🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.3

Radius: 11.9

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.57 AU - 0.65 AU

Year: 335 Days

Day: 13 Hours

Environment

Temp: -142 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,463,750 km

• M1: 148,102 km (0.033 R)
• M2: 623,823 km (0.049 R)
• M3: 1,040,902 km (0.062 R)
• M4: 1,928,616 km (0.11 R)
• M5: 2,416,903 km (0.098 R)
• M6: 3,172,223 km (0.115 R)
• M7: 3,634,480 km (0.084 R)
• M8: 4,425,853 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.6

Radius: 13.7

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.17 AU - 1.21 AU

Year: 912 Days

Day: 6.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,463,750 km

• M1: 170,542 km (0.053 R)
• M2: 644,468 km (0.086 R)
• M3: 1,186,311 km (0.11 R)
• M4: 2,354,371 km (0.096 R)
• M5: 2,780,875 km (0.086 R)
• M6: 3,412,327 km (0.112 R)
• M7: 3,885,356 km (0.094 R)
• M8: 5,131,955 km (0.101 R)
• M9: 6,674,907 km (0.054 R)
• M10: 7,863,462 km (0.12 R)
• M11: 8,324,374 km (0.111 R)
• M12: 9,300,799 km (0.11 R)
• M13: 9,934,346 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.2

Radius: 8.3

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.61 AU - 2.41 AU

Year: 2003 Days

Day: 12 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,463,750 km

• M1: 103,223 km (0.07 R)
• M2: 392,246 km (0.065 R)
• M3: 762,201 km (0.111 R)
• M4: 1,315,115 km (0.082 R)
• M5: 1,862,942 km (0.114 R)
• M6: 2,126,384 km (0.074 R)
• M7: 3,495,653 km (0.105 R)
• M8: 4,054,701 km (0.114 R)
• M9: 5,094,705 km (0.102 R)
• M10: 5,374,603 km (0.088 R)
• M11: 6,223,870 km (0.099 R)
• M12: 8,092,048 km (0.06 R)
• M13: 8,834,502 km (0.028 R)
• M14: 9,273,871 km (0.096 R)
• M15: 14,595,815 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.5

Radius: 12.9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.87 AU - 2.21 AU

Year: 2048 Days

Day: 14.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,463,750 km

• M1: 160,369 km (0.076 R)
• M2: 722,408 km (0.094 R)
• M3: 1,269,787 km (0.104 R)
• M4: 2,275,982 km (0.075 R)
• M5: 2,762,325 km (0.112 R)
• M6: 3,723,940 km (0.105 R)
• M7: 4,755,866 km (0.09 R)
• M8: 6,352,374 km (0.12 R)
• M9: 6,827,796 km (0.083 R)
• M10: 7,850,597 km (0.074 R)
• M11: 8,252,267 km (0.076 R)
• M12: 12,282,733 km (0.029 R)
• M13: 13,546,686 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.9

Radius: 13.7

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.63 AU - 2.49 AU

Year: 2078 Days

Day: 8.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,463,750 km

• M1: 171,589 km (0.057 R)
• M2: 622,776 km (0.032 R)
• M3: 1,192,594 km (0.105 R)
• M4: 2,287,202 km (0.084 R)
• M5: 2,992,107 km (0.086 R)
• M6: 4,916,235 km (0.095 R)
• M7: 5,611,715 km (0.034 R)
• M8: 6,279,071 km (0.12 R)
• M9: 6,949,270 km (0.084 R)
• M10: 7,640,262 km (0.114 R)
• M11: 8,264,684 km (0.062 R)
• M12: 8,777,057 km (0.063 R)
• M13: 9,220,016 km (0.088 R)
• M14: 9,709,051 km (0.108 R)
• M15: 10,508,054 km (0.061 R)
• M16: 11,042,118 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.2

Radius: 9.1

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.96 AU - 4.82 AU

Year: 6466 Days

Day: 8.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,463,750 km

• M1: 113,096 km (0.045 R)
• M2: 465,100 km (0.083 R)
• M3: 796,609 km (0.03 R)
• M4: 1,324,240 km (0.067 R)
• M5: 1,709,604 km (0.108 R)
• M6: 2,236,339 km (0.112 R)
• M7: 5,644,477 km (0.061 R)
• M8: 6,995,795 km (0.106 R)
• M9: 7,569,054 km (0.115 R)
• M10: 9,848,327 km (0.115 R)
• M11: 11,426,734 km (0.075 R)
• M12: 12,113,837 km (0.108 R)
• M13: 14,462,075 km (0.109 R)
• M14: 15,519,134 km (0.117 R)
• M15: 16,034,049 km (0.114 R)
• M16: 17,371,305 km (0.094 R)
• M17: 18,565,096 km (0.079 R)
• M18: 19,514,294 km (0.115 R)
• M19: 20,114,331 km (0.083 R)
• M20: 21,668,055 km (0.099 R)
• M21: 21,988,194 km (0.064 R)
• M22: 22,802,306 km (0.115 R)
• M23: 23,468,016 km (0.095 R)
• M24: 24,838,034 km (0.105 R)
• M25: 29,757,410 km (0.057 R)
• M26: 30,854,112 km (0.104 R)
• M27: 38,471,785 km (0.034 R)
• M28: 39,772,688 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.5

Radius: 7.7

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.32 AU - 9.92 AU

Year: 17790 Days

Day: 23.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,463,750 km

• M1: 96,042 km (0.109 R)
• M2: 349,610 km (0.114 R)
• M3: 828,922 km (0.117 R)
• M4: 1,227,151 km (0.064 R)
• M5: 1,904,082 km (0.064 R)
• M6: 4,032,710 km (0.094 R)
• M7: 5,844,789 km (0.08 R)
• M8: 6,320,360 km (0.07 R)
• M9: 8,238,654 km (0.094 R)
• M10: 10,981,232 km (0.029 R)
• M11: 12,719,858 km (0.097 R)
• M12: 17,529,130 km (0.071 R)
• M13: 18,101,193 km (0.099 R)
• M14: 18,939,838 km (0.074 R)
• M15: 22,939,637 km (0.087 R)
• M16: 24,930,784 km (0.03 R)
• M17: 31,232,894 km (0.087 R)
• M18: 40,610,436 km (0.091 R)
• M19: 42,190,639 km (0.119 R)
• M20: 43,662,383 km (0.089 R)
• M21: 51,537,364 km (0.119 R)
• M22: 58,480,052 km (0.084 R)
• M23: 58,842,677 km (0.061 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 17,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit