🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422

Radius: 11.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.54 AU - 0.64 AU

Year: 307 Days

Day: 14.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,515,486 km

• M1: 143,016 km (0.086 R)
• M2: 501,751 km (0.108 R)
• M3: 947,703 km (0.108 R)
• M4: 1,356,404 km (0.11 R)
• M5: 1,877,453 km (0.12 R)
• M6: 3,187,332 km (0.078 R)
• M7: 3,797,392 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.2

Radius: 12.7

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.66 AU - 1.06 AU

Year: 541 Days

Day: 10.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,515,486 km

• M1: 158,424 km (0.053 R)
• M2: 614,548 km (0.115 R)
• M3: 1,165,068 km (0.093 R)
• M4: 1,618,499 km (0.111 R)
• M5: 2,260,424 km (0.068 R)
• M6: 2,721,634 km (0.106 R)
• M7: 3,723,192 km (0.117 R)
• M8: 4,274,759 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.2

Radius: 8.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.02 AU - 1.28 AU

Year: 836 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,515,486 km

• M1: 108,159 km (0.059 R)
• M2: 446,101 km (0.092 R)
• M3: 894,894 km (0.11 R)
• M4: 1,212,491 km (0.088 R)
• M5: 2,136,258 km (0.062 R)
• M6: 2,467,916 km (0.103 R)
• M7: 2,757,687 km (0.094 R)
• M8: 3,117,021 km (0.075 R)
• M9: 3,636,126 km (0.118 R)
• M10: 3,930,235 km (0.106 R)
• M11: 4,401,618 km (0.114 R)
• M12: 5,508,942 km (0.107 R)
• M13: 5,808,287 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.8

Radius: 11.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.43 AU - 4.01 AU

Year: 3919 Days

Day: 11.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,515,486 km

• M1: 147,055 km (0.036 R)
• M2: 590,164 km (0.107 R)
• M3: 1,166,714 km (0.088 R)
• M4: 1,988,006 km (0.12 R)
• M5: 3,811,754 km (0.079 R)
• M6: 4,548,374 km (0.117 R)
• M7: 6,733,849 km (0.071 R)
• M8: 7,305,014 km (0.095 R)
• M9: 8,441,808 km (0.073 R)
• M10: 9,287,185 km (0.078 R)
• M11: 9,919,386 km (0.099 R)
• M12: 11,270,105 km (0.062 R)
• M13: 14,139,692 km (0.117 R)
• M14: 16,588,908 km (0.026 R)
• M15: 18,313,472 km (0.112 R)
• M16: 20,093,238 km (0.109 R)
• M17: 21,088,363 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.3

Radius: 10.1

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.33 AU - 3.71 AU

Year: 4479 Days

Day: 6 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,515,486 km

• M1: 125,662 km (0.068 R)
• M2: 517,908 km (0.066 R)
• M3: 941,419 km (0.071 R)
• M4: 1,997,880 km (0.114 R)
• M5: 2,732,405 km (0.043 R)
• M6: 3,079,622 km (0.102 R)
• M7: 3,510,015 km (0.077 R)
• M8: 4,059,338 km (0.044 R)
• M9: 4,955,729 km (0.039 R)
• M10: 5,598,551 km (0.062 R)
• M11: 7,021,077 km (0.086 R)
• M12: 7,524,623 km (0.029 R)
• M13: 7,863,163 km (0.108 R)
• M14: 9,043,341 km (0.045 R)
• M15: 10,076,763 km (0.093 R)
• M16: 10,834,177 km (0.058 R)
• M17: 11,467,126 km (0.089 R)
• M18: 12,505,036 km (0.104 R)
• M19: 13,290,275 km (0.089 R)
• M20: 14,388,174 km (0.082 R)
• M21: 14,814,976 km (0.059 R)
• M22: 15,201,537 km (0.088 R)
• M23: 15,944,440 km (0.07 R)
• M24: 17,395,839 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.2

Radius: 6

Gravity: 15.45 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.44 AU - 6.8 AU

Year: 10269 Days

Day: 24.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,515,486 km

• M1: 76,145 km (0.06 R)
• M2: 326,572 km (0.12 R)
• M3: 959,072 km (0.084 R)
• M4: 1,402,330 km (0.097 R)
• M5: 1,844,841 km (0.118 R)
• M6: 2,056,522 km (0.048 R)
• M7: 2,528,952 km (0.118 R)
• M8: 3,866,806 km (0.088 R)
• M9: 4,133,090 km (0.109 R)
• M10: 4,913,841 km (0.091 R)
• M11: 8,623,569 km (0.112 R)
• M12: 8,849,312 km (0.071 R)
• M13: 10,237,431 km (0.068 R)
• M14: 11,221,935 km (0.101 R)
• M15: 12,611,549 km (0.084 R)
• M16: 15,660,803 km (0.083 R)
• M17: 18,339,502 km (0.088 R)
• M18: 18,563,151 km (0.104 R)
• M19: 19,943,491 km (0.119 R)
• M20: 27,588,839 km (0.093 R)
• M21: 28,977,556 km (0.071 R)
• M22: 30,100,887 km (0.088 R)
• M23: 32,001,229 km (0.086 R)
• M24: 33,201,003 km (0.102 R)
• M25: 35,922,488 km (0.116 R)
• M26: 36,389,981 km (0.097 R)
• M27: 38,058,446 km (0.104 R)
• M28: 41,933,330 km (0.077 R)
• M29: 44,837,324 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 15,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit