🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.1

Radius: 9.4

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.5 AU - 0.56 AU

Year: 257 Days

Day: 7.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 144.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 90,230,458 km

• M1: 117,285 km (0.096 R)
• M2: 427,850 km (0.051 R)
• M3: 737,069 km (0.102 R)
• M4: 1,148,762 km (0.119 R)
• M5: 1,443,470 km (0.107 R)
• M6: 1,937,891 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 9

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.66 AU - 0.72 AU

Year: 382 Days

Day: 10.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,230,458 km

• M1: 111,899 km (0.051 R)
• M2: 415,732 km (0.115 R)
• M3: 702,362 km (0.025 R)
• M4: 989,141 km (0.091 R)
• M5: 1,307,037 km (0.077 R)
• M6: 1,923,230 km (0.062 R)
• M7: 2,253,094 km (0.098 R)
• M8: 3,061,221 km (0.099 R)
• M9: 3,453,467 km (0.074 R)
• M10: 3,750,269 km (0.09 R)
• M11: 4,186,496 km (0.112 R)
• M12: 4,730,434 km (0.028 R)
• M13: 5,483,959 km (0.101 R)
• M14: 5,769,242 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.1

Radius: 9.2

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.75 AU - 1.07 AU

Year: 579 Days

Day: 10 Hours

Environment

Temp: -170 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,230,458 km

• M1: 115,041 km (0.104 R)
• M2: 524,640 km (0.068 R)
• M3: 842,236 km (0.098 R)
• M4: 1,246,599 km (0.031 R)
• M5: 1,558,211 km (0.069 R)
• M6: 1,845,140 km (0.077 R)
• M7: 2,303,358 km (0.046 R)
• M8: 2,952,015 km (0.1 R)
• M9: 3,396,769 km (0.029 R)
• M10: 4,162,112 km (0.077 R)
• M11: 4,467,441 km (0.074 R)
• M12: 4,853,703 km (0.116 R)
• M13: 5,262,255 km (0.032 R)
• M14: 5,804,996 km (0.066 R)
• M15: 6,109,427 km (0.102 R)
• M16: 6,586,046 km (0.101 R)
• M17: 7,002,228 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761

Radius: 8

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.04 AU - 2.6 AU

Year: 2356 Days

Day: 14.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,230,458 km

• M1: 99,782 km (0.042 R)
• M2: 356,641 km (0.072 R)
• M3: 618,438 km (0.119 R)
• M4: 1,101,040 km (0.05 R)
• M5: 1,475,484 km (0.105 R)
• M6: 1,850,825 km (0.092 R)
• M7: 2,144,186 km (0.083 R)
• M8: 2,454,452 km (0.091 R)
• M9: 2,794,638 km (0.048 R)
• M10: 3,643,905 km (0.113 R)
• M11: 4,048,118 km (0.086 R)
• M12: 4,546,279 km (0.082 R)
• M13: 6,424,181 km (0.088 R)
• M14: 6,729,211 km (0.111 R)
• M15: 8,903,317 km (0.084 R)
• M16: 11,507,068 km (0.07 R)
• M17: 11,999,544 km (0.116 R)
• M18: 13,516,018 km (0.101 R)
• M19: 15,450,169 km (0.107 R)
• M20: 16,664,156 km (0.113 R)
• M21: 16,977,264 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.4

Radius: 9.6

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.74 AU - 3.16 AU

Year: 3379 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,230,458 km

• M1: 154,535 km (0.117 R)
• M2: 667,655 km (0.096 R)
• M3: 971,040 km (0.059 R)
• M4: 1,369,419 km (0.082 R)
• M5: 2,311,437 km (0.092 R)
• M6: 4,527,280 km (0.065 R)
• M7: 5,581,197 km (0.114 R)
• M8: 6,875,518 km (0.069 R)
• M9: 7,669,135 km (0.115 R)
• M10: 9,228,842 km (0.112 R)
• M11: 14,452,052 km (0.108 R)
• M12: 16,404,005 km (0.093 R)
• M13: 17,978,822 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.2

Radius: 10.8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.15 AU - 3.67 AU

Year: 4199 Days

Day: 6.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,230,458 km

• M1: 134,339 km (0.109 R)
• M2: 471,233 km (0.076 R)
• M3: 1,485,806 km (0.083 R)
• M4: 2,661,645 km (0.063 R)
• M5: 3,318,679 km (0.115 R)
• M6: 4,305,876 km (0.069 R)
• M7: 5,160,678 km (0.112 R)
• M8: 5,560,104 km (0.109 R)
• M9: 7,671,229 km (0.041 R)
• M10: 9,660,432 km (0.095 R)
• M11: 11,518,438 km (0.113 R)
• M12: 11,926,092 km (0.102 R)
• M13: 15,324,656 km (0.058 R)
• M14: 21,694,085 km (0.096 R)
• M15: 22,386,573 km (0.107 R)
• M16: 25,456,770 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.1

Radius: 8.7

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.06 AU - 5.64 AU

Year: 8252 Days

Day: 6 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,230,458 km

• M1: 108,458 km (0.073 R)
• M2: 384,018 km (0.094 R)
• M3: 1,305,391 km (0.09 R)
• M4: 1,655,600 km (0.073 R)
• M5: 2,363,946 km (0.116 R)
• M6: 3,405,895 km (0.096 R)
• M7: 3,982,595 km (0.117 R)
• M8: 4,753,772 km (0.111 R)
• M9: 5,217,076 km (0.093 R)
• M10: 5,710,300 km (0.025 R)
• M11: 6,045,699 km (0.098 R)
• M12: 7,027,958 km (0.096 R)
• M13: 7,307,108 km (0.04 R)
• M14: 7,850,298 km (0.06 R)
• M15: 8,265,731 km (0.063 R)
• M16: 10,163,679 km (0.045 R)
• M17: 12,035,897 km (0.108 R)
• M18: 12,639,674 km (0.066 R)
• M19: 14,685,574 km (0.067 R)
• M20: 17,958,925 km (0.088 R)
• M21: 19,558,575 km (0.104 R)
• M22: 20,747,729 km (0.106 R)
• M23: 22,357,103 km (0.098 R)
• M24: 23,656,659 km (0.11 R)
• M25: 24,444,142 km (0.107 R)
• M26: 25,005,733 km (0.076 R)
• M27: 25,988,441 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.4

Radius: 4

Gravity: 61.96 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.91 AU - 10.33 AU

Year: 21468 Days

Day: 22.3 Hours

Environment

Temp: -246 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 90,230,458 km

• M1: 50,714 km (0.104 R)
• M2: 238,908 km (0.03 R)
• M3: 620,682 km (0.106 R)
• M4: 1,049,878 km (0.084 R)
• M5: 1,175,839 km (0.086 R)
• M6: 1,376,001 km (0.103 R)
• M7: 3,688,934 km (0.087 R)
• M8: 3,817,738 km (0.03 R)
• M9: 5,195,983 km (0.081 R)
• M10: 5,440,426 km (0.11 R)
• M11: 5,952,200 km (0.056 R)
• M12: 6,310,637 km (0.118 R)
• M13: 8,212,774 km (0.071 R)
• M14: 14,890,523 km (0.104 R)
• M15: 16,142,807 km (0.11 R)
• M16: 17,193,882 km (0.119 R)
• M17: 18,950,161 km (0.041 R)
• M18: 20,822,528 km (0.065 R)
• M19: 25,044,928 km (0.085 R)
• M20: 26,810,033 km (0.107 R)
• M21: 30,981,719 km (0.034 R)
• M22: 35,565,847 km (0.099 R)
• M23: 46,222,301 km (0.118 R)
• M24: 47,444,965 km (0.083 R)
• M25: 48,509,952 km (0.048 R)
• M26: 56,613,070 km (0.044 R)
• M27: 66,230,717 km (0.11 R)
• M28: 67,560,194 km (0.072 R)
• M29: 68,907,472 km (0.115 R)
• M30: 77,368,428 km (0.105 R)
• M31: 77,612,871 km (0.059 R)
• M32: 80,586,129 km (0.118 R)
• M33: 84,667,608 km (0.118 R)
• M34: 84,927,160 km (0.229 R)
• M35: 85,970,605 km (0.1 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 10,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit