688 km (0.111 R)
• M13: 13,082,783 km (0.073 R)
• M14: 15,050,144 km (0.107 R)
• M15: 16,935,975 km (0.083 R)
• M16: 17,621,432 km (0.12 R)
• M17: 26,613,461 km (0.12 R)
• M18: 27,260,023 km (0.118 R)
• M19: 27,728,265 km (0.032 R)
• M20: 29,556,799 km (0.076 R)
• M21: 34,423,368 km (0.083 R)
• M22: 35,301,806 km (0.063 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 11,414 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit