🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.8

Radius: 12.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.64 AU - 0.7 AU

Year: 372 Days

Day: 8 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,098,086 km

• M1: 160,519 km (0.08 R)
• M2: 582,085 km (0.106 R)
• M3: 1,037,760 km (0.111 R)
• M4: 1,621,043 km (0.049 R)
• M5: 2,022,862 km (0.073 R)
• M6: 3,077,976 km (0.096 R)
• M7: 3,534,250 km (0.102 R)
• M8: 4,022,687 km (0.104 R)
• M9: 4,788,329 km (0.059 R)
• M10: 5,230,091 km (0.072 R)
• M11: 5,732,291 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.4

Radius: 9.2

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.62 AU - 1.02 AU

Year: 504 Days

Day: 10.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,098,086 km

• M1: 114,442 km (0.119 R)
• M2: 452,683 km (0.107 R)
• M3: 784,641 km (0.103 R)
• M4: 1,228,797 km (0.099 R)
• M5: 1,764,507 km (0.083 R)
• M6: 2,203,277 km (0.115 R)
• M7: 2,609,735 km (0.026 R)
• M8: 3,088,598 km (0.115 R)
• M9: 4,180,064 km (0.092 R)
• M10: 4,500,502 km (0.058 R)
• M11: 4,916,235 km (0.065 R)
• M12: 5,340,644 km (0.11 R)
• M13: 6,041,211 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.5

Radius: 14.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.27 AU - 1.97 AU

Year: 1399 Days

Day: 10.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,098,086 km

• M1: 177,872 km (0.072 R)
• M2: 704,307 km (0.098 R)
• M3: 1,218,475 km (0.09 R)
• M4: 1,849,778 km (0.116 R)
• M5: 2,644,591 km (0.06 R)
• M6: 3,274,548 km (0.105 R)
• M7: 3,836,288 km (0.065 R)
• M8: 4,554,507 km (0.109 R)
• M9: 5,237,122 km (0.03 R)
• M10: 5,787,942 km (0.057 R)
• M11: 7,006,267 km (0.061 R)
• M12: 8,446,146 km (0.093 R)
• M13: 9,146,115 km (0.097 R)
• M14: 10,139,444 km (0.091 R)
• M15: 11,727,426 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.5

Radius: 8.6

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.44 AU - 2.24 AU

Year: 1693 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,098,086 km

• M1: 107,561 km (0.109 R)
• M2: 454,778 km (0.044 R)
• M3: 771,775 km (0.12 R)
• M4: 1,214,585 km (0.077 R)
• M5: 1,562,699 km (0.103 R)
• M6: 1,831,228 km (0.08 R)
• M7: 2,436,351 km (0.081 R)
• M8: 3,105,353 km (0.057 R)
• M9: 3,466,033 km (0.08 R)
• M10: 4,272,066 km (0.059 R)
• M11: 4,954,681 km (0.063 R)
• M12: 6,276,678 km (0.112 R)
• M13: 6,614,619 km (0.119 R)
• M14: 6,964,529 km (0.062 R)
• M15: 7,585,061 km (0.08 R)
• M16: 8,968,542 km (0.06 R)
• M17: 9,668,810 km (0.094 R)
• M18: 10,476,937 km (0.103 R)
• M19: 10,878,907 km (0.1 R)
• M20: 11,367,344 km (0.117 R)
• M21: 11,675,216 km (0.038 R)
• M22: 13,087,719 km (0.105 R)
• M23: 13,554,315 km (0.084 R)
• M24: 14,792,237 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.7

Radius: 14.8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.38 AU - 3.58 AU

Year: 4403 Days

Day: 11.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,098,086 km

• M1: 184,005 km (0.056 R)
• M2: 751,430 km (0.096 R)
• M3: 1,451,099 km (0.075 R)
• M4: 2,210,309 km (0.095 R)
• M5: 3,776,149 km (0.081 R)
• M6: 4,698,420 km (0.102 R)
• M7: 5,411,254 km (0.072 R)
• M8: 6,927,129 km (0.074 R)
• M9: 7,413,322 km (0.062 R)
• M10: 8,026,674 km (0.1 R)
• M11: 8,563,730 km (0.045 R)
• M12: 9,591,019 km (0.066 R)
• M13: 11,708,876 km (0.046 R)
• M14: 12,637,879 km (0.114 R)
• M15: 13,267,835 km (0.081 R)
• M16: 13,918,586 km (0.047 R)
• M17: 15,999,492 km (0.08 R)
• M18: 16,564,823 km (0.052 R)
• M19: 17,378,934 km (0.12 R)
• M20: 18,587,984 km (0.071 R)
• M21: 20,571,951 km (0.104 R)
• M22: 21,241,102 km (0.031 R)
• M23: 23,192,158 km (0.083 R)
• M24: 24,433,671 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.6

Radius: 11.6

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.13 AU - 5.11 AU

Year: 5672 Days

Day: 11.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,098,086 km

• M1: 144,362 km (0.098 R)
• M2: 585,227 km (0.064 R)
• M3: 959,820 km (0.054 R)
• M4: 1,502,561 km (0.11 R)
• M5: 2,149,422 km (0.115 R)
• M6: 3,515,849 km (0.105 R)
• M7: 4,121,870 km (0.067 R)
• M8: 6,737,888 km (0.11 R)
• M9: 7,232,309 km (0.108 R)
• M10: 7,826,811 km (0.093 R)
• M11: 8,534,259 km (0.087 R)
• M12: 10,536,776 km (0.091 R)
• M13: 13,875,352 km (0.08 R)
• M14: 14,735,689 km (0.117 R)
• M15: 23,501,227 km (0.111 R)
• M16: 24,806,020 km (0.037 R)
• M17: 25,476,368 km (0.061 R)
• M18: 28,007,713 km (0.074 R)
• M19: 29,010,318 km (0.074 R)
• M20: 34,179,224 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129

Radius: 7.6

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.34 AU - 8.7 AU

Year: 12615 Days

Day: 24.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,098,086 km

• M1: 115,639 km (0.118 R)
• M2: 499,058 km (0.111 R)
• M3: 850,613 km (0.047 R)
• M4: 1,233,434 km (0.032 R)
• M5: 2,065,647 km (0.087 R)
• M6: 2,447,122 km (0.082 R)
• M7: 3,047,907 km (0.063 R)
• M8: 3,743,238 km (0.054 R)
• M9: 4,643,668 km (0.102 R)
• M10: 5,444,764 km (0.116 R)
• M11: 5,893,707 km (0.081 R)
• M12: 10,195,394 km (0.088 R)
• M13: 12,587,614 km (0.119 R)
• M14: 14,301,108 km (0.077 R)
• M15: 28,835,289 km (0.11 R)
• M16: 30,939,682 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.3

Radius: 5.5

Gravity: 29.23 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.52 AU - 8.94 AU

Year: 14577 Days

Day: 21.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,098,086 km

• M1: 68,366 km (0.082 R)
• M2: 358,736 km (0.096 R)
• M3: 557,850 km (0.092 R)
• M4: 1,462,469 km (0.094 R)
• M5: 2,543,613 km (0.109 R)
• M6: 3,327,805 km (0.066 R)
• M7: 3,746,379 km (0.112 R)
• M8: 3,923,503 km (0.1 R)
• M9: 4,423,011 km (0.08 R)
• M10: 5,177,732 km (0.099 R)
• M11: 5,360,690 km (0.102 R)
• M12: 6,095,365 km (0.104 R)
• M13: 7,435,164 km (0.104 R)
• M14: 8,051,357 km (0.099 R)
• M15: 8,497,458 km (0.078 R)
• M16: 9,385,022 km (0.081 R)
• M17: 12,547,222 km (0.074 R)
• M18: 12,811,412 km (0.056 R)
• M19: 13,487,894 km (0.118 R)
• M20: 15,059,419 km (0.082 R)
• M21: 15,584,059 km (0.051 R)
• M22: 17,475,574 km (0.087 R)
• M23: 19,164,534 km (0.099 R)
• M24: 19,339,115 km (0.098 R)
• M25: 20,683,102 km (0.093 R)
• M26: 23,555,830 km (0.104 R)
• M27: 26,144,023 km (0.078 R)
• M28: 28,346,553 km (0.077 R)
• M29: 29,376,833 km (0.066 R)
• M30: 35,558,965 km (0.099 R)
• M31: 37,706,592 km (0.094 R)
• M32: 38,672,845 km (0.084 R)
• M33: 43,451,001 km (0.104 R)
• M34: 46,372,946 km (0.105 R)
• M35: 47,641,536 km (0.037 R)
• M36: 50,082,076 km (0.059 R)
• M37: 53,637,120 km (0.106 R)
• M38: 55,387,564 km (0.101 R)
• M39: 65,700,243 km (0.09 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 14,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit