🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.3

Radius: 10.3

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.63 AU - 1.03 AU

Year: 513 Days

Day: 10.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,310,491 km

• M1: 128,205 km (0.089 R)
• M2: 514,317 km (0.061 R)
• M3: 962,662 km (0.098 R)
• M4: 1,285,495 km (0.107 R)
• M5: 1,763,759 km (0.077 R)
• M6: 2,568,147 km (0.119 R)
• M7: 2,950,070 km (0.083 R)
• M8: 3,310,900 km (0.076 R)
• M9: 3,638,220 km (0.112 R)
• M10: 4,149,695 km (0.05 R)
• M11: 4,693,484 km (0.054 R)
• M12: 5,139,884 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.8

Radius: 8

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.84 AU - 0.98 AU

Year: 589 Days

Day: 14 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,310,491 km

• M1: 99,782 km (0.037 R)
• M2: 420,819 km (0.096 R)
• M3: 835,803 km (0.037 R)
• M4: 1,230,143 km (0.077 R)
• M5: 1,542,653 km (0.037 R)
• M6: 1,892,114 km (0.084 R)
• M7: 2,540,022 km (0.101 R)
• M8: 2,803,913 km (0.103 R)
• M9: 3,199,599 km (0.059 R)
• M10: 4,311,111 km (0.06 R)
• M11: 5,199,124 km (0.049 R)
• M12: 5,763,408 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.1

Radius: 10.3

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.52 AU - 1.66 AU

Year: 1360 Days

Day: 14.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,310,491 km

• M1: 132,693 km (0.067 R)
• M2: 476,918 km (0.069 R)
• M3: 809,324 km (0.101 R)
• M4: 1,329,027 km (0.103 R)
• M5: 1,695,093 km (0.058 R)
• M6: 2,196,546 km (0.049 R)
• M7: 2,545,857 km (0.11 R)
• M8: 2,974,754 km (0.097 R)
• M9: 3,451,672 km (0.092 R)
• M10: 6,968,568 km (0.119 R)
• M11: 8,062,128 km (0.1 R)
• M12: 10,620,701 km (0.032 R)
• M13: 11,380,508 km (0.106 R)
• M14: 11,992,214 km (0.108 R)
• M15: 12,549,915 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.4

Radius: 9.6

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.88 AU - 3.16 AU

Year: 3560 Days

Day: 10.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,310,491 km

• M1: 119,379 km (0.069 R)
• M2: 470,635 km (0.114 R)
• M3: 929,601 km (0.108 R)
• M4: 1,903,334 km (0.102 R)
• M5: 3,468,576 km (0.098 R)
• M6: 6,631,225 km (0.11 R)
• M7: 9,376,944 km (0.114 R)
• M8: 10,547,547 km (0.119 R)
• M9: 13,413,543 km (0.115 R)
• M10: 15,050,892 km (0.083 R)
• M11: 15,625,049 km (0.072 R)
• M12: 19,750,958 km (0.048 R)
• M13: 20,566,117 km (0.093 R)
• M14: 22,130,013 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.1

Radius: 5.4

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.11 AU - 6.71 AU

Year: 9745 Days

Day: 17.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 26,310,491 km

• M1: 69,862 km (0.047 R)
• M2: 244,742 km (0.112 R)
• M3: 655,837 km (0.101 R)
• M4: 916,736 km (0.102 R)
• M5: 1,412,204 km (0.092 R)
• M6: 1,649,017 km (0.046 R)
• M7: 2,467,467 km (0.028 R)
• M8: 2,934,512 km (0.091 R)
• M9: 3,102,809 km (0.026 R)
• M10: 3,322,120 km (0.096 R)
• M11: 3,966,588 km (0.073 R)
• M12: 4,892,449 km (0.105 R)
• M13: 6,156,551 km (0.111 R)
• M14: 6,646,334 km (0.088 R)
• M15: 7,467,776 km (0.073 R)
• M16: 8,313,154 km (0.063 R)
• M17: 8,481,152 km (0.12 R)
• M18: 9,220,614 km (0.038 R)
• M19: 10,240,273 km (0.091 R)
• M20: 11,281,624 km (0.119 R)
• M21: 20,772,712 km (0.101 R)
• M22: 22,677,990 km (0.083 R)
• M23: 24,610,196 km (0.062 R)
• M24: 25,571,961 km (0.074 R)
• M25: 27,384,489 km (0.088 R)
• M26: 29,475,268 km (0.1 R)
• M27: 31,567,843 km (0.098 R)
• M28: 33,864,320 km (0.098 R)
• M29: 39,138,693 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.8

Radius: 5.4

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.79 AU - 7.59 AU

Year: 10445 Days

Day: 21.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 26,310,491 km

• M1: 76,445 km (0.097 R)
• M2: 272,717 km (0.03 R)
• M3: 546,930 km (0.1 R)
• M4: 1,149,510 km (0.117 R)
• M5: 1,649,317 km (0.106 R)
• M6: 2,103,944 km (0.117 R)
• M7: 3,839,130 km (0.093 R)
• M8: 4,200,259 km (0.109 R)
• M9: 4,389,202 km (0.07 R)
• M10: 4,608,512 km (0.027 R)
• M11: 4,860,734 km (0.029 R)
• M12: 5,069,124 km (0.095 R)
• M13: 5,283,498 km (0.11 R)
• M14: 5,531,830 km (0.099 R)
• M15: 7,494,405 km (0.088 R)
• M16: 7,737,651 km (0.104 R)
• M17: 8,499,403 km (0.112 R)
• M18: 8,917,679 km (0.115 R)
• M19: 9,510,236 km (0.111 R)
• M20: 11,173,166 km (0.094 R)
• M21: 13,474,131 km (0.108 R)
• M22: 19,180,691 km (0.105 R)
• M23: 19,505,318 km (0.077 R)
• M24: 19,899,808 km (0.063 R)
• M25: 21,881,681 km (0.107 R)
• M26: 25,679,522 km (0.071 R)
• M27: 26,153,298 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654

Radius: 5.2

Gravity: 24.19 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.13 AU - 7.63 AU

Year: 13598 Days

Day: 24.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 26,310,491 km

• M1: 67,618 km (0.071 R)
• M2: 244,742 km (0.095 R)
• M3: 467,942 km (0.101 R)
• M4: 990,637 km (0.116 R)
• M5: 1,242,111 km (0.077 R)
• M6: 1,943,127 km (0.031 R)
• M7: 2,995,847 km (0.102 R)
• M8: 4,351,952 km (0.104 R)
• M9: 6,424,331 km (0.111 R)
• M10: 8,342,774 km (0.083 R)
• M11: 10,446,270 km (0.109 R)
• M12: 11,472,362 km (0.1 R)
• M13: 12,315,495 km (0.035 R)
• M14: 15,234,000 km (0.12 R)
• M15: 16,103,463 km (0.107 R)
• M16: 18,340,101 km (0.113 R)
• M17: 20,601,272 km (0.074 R)
• M18: 23,608,788 km (0.111 R)
• M19: 35,853,374 km (0.075 R)
• M20: 40,584,406 km (0.098 R)
• M21: 42,108,958 km (0.111 R)
• M22: 42,956,430 km (0.042 R)
• M23: 45,715,015 km (0.087 R)
• M24: 48,281,366 km (0.058 R)
• M25: 50,149,545 km (0.097 R)
• M26: 54,862,326 km (0.083 R)
• M27: 57,412,072 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.4

Radius: 8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.07 AU - 9.03 AU

Year: 16957 Days

Day: 16.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,310,491 km

• M1: 100,829 km (0.039 R)
• M2: 621,130 km (0.086 R)
• M3: 1,007,542 km (0.032 R)
• M4: 6,684,781 km (0.06 R)
• M5: 14,445,918 km (0.117 R)
• M6: 16,713,074 km (0.091 R)
• M7: 23,507,361 km (0.082 R)
• M8: 23,800,273 km (0.052 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: 207 - 17,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit