🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.8

Radius: 10.8

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.62 AU - 0.76 AU

Year: 364 Days

Day: 6.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,731,776 km

• M1: 134,488 km (0.067 R)
• M2: 480,658 km (0.087 R)
• M3: 1,064,239 km (0.076 R)
• M4: 1,537,118 km (0.103 R)
• M5: 2,297,973 km (0.097 R)
• M6: 2,857,768 km (0.034 R)
• M7: 3,495,653 km (0.104 R)
• M8: 3,843,020 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.8

Radius: 10.7

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.82 AU - 4.16 AU

Year: 4145 Days

Day: 12.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,731,776 km

• M1: 133,142 km (0.078 R)
• M2: 544,087 km (0.103 R)
• M3: 1,024,895 km (0.1 R)
• M4: 1,915,302 km (0.118 R)
• M5: 2,371,276 km (0.077 R)
• M6: 2,826,652 km (0.096 R)
• M7: 3,360,118 km (0.039 R)
• M8: 4,309,466 km (0.112 R)
• M9: 5,773,580 km (0.07 R)
• M10: 6,896,611 km (0.055 R)
• M11: 7,267,315 km (0.087 R)
• M12: 8,085,615 km (0.089 R)
• M13: 9,284,343 km (0.038 R)
• M14: 10,161,286 km (0.099 R)
• M15: 11,649,785 km (0.071 R)
• M16: 12,225,437 km (0.081 R)
• M17: 13,022,495 km (0.092 R)
• M18: 14,174,548 km (0.068 R)
• M19: 14,998,234 km (0.068 R)
• M20: 16,801,187 km (0.107 R)
• M21: 18,614,613 km (0.11 R)
• M22: 23,072,031 km (0.101 R)
• M23: 24,211,219 km (0.111 R)
• M24: 25,467,093 km (0.116 R)
• M25: 27,431,911 km (0.055 R)
• M26: 28,883,310 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.6

Radius: 9.1

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.81 AU - 3.85 AU

Year: 4766 Days

Day: 7.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,731,776 km

• M1: 113,246 km (0.059 R)
• M2: 399,576 km (0.08 R)
• M3: 868,864 km (0.045 R)
• M4: 1,227,301 km (0.105 R)
• M5: 1,531,583 km (0.099 R)
• M6: 1,821,653 km (0.107 R)
• M7: 2,852,532 km (0.043 R)
• M8: 3,681,005 km (0.099 R)
• M9: 5,388,067 km (0.075 R)
• M10: 5,778,667 km (0.076 R)
• M11: 6,128,426 km (0.042 R)
• M12: 6,585,597 km (0.077 R)
• M13: 7,775,649 km (0.103 R)
• M14: 8,570,163 km (0.073 R)
• M15: 9,064,584 km (0.099 R)
• M16: 10,362,794 km (0.067 R)
• M17: 11,734,457 km (0.084 R)
• M18: 13,024,739 km (0.111 R)
• M19: 13,627,468 km (0.073 R)
• M20: 16,398,769 km (0.06 R)
• M21: 17,042,339 km (0.114 R)
• M22: 19,525,065 km (0.109 R)
• M23: 22,168,759 km (0.091 R)
• M24: 22,667,369 km (0.119 R)
• M25: 24,058,330 km (0.063 R)
• M26: 26,528,190 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.3

Radius: 5

Gravity: 15.57 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.12 AU - 8.42 AU

Year: 15121 Days

Day: 16.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 33,731,776 km

• M1: 62,233 km (0.107 R)
• M2: 309,967 km (0.075 R)
• M3: 697,874 km (0.098 R)
• M4: 1,079,199 km (0.1 R)
• M5: 1,376,300 km (0.118 R)
• M6: 3,090,243 km (0.119 R)
• M7: 3,715,862 km (0.084 R)
• M8: 4,158,372 km (0.081 R)
• M9: 4,823,035 km (0.083 R)
• M10: 8,197,814 km (0.115 R)
• M11: 9,286,437 km (0.061 R)
• M12: 11,403,546 km (0.091 R)
• M13: 14,343,743 km (0.119 R)
• M14: 15,495,647 km (0.042 R)
• M15: 15,916,615 km (0.082 R)
• M16: 16,273,107 km (0.12 R)
• M17: 19,725,377 km (0.095 R)
• M18: 23,635,865 km (0.088 R)
• M19: 24,287,214 km (0.077 R)
• M20: 26,214,184 km (0.109 R)
• M21: 26,412,252 km (0.069 R)
• M22: 27,012,588 km (0.079 R)
• M23: 28,033,295 km (0.1 R)
• M24: 29,398,375 km (0.105 R)
• M25: 33,408,795 km (0.071 R)
• M26: 37,017,395 km (0.093 R)
• M27: 37,895,235 km (0.089 R)
• M28: 38,530,727 km (0.091 R)
• M29: 39,953,702 km (0.031 R)
• M30: 43,317,410 km (0.096 R)
• M31: 50,295,702 km (0.045 R)

Asteroid Belt

Center: 8.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.3

Radius: 4.6

Gravity: 37.68 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.74 AU - 10.88 AU

Year: 16626 Days

Day: 24.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 33,731,776 km

• M1: 57,296 km (0.028 R)
• M2: 202,107 km (0.11 R)
• M3: 346,768 km (0.112 R)
• M4: 597,793 km (0.11 R)
• M5: 895,194 km (0.109 R)
• M6: 1,480,121 km (0.117 R)
• M7: 2,575,178 km (0.106 R)
• M8: 3,037,136 km (0.116 R)
• M9: 3,815,793 km (0.111 R)
• M10: 4,029,568 km (0.08 R)
• M11: 4,381,871 km (0.076 R)
• M12: 9,381,432 km (0.068 R)
• M13: 10,464,969 km (0.1 R)
• M14: 11,067,699 km (0.051 R)
• M15: 12,474,368 km (0.029 R)
• M16: 13,569,424 km (0.03 R)
• M17: 14,358,404 km (0.053 R)
• M18: 14,652,663 km (0.103 R)
• M19: 17,319,394 km (0.076 R)
• M20: 18,679,389 km (0.11 R)
• M21: 23,998,939 km (0.082 R)
• M22: 24,205,683 km (0.086 R)
• M23: 29,648,353 km (0.118 R)
• M24: 30,973,192 km (0.115 R)
• M25: 34,260,306 km (0.114 R)
• M26: 35,853,074 km (0.12 R)
• M27: 37,633,439 km (0.047 R)
• M28: 51,601,990 km (0.084 R)
• M29: 54,400,218 km (0.075 R)
• M30: 65,591,934 km (0.059 R)
• M31: 68,871,419 km (0.111 R)
• M32: 70,763,383 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.7

Radius: 5.1

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 8.3 AU - 11.74 AU

Year: 20167 Days

Day: 23.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,731,776 km

• M1: 77,043 km (0.081 R)
• M2: 457,321 km (0.063 R)
• M3: 675,883 km (0.083 R)
• M4: 1,295,518 km (0.062 R)
• M5: 1,867,430 km (0.119 R)
• M6: 2,154,209 km (0.061 R)
• M7: 3,276,792 km (0.098 R)
• M8: 3,514,503 km (0.041 R)
• M9: 4,662,218 km (0.096 R)
• M10: 7,048,752 km (0.114 R)
• M11: 7,299,479 km (0.09 R)
• M12: 7,556,188 km (0.084 R)
• M13: 9,224,504 km (0.058 R)
• M14: 10,417,996 km (0.113 R)
• M15: 10,696,547 km (0.111 R)
• M16: 10,980,185 km (0.06 R)
• M17: 11,961,547 km (0.077 R)
• M18: 12,370,098 km (0.111 R)
• M19: 14,210,451 km (0.063 R)
• M20: 17,823,988 km (0.031 R)
• M21: 19,876,620 km (0.072 R)
• M22: 21,403,715 km (0.034 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 14,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit