🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740

Radius: 13.9

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.75 AU - 0.79 AU

Year: 451 Days

Day: 11 Hours

Environment

Temp: -159 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,857,906 km

• M1: 172,935 km (0.112 R)
• M2: 618,288 km (0.091 R)
• M3: 1,110,465 km (0.109 R)
• M4: 1,595,012 km (0.08 R)
• M5: 2,102,000 km (0.062 R)
• M6: 2,557,376 km (0.115 R)
• M7: 3,024,121 km (0.107 R)
• M8: 3,486,977 km (0.099 R)
• M9: 4,160,018 km (0.114 R)
• M10: 4,965,004 km (0.078 R)
• M11: 5,871,567 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.9

Radius: 9

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.71 AU - 0.91 AU

Year: 486 Days

Day: 11.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,857,906 km

• M1: 111,899 km (0.066 R)
• M2: 414,984 km (0.116 R)
• M3: 1,408,913 km (0.101 R)
• M4: 1,758,373 km (0.116 R)
• M5: 2,526,259 km (0.093 R)
• M6: 2,851,784 km (0.115 R)
• M7: 3,816,690 km (0.117 R)
• M8: 5,668,712 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.2

Radius: 14.4

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.98 AU - 1.52 AU

Year: 932 Days

Day: 12.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,857,906 km

• M1: 179,069 km (0.057 R)
• M2: 814,710 km (0.081 R)
• M3: 1,858,006 km (0.086 R)
• M4: 2,690,069 km (0.073 R)
• M5: 3,320,474 km (0.072 R)
• M6: 3,925,149 km (0.025 R)
• M7: 4,952,438 km (0.113 R)
• M8: 5,845,238 km (0.086 R)
• M9: 6,491,201 km (0.066 R)
• M10: 7,300,825 km (0.098 R)
• M11: 8,510,174 km (0.101 R)
• M12: 9,040,648 km (0.067 R)
• M13: 9,537,014 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.1

Radius: 14.2

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.21 AU - 1.47 AU

Year: 1034 Days

Day: 6.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,857,906 km

• M1: 176,525 km (0.061 R)
• M2: 621,579 km (0.107 R)
• M3: 1,589,029 km (0.102 R)
• M4: 2,309,941 km (0.118 R)
• M5: 3,241,786 km (0.082 R)
• M6: 5,151,552 km (0.101 R)
• M7: 5,812,176 km (0.102 R)
• M8: 6,433,905 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.3

Radius: 13.3

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.44 AU - 1.66 AU

Year: 1287 Days

Day: 10 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,857,906 km

• M1: 165,904 km (0.034 R)
• M2: 707,748 km (0.103 R)
• M3: 1,374,505 km (0.109 R)
• M4: 1,912,310 km (0.097 R)
• M5: 2,615,719 km (0.072 R)
• M6: 3,079,023 km (0.117 R)
• M7: 3,662,305 km (0.112 R)
• M8: 4,336,842 km (0.104 R)
• M9: 4,891,102 km (0.049 R)
• M10: 6,026,849 km (0.107 R)
• M11: 6,620,454 km (0.117 R)
• M12: 7,278,984 km (0.109 R)
• M13: 9,271,328 km (0.096 R)
• M14: 10,031,435 km (0.066 R)
• M15: 11,109,287 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916

Radius: 12.3

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.38 AU - 4.04 AU

Year: 4765 Days

Day: 10.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 32,857,906 km

• M1: 153,039 km (0.085 R)
• M2: 805,435 km (0.105 R)
• M3: 1,504,356 km (0.117 R)
• M4: 2,684,534 km (0.09 R)
• M5: 3,439,704 km (0.115 R)
• M6: 4,233,620 km (0.112 R)
• M7: 4,740,009 km (0.081 R)
• M8: 5,575,513 km (0.099 R)
• M9: 6,248,853 km (0.073 R)
• M10: 6,738,337 km (0.059 R)
• M11: 7,148,385 km (0.111 R)
• M12: 8,247,331 km (0.09 R)
• M13: 8,717,218 km (0.093 R)
• M14: 10,640,747 km (0.089 R)
• M15: 11,484,479 km (0.072 R)
• M16: 12,071,351 km (0.107 R)
• M17: 13,572,416 km (0.094 R)
• M18: 15,663,944 km (0.052 R)
• M19: 16,142,957 km (0.094 R)
• M20: 18,421,033 km (0.069 R)
• M21: 20,264,677 km (0.106 R)
• M22: 20,977,810 km (0.103 R)
• M23: 21,413,738 km (0.103 R)
• M24: 22,228,448 km (0.109 R)
• M25: 22,757,726 km (0.089 R)
• M26: 24,877,976 km (0.115 R)
• M27: 26,194,886 km (0.106 R)
• M28: 26,870,620 km (0.079 R)
• M29: 28,080,867 km (0.092 R)
• M30: 28,967,384 km (0.1 R)
• M31: 30,147,711 km (0.092 R)
• M32: 31,077,162 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.5

Radius: 8.6

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.98 AU - 4.1 AU

Year: 5415 Days

Day: 14.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,857,906 km

• M1: 107,112 km (0.053 R)
• M2: 389,104 km (0.069 R)
• M3: 730,337 km (0.057 R)
• M4: 1,000,062 km (0.056 R)
• M5: 1,622,239 km (0.113 R)
• M6: 1,904,082 km (0.073 R)
• M7: 2,380,701 km (0.08 R)
• M8: 2,858,965 km (0.116 R)
• M9: 4,200,858 km (0.076 R)
• M10: 5,094,107 km (0.108 R)
• M11: 6,172,259 km (0.097 R)
• M12: 6,971,111 km (0.077 R)
• M13: 8,179,862 km (0.087 R)
• M14: 8,977,219 km (0.111 R)
• M15: 10,865,892 km (0.066 R)
• M16: 11,292,395 km (0.06 R)
• M17: 11,928,186 km (0.101 R)
• M18: 15,175,657 km (0.038 R)
• M19: 15,949,826 km (0.064 R)
• M20: 19,657,609 km (0.115 R)
• M21: 20,078,428 km (0.063 R)
• M22: 22,501,913 km (0.095 R)
• M23: 24,543,775 km (0.04 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 14,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit