🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.5

Radius: 13.2

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.47 AU - 0.73 AU

Year: 310 Days

Day: 5.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,865,435 km

• M1: 164,109 km (0.094 R)
• M2: 835,504 km (0.063 R)
• M3: 1,261,708 km (0.1 R)
• M4: 1,683,574 km (0.092 R)
• M5: 2,309,642 km (0.106 R)
• M6: 2,898,908 km (0.106 R)
• M7: 3,828,808 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.9

Radius: 10.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.05 AU - 1.09 AU

Year: 738 Days

Day: 6.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,865,435 km

• M1: 133,142 km (0.047 R)
• M2: 513,869 km (0.096 R)
• M3: 840,740 km (0.09 R)
• M4: 1,232,238 km (0.115 R)
• M5: 1,608,626 km (0.078 R)
• M6: 1,988,006 km (0.066 R)
• M7: 2,571,288 km (0.095 R)
• M8: 4,203,102 km (0.112 R)
• M9: 4,660,422 km (0.078 R)
• M10: 4,994,026 km (0.063 R)
• M11: 5,760,565 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.6

Radius: 9.2

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.04 AU - 1.18 AU

Year: 780 Days

Day: 6.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,865,435 km

• M1: 114,442 km (0.065 R)
• M2: 401,670 km (0.072 R)
• M3: 750,832 km (0.094 R)
• M4: 1,278,613 km (0.096 R)
• M5: 1,622,838 km (0.043 R)
• M6: 1,942,678 km (0.084 R)
• M7: 2,502,324 km (0.087 R)
• M8: 3,086,802 km (0.088 R)
• M9: 3,425,791 km (0.047 R)
• M10: 3,819,832 km (0.115 R)
• M11: 4,442,458 km (0.047 R)
• M12: 4,984,302 km (0.073 R)
• M13: 5,909,565 km (0.084 R)
• M14: 6,221,027 km (0.118 R)
• M15: 8,173,579 km (0.061 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.5

Radius: 3.3

Gravity: 55.23 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.71 AU - 6.75 AU

Year: 11643 Days

Day: 19.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 149.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,865,435 km

• M1: 47,722 km (0.118 R)
• M2: 165,904 km (0.112 R)
• M3: 317,746 km (0.099 R)
• M4: 459,415 km (0.032 R)
• M5: 1,051,224 km (0.112 R)
• M6: 1,228,498 km (0.083 R)
• M7: 1,597,406 km (0.054 R)
• M8: 1,898,547 km (0.109 R)
• M9: 4,076,542 km (0.119 R)
• M10: 4,574,404 km (0.1 R)
• M11: 6,197,241 km (0.114 R)
• M12: 6,423,882 km (0.1 R)
• M13: 16,715,318 km (0.106 R)
• M14: 17,227,990 km (0.033 R)
• M15: 17,750,984 km (0.098 R)
• M16: 20,860,376 km (0.057 R)
• M17: 21,885,420 km (0.075 R)
• M18: 27,518,229 km (0.071 R)
• M19: 29,484,992 km (0.078 R)
• M20: 29,697,421 km (0.094 R)
• M21: 30,448,552 km (0.046 R)
• M22: 33,234,962 km (0.087 R)
• M23: 37,043,126 km (0.109 R)
• M24: 40,343,554 km (0.065 R)
• M25: 42,875,647 km (0.085 R)
• M26: 46,365,915 km (0.109 R)
• M27: 49,141,704 km (0.03 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.9

Radius: 3.3

Gravity: 30.84 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.48 AU - 9.86 AU

Year: 17024 Days

Day: 23.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,865,435 km

• M1: 41,289 km (0.079 R)
• M2: 230,082 km (0.065 R)
• M3: 458,966 km (0.106 R)
• M4: 576,251 km (0.098 R)
• M5: 757,863 km (0.096 R)
• M6: 1,708,108 km (0.112 R)
• M7: 1,889,571 km (0.092 R)
• M8: 2,659,551 km (0.087 R)
• M9: 3,385,101 km (0.108 R)
• M10: 5,420,529 km (0.115 R)
• M11: 6,454,251 km (0.103 R)
• M12: 7,058,925 km (0.108 R)
• M13: 7,268,661 km (0.111 R)
• M14: 10,439,388 km (0.065 R)
• M15: 10,932,762 km (0.047 R)
• M16: 14,091,222 km (0.109 R)
• M17: 20,056,587 km (0.12 R)
• M18: 20,732,171 km (0.034 R)
• M19: 21,510,229 km (0.061 R)
• M20: 25,204,249 km (0.06 R)
• M21: 27,405,732 km (0.106 R)
• M22: 29,949,643 km (0.116 R)
• M23: 30,609,370 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.7

Radius: 4.8

Gravity: 30.8 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.09 AU - 9.87 AU

Year: 19464 Days

Day: 21.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,865,435 km

• M1: 59,690 km (0.117 R)
• M2: 417,976 km (0.113 R)
• M3: 1,040,154 km (0.113 R)
• M4: 1,312,422 km (0.084 R)
• M5: 4,205,346 km (0.075 R)
• M6: 6,150,866 km (0.091 R)
• M7: 7,318,178 km (0.097 R)
• M8: 7,607,201 km (0.092 R)
• M9: 8,732,477 km (0.076 R)
• M10: 9,560,501 km (0.109 R)
• M11: 14,724,769 km (0.052 R)
• M12: 16,297,491 km (0.083 R)
• M13: 16,542,682 km (0.082 R)
• M14: 18,065,888 km (0.08 R)
• M15: 19,041,415 km (0.1 R)
• M16: 20,427,440 km (0.097 R)
• M17: 21,388,157 km (0.055 R)
• M18: 22,177,884 km (0.099 R)
• M19: 23,711,113 km (0.079 R)
• M20: 24,664,051 km (0.108 R)
• M21: 24,879,173 km (0.06 R)
• M22: 25,863,228 km (0.101 R)
• M23: 30,058,850 km (0.117 R)
• M24: 31,426,025 km (0.108 R)
• M25: 35,364,338 km (0.104 R)
• M26: 40,658,906 km (0.104 R)
• M27: 43,103,485 km (0.084 R)
• M28: 45,482,540 km (0.102 R)
• M29: 48,115,014 km (0.112 R)
• M30: 54,224,291 km (0.083 R)
• M31: 58,891,147 km (0.107 R)
• M32: 67,742,404 km (0.117 R)
• M33: 73,590,185 km (0.22 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.9

Radius: 3

Gravity: 70.99 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.76 AU - 12.5 AU

Year: 23112 Days

Day: 23.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,865,435 km

• M1: 40,541 km (0.097 R)
• M2: 155,432 km (0.056 R)
• M3: 302,636 km (0.101 R)
• M4: 563,834 km (0.101 R)
• M5: 691,890 km (0.089 R)
• M6: 944,711 km (0.119 R)
• M7: 1,475,484 km (0.083 R)
• M8: 1,630,168 km (0.11 R)
• M9: 1,951,504 km (0.084 R)
• M10: 2,336,270 km (0.105 R)
• M11: 3,339,324 km (0.114 R)
• M12: 3,545,619 km (0.081 R)
• M13: 3,887,001 km (0.115 R)
• M14: 4,891,252 km (0.097 R)
• M15: 5,843,592 km (0.112 R)
• M16: 8,264,684 km (0.087 R)
• M17: 8,862,477 km (0.117 R)
• M18: 9,200,419 km (0.12 R)
• M19: 15,271,250 km (0.036 R)
• M20: 22,199,576 km (0.115 R)
• M21: 31,739,133 km (0.095 R)
• M22: 35,534,132 km (0.115 R)
• M23: 36,528,060 km (0.094 R)
• M24: 36,959,650 km (0.045 R)
• M25: 40,228,812 km (0.054 R)
• M26: 42,406,359 km (0.086 R)
• M27: 61,092,778 km (0.11 R)
• M28: 63,963,861 km (0.077 R)
• M29: 77,525,805 km (0.214 R)
• M30: 79,675,826 km (0.108 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: 462 - 17,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit