🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.3

Radius: 9.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.71 AU - 0.81 AU

Year: 442 Days

Day: 13.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,276,613 km

• M1: 121,922 km (0.09 R)
• M2: 487,839 km (0.092 R)
• M3: 892,650 km (0.112 R)
• M4: 1,237,324 km (0.075 R)
• M5: 1,590,525 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.1

Radius: 13

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.23 AU - 1.53 AU

Year: 1081 Days

Day: 7.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,276,613 km

• M1: 163,211 km (0.057 R)
• M2: 623,374 km (0.049 R)
• M3: 1,067,830 km (0.059 R)
• M4: 1,511,986 km (0.117 R)
• M5: 2,091,827 km (0.107 R)
• M6: 2,817,377 km (0.064 R)
• M7: 3,432,074 km (0.09 R)
• M8: 4,087,313 km (0.11 R)
• M9: 4,512,919 km (0.107 R)
• M10: 5,244,602 km (0.084 R)
• M11: 6,348,934 km (0.115 R)
• M12: 6,764,666 km (0.112 R)
• M13: 7,268,961 km (0.084 R)
• M14: 7,921,955 km (0.078 R)
• M15: 8,378,827 km (0.1 R)
• M16: 9,598,648 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.7

Radius: 12

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.62 AU - 2.74 AU

Year: 2926 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,276,613 km

• M1: 149,448 km (0.094 R)
• M2: 592,707 km (0.116 R)
• M3: 1,404,724 km (0.078 R)
• M4: 2,323,853 km (0.063 R)
• M5: 3,156,964 km (0.088 R)
• M6: 3,625,804 km (0.118 R)
• M7: 4,297,049 km (0.052 R)
• M8: 5,434,292 km (0.085 R)
• M9: 7,546,465 km (0.116 R)
• M10: 7,930,632 km (0.099 R)
• M11: 10,444,475 km (0.034 R)
• M12: 10,997,239 km (0.098 R)
• M13: 14,733,595 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.7

Radius: 8.7

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.44 AU - 3.04 AU

Year: 3025 Days

Day: 14.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,276,613 km

• M1: 108,309 km (0.107 R)
• M2: 437,723 km (0.061 R)
• M3: 1,036,863 km (0.092 R)
• M4: 1,365,230 km (0.114 R)
• M5: 1,951,055 km (0.096 R)
• M6: 2,443,681 km (0.078 R)
• M7: 2,744,523 km (0.1 R)
• M8: 3,326,458 km (0.072 R)
• M9: 4,031,214 km (0.073 R)
• M10: 4,339,535 km (0.088 R)
• M11: 5,231,587 km (0.088 R)
• M12: 5,626,226 km (0.086 R)
• M13: 6,040,612 km (0.101 R)
• M14: 6,594,573 km (0.118 R)
• M15: 7,213,909 km (0.091 R)
• M16: 10,245,659 km (0.112 R)
• M17: 11,420,750 km (0.045 R)
• M18: 11,906,046 km (0.103 R)
• M19: 13,591,415 km (0.102 R)
• M20: 15,644,048 km (0.099 R)
• M21: 16,687,942 km (0.11 R)
• M22: 18,131,412 km (0.033 R)
• M23: 18,975,144 km (0.038 R)
• M24: 21,330,861 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.3

Radius: 9.5

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.18 AU - 3.56 AU

Year: 4125 Days

Day: 6.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,276,613 km

• M1: 120,127 km (0.097 R)
• M2: 499,806 km (0.12 R)
• M3: 795,262 km (0.115 R)
• M4: 1,552,377 km (0.102 R)
• M5: 1,941,631 km (0.086 R)
• M6: 2,380,551 km (0.079 R)
• M7: 3,659,314 km (0.106 R)
• M8: 4,662,517 km (0.073 R)
• M9: 5,373,556 km (0.073 R)
• M10: 6,243,018 km (0.055 R)
• M11: 7,567,259 km (0.095 R)
• M12: 8,117,928 km (0.099 R)
• M13: 10,093,967 km (0.059 R)
• M14: 13,038,502 km (0.025 R)
• M15: 14,917,900 km (0.042 R)
• M16: 17,914,943 km (0.084 R)
• M17: 21,291,517 km (0.084 R)
• M18: 23,379,454 km (0.097 R)
• M19: 24,399,114 km (0.082 R)
• M20: 24,695,916 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.9

Radius: 10.4

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.87 AU - 5.67 AU

Year: 6947 Days

Day: 14.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,276,613 km

• M1: 152,291 km (0.077 R)
• M2: 600,486 km (0.062 R)
• M3: 1,012,329 km (0.09 R)
• M4: 1,771,089 km (0.109 R)
• M5: 2,310,240 km (0.089 R)
• M6: 2,744,373 km (0.095 R)
• M7: 5,150,355 km (0.049 R)
• M8: 6,537,128 km (0.092 R)
• M9: 7,070,893 km (0.098 R)
• M10: 8,848,116 km (0.112 R)
• M11: 9,955,140 km (0.11 R)
• M12: 11,571,844 km (0.088 R)
• M13: 14,265,952 km (0.084 R)
• M14: 15,215,749 km (0.103 R)
• M15: 16,637,527 km (0.119 R)
• M16: 18,492,990 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.2

Radius: 3.6

Gravity: 45.08 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.81 AU - 9.05 AU

Year: 14892 Days

Day: 18.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 59,276,613 km

• M1: 46,375 km (0.092 R)
• M2: 229,034 km (0.098 R)
• M3: 666,907 km (0.07 R)
• M4: 981,362 km (0.114 R)
• M5: 1,373,159 km (0.057 R)
• M6: 1,534,725 km (0.1 R)
• M7: 1,949,559 km (0.115 R)
• M8: 2,694,706 km (0.118 R)
• M9: 2,854,627 km (0.101 R)
• M10: 3,778,992 km (0.09 R)
• M11: 3,979,603 km (0.099 R)
• M12: 4,527,879 km (0.099 R)
• M13: 5,550,979 km (0.069 R)
• M14: 5,698,033 km (0.104 R)
• M15: 5,923,627 km (0.034 R)
• M16: 7,185,335 km (0.118 R)
• M17: 7,360,215 km (0.088 R)
• M18: 9,580,397 km (0.085 R)
• M19: 12,086,461 km (0.116 R)
• M20: 13,889,863 km (0.055 R)
• M21: 16,461,899 km (0.119 R)
• M22: 17,073,755 km (0.098 R)
• M23: 19,418,552 km (0.104 R)
• M24: 22,523,455 km (0.087 R)
• M25: 22,710,303 km (0.095 R)
• M26: 26,666,868 km (0.097 R)
• M27: 29,582,381 km (0.095 R)
• M28: 30,599,496 km (0.113 R)
• M29: 34,528,535 km (0.092 R)
• M30: 35,655,605 km (0.097 R)
• M31: 37,326,614 km (0.068 R)
• M32: 39,998,132 km (0.098 R)
• M33: 41,240,842 km (0.061 R)
• M34: 43,368,872 km (0.069 R)
• M35: 44,240,130 km (0.12 R)
• M36: 46,620,531 km (0.104 R)
• M37: 50,508,579 km (0.11 R)
• M38: 50,989,237 km (0.098 R)
• M39: 51,959,529 km (0.118 R)
• M40: 55,622,882 km (0.105 R)
• M41: 56,650,918 km (0.095 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 14,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit