🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.3

Radius: 11.1

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.47 AU - 0.63 AU

Year: 277 Days

Day: 8.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,801,304 km

• M1: 138,378 km (0.068 R)
• M2: 540,647 km (0.055 R)
• M3: 1,000,959 km (0.11 R)
• M4: 1,684,023 km (0.077 R)
• M5: 3,177,309 km (0.113 R)
• M6: 3,590,349 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.1

Radius: 14.1

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.09 AU - 1.19 AU

Year: 826 Days

Day: 6.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,801,304 km

• M1: 175,329 km (0.097 R)
• M2: 623,075 km (0.104 R)
• M3: 1,303,147 km (0.098 R)
• M4: 1,809,536 km (0.11 R)
• M5: 2,438,296 km (0.104 R)
• M6: 2,947,826 km (0.049 R)
• M7: 3,594,986 km (0.08 R)
• M8: 4,082,825 km (0.079 R)
• M9: 4,840,538 km (0.099 R)
• M10: 5,279,758 km (0.114 R)
• M11: 5,857,205 km (0.079 R)
• M12: 6,577,070 km (0.077 R)
• M13: 7,290,203 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.3

Radius: 12.1

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.11 AU - 4.05 AU

Year: 4594 Days

Day: 9.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,801,304 km

• M1: 150,495 km (0.057 R)
• M2: 644,318 km (0.056 R)
• M3: 1,112,709 km (0.084 R)
• M4: 1,990,250 km (0.036 R)
• M5: 2,436,800 km (0.085 R)
• M6: 3,223,685 km (0.12 R)
• M7: 3,913,929 km (0.117 R)
• M8: 4,596,694 km (0.091 R)
• M9: 5,708,206 km (0.109 R)
• M10: 7,518,939 km (0.038 R)
• M11: 7,960,252 km (0.103 R)
• M12: 8,654,686 km (0.117 R)
• M13: 9,180,971 km (0.104 R)
• M14: 15,040,869 km (0.119 R)
• M15: 20,285,022 km (0.029 R)
• M16: 20,998,156 km (0.119 R)
• M17: 23,083,849 km (0.083 R)
• M18: 23,782,770 km (0.056 R)
• M19: 24,655,973 km (0.114 R)
• M20: 25,222,650 km (0.096 R)
• M21: 26,719,975 km (0.115 R)
• M22: 27,232,048 km (0.101 R)
• M23: 27,663,638 km (0.085 R)
• M24: 29,982,555 km (0.103 R)
• M25: 30,628,369 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.4

Radius: 8.1

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.6 AU - 3.9 AU

Year: 4925 Days

Day: 8.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,801,304 km

• M1: 100,679 km (0.104 R)
• M2: 353,799 km (0.107 R)
• M3: 608,863 km (0.117 R)
• M4: 1,133,503 km (0.087 R)
• M5: 1,986,361 km (0.085 R)
• M6: 2,532,692 km (0.103 R)
• M7: 4,076,392 km (0.105 R)
• M8: 5,846,285 km (0.088 R)
• M9: 6,617,911 km (0.038 R)
• M10: 7,158,109 km (0.092 R)
• M11: 7,455,808 km (0.119 R)
• M12: 7,970,425 km (0.09 R)
• M13: 10,477,984 km (0.086 R)
• M14: 10,862,301 km (0.112 R)
• M15: 13,974,236 km (0.042 R)
• M16: 17,754,574 km (0.088 R)
• M17: 22,375,952 km (0.111 R)
• M18: 23,013,688 km (0.057 R)
• M19: 23,518,132 km (0.096 R)
• M20: 25,303,433 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167

Radius: 11.3

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.96 AU - 5.9 AU

Year: 7424 Days

Day: 8.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,801,304 km

• M1: 140,472 km (0.036 R)
• M2: 540,497 km (0.094 R)
• M3: 955,482 km (0.11 R)
• M4: 1,417,589 km (0.102 R)
• M5: 1,835,267 km (0.117 R)
• M6: 2,379,803 km (0.054 R)
• M7: 2,994,949 km (0.105 R)
• M8: 3,632,685 km (0.117 R)
• M9: 5,818,759 km (0.093 R)
• M10: 6,244,514 km (0.111 R)
• M11: 8,021,139 km (0.112 R)
• M12: 9,366,323 km (0.098 R)
• M13: 11,547,609 km (0.054 R)
• M14: 12,313,850 km (0.107 R)
• M15: 15,238,189 km (0.09 R)
• M16: 16,550,312 km (0.073 R)
• M17: 18,718,733 km (0.112 R)
• M18: 20,286,967 km (0.104 R)
• M19: 21,335,648 km (0.112 R)
• M20: 22,558,162 km (0.115 R)
• M21: 23,683,437 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.3

Radius: 14.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.66 AU - 5.46 AU

Year: 7720 Days

Day: 11.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,801,304 km

• M1: 184,155 km (0.084 R)
• M2: 920,027 km (0.094 R)
• M3: 1,740,422 km (0.095 R)
• M4: 2,546,455 km (0.062 R)
• M5: 3,429,681 km (0.111 R)
• M6: 4,454,576 km (0.051 R)
• M7: 5,235,477 km (0.1 R)
• M8: 6,140,095 km (0.099 R)
• M9: 6,630,327 km (0.118 R)
• M10: 7,299,329 km (0.093 R)
• M11: 8,729,335 km (0.077 R)
• M12: 11,344,007 km (0.111 R)
• M13: 12,139,568 km (0.06 R)
• M14: 14,566,494 km (0.072 R)
• M15: 15,829,250 km (0.092 R)
• M16: 16,891,096 km (0.106 R)
• M17: 18,213,092 km (0.046 R)
• M18: 19,304,857 km (0.11 R)
• M19: 21,141,620 km (0.093 R)
• M20: 21,618,538 km (0.109 R)
• M21: 32,629,839 km (0.113 R)
• M22: 33,913,388 km (0.101 R)
• M23: 37,965,696 km (0.072 R)
• M24: 41,209,426 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.1

Radius: 10.7

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.45 AU - 5.85 AU

Year: 7927 Days

Day: 6.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,801,304 km

• M1: 136,284 km (0.098 R)
• M2: 579,542 km (0.045 R)
• M3: 1,130,062 km (0.114 R)
• M4: 1,639,742 km (0.105 R)
• M5: 2,080,158 km (0.067 R)
• M6: 3,221,889 km (0.085 R)
• M7: 4,840,987 km (0.118 R)
• M8: 5,813,972 km (0.089 R)
• M9: 6,784,263 km (0.057 R)
• M10: 10,049,387 km (0.115 R)
• M11: 12,619,029 km (0.068 R)
• M12: 15,993,658 km (0.088 R)
• M13: 17,521,800 km (0.119 R)
• M14: 23,712,758 km (0.075 R)
• M15: 25,228,634 km (0.074 R)
• M16: 26,089,420 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.6

Radius: 3.3

Gravity: 75.35 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.09 AU - 8.69 AU

Year: 15032 Days

Day: 16.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 66,801,304 km

• M1: 44,431 km (0.097 R)
• M2: 168,298 km (0.12 R)
• M3: 695,331 km (0.071 R)
• M4: 874,699 km (0.077 R)
• M5: 1,228,049 km (0.051 R)
• M6: 1,554,172 km (0.114 R)
• M7: 1,669,213 km (0.11 R)
• M8: 2,619,010 km (0.115 R)
• M9: 2,903,395 km (0.093 R)
• M10: 3,287,413 km (0.098 R)
• M11: 3,704,342 km (0.101 R)
• M12: 4,001,145 km (0.102 R)
• M13: 4,218,211 km (0.093 R)
• M14: 4,345,818 km (0.103 R)
• M15: 5,536,318 km (0.079 R)
• M16: 6,084,145 km (0.056 R)
• M17: 6,581,708 km (0.104 R)
• M18: 7,286,613 km (0.074 R)
• M19: 8,187,342 km (0.097 R)
• M20: 9,320,097 km (0.094 R)
• M21: 10,321,505 km (0.101 R)
• M22: 12,339,580 km (0.083 R)
• M23: 15,194,357 km (0.083 R)
• M24: 15,419,053 km (0.053 R)
• M25: 16,813,903 km (0.117 R)
• M26: 18,715,591 km (0.039 R)
• M27: 20,940,112 km (0.089 R)
• M28: 23,834,382 km (0.099 R)
• M29: 27,203,774 km (0.104 R)
• M30: 27,313,878 km (0.098 R)
• M31: 29,116,383 km (0.075 R)
• M32: 32,458,998 km (0.116 R)
• M33: 33,966,645 km (0.118 R)
• M34: 34,094,252 km (0.103 R)
• M35: 34,350,663 km (0.109 R)
• M36: 38,490,335 km (0.108 R)
• M37: 39,328,083 km (0.099 R)
• M38: 46,473,177 km (0.104 R)
• M39: 54,610,852 km (0.105 R)
• M40: 62,300,033 km (0.051 R)
• M41: 63,067,770 km (0.056 R)
• M42: 64,818,513 km (0.079 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 18,515 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit