🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.51 AU - 0.61 AU

Year: 275 Days

Day: 12.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.5

Radius: 10.9

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.02 AU - 1.16 AU

Year: 747 Days

Day: 9.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,374,026 km

• M1: 135,536 km (0.097 R)
• M2: 544,686 km (0.079 R)
• M3: 954,584 km (0.056 R)
• M4: 1,388,268 km (0.119 R)
• M5: 1,890,169 km (0.116 R)
• M6: 2,414,510 km (0.107 R)
• M7: 3,185,387 km (0.089 R)
• M8: 6,666,231 km (0.068 R)
• M9: 7,304,116 km (0.096 R)
• M10: 7,743,934 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853

Radius: 14

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.09 AU - 1.65 AU

Year: 1052 Days

Day: 5.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,374,026 km

• M1: 174,132 km (0.091 R)
• M2: 676,182 km (0.111 R)
• M3: 1,212,341 km (0.108 R)
• M4: 1,719,927 km (0.092 R)
• M5: 2,382,346 km (0.082 R)
• M6: 3,685,792 km (0.091 R)
• M7: 4,122,917 km (0.037 R)
• M8: 4,704,703 km (0.114 R)
• M9: 5,142,277 km (0.071 R)
• M10: 6,122,143 km (0.102 R)
• M11: 7,992,266 km (0.063 R)
• M12: 9,102,282 km (0.085 R)
• M13: 10,344,394 km (0.078 R)
• M14: 10,989,908 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.5

Radius: 8.8

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.39 AU - 2.07 AU

Year: 1493 Days

Day: 11.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,374,026 km

• M1: 110,254 km (0.108 R)
• M2: 522,695 km (0.117 R)
• M3: 949,348 km (0.056 R)
• M4: 1,346,830 km (0.088 R)
• M5: 1,674,599 km (0.08 R)
• M6: 2,055,774 km (0.054 R)
• M7: 3,384,353 km (0.106 R)
• M8: 3,980,500 km (0.109 R)
• M9: 4,415,531 km (0.119 R)
• M10: 4,703,357 km (0.085 R)
• M11: 5,777,470 km (0.09 R)
• M12: 6,628,682 km (0.12 R)
• M13: 6,981,433 km (0.093 R)
• M14: 7,534,198 km (0.109 R)
• M15: 8,403,062 km (0.098 R)
• M16: 8,846,620 km (0.108 R)
• M17: 9,652,653 km (0.082 R)
• M18: 12,669,144 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.1

Radius: 13.6

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.73 AU - 1.79 AU

Year: 1532 Days

Day: 6.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,374,026 km

• M1: 169,195 km (0.117 R)
• M2: 690,993 km (0.054 R)
• M3: 1,221,766 km (0.089 R)
• M4: 1,724,714 km (0.095 R)
• M5: 2,655,961 km (0.113 R)
• M6: 3,265,123 km (0.11 R)
• M7: 5,670,956 km (0.077 R)
• M8: 6,929,224 km (0.061 R)
• M9: 8,090,851 km (0.087 R)
• M10: 9,081,189 km (0.114 R)
• M11: 10,765,661 km (0.091 R)
• M12: 11,508,714 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.3

Radius: 8.5

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.12 AU - 3.86 AU

Year: 4277 Days

Day: 12.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,374,026 km

• M1: 106,514 km (0.11 R)
• M2: 375,341 km (0.103 R)
• M3: 942,616 km (0.027 R)
• M4: 1,380,639 km (0.099 R)
• M5: 3,329,899 km (0.032 R)
• M6: 4,351,652 km (0.09 R)
• M7: 4,769,180 km (0.112 R)
• M8: 5,342,589 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.6

Radius: 7.5

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.55 AU - 8.85 AU

Year: 14017 Days

Day: 22.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,374,026 km

• M1: 94,695 km (0.077 R)
• M2: 647,609 km (0.046 R)
• M3: 1,172,997 km (0.095 R)
• M4: 3,142,752 km (0.072 R)
• M5: 7,350,491 km (0.112 R)
• M6: 8,779,600 km (0.104 R)
• M7: 10,439,987 km (0.101 R)
• M8: 10,717,042 km (0.112 R)
• M9: 17,972,389 km (0.058 R)
• M10: 20,280,235 km (0.119 R)
• M11: 23,245,415 km (0.059 R)
• M12: 31,492,297 km (0.116 R)
• M13: 32,188,375 km (0.085 R)
• M14: 37,221,596 km (0.092 R)
• M15: 38,788,334 km (0.095 R)
• M16: 41,774,009 km (0.092 R)
• M17: 45,496,004 km (0.045 R)
• M18: 52,288,196 km (0.072 R)
• M19: 55,924,471 km (0.095 R)
• M20: 57,459,495 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.1

Radius: 3.4

Gravity: 82.79 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.52 AU - 10.7 AU

Year: 16573 Days

Day: 24.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 71,374,026 km

• M1: 46,375 km (0.099 R)
• M2: 171,888 km (0.112 R)
• M3: 391,647 km (0.105 R)
• M4: 524,939 km (0.107 R)
• M5: 777,311 km (0.048 R)
• M6: 1,028,186 km (0.103 R)
• M7: 1,172,548 km (0.103 R)
• M8: 1,535,024 km (0.045 R)
• M9: 2,811,842 km (0.11 R)
• M10: 3,176,112 km (0.111 R)
• M11: 3,369,692 km (0.104 R)
• M12: 3,483,686 km (0.107 R)
• M13: 4,125,460 km (0.116 R)
• M14: 4,322,481 km (0.089 R)
• M15: 5,136,443 km (0.09 R)
• M16: 5,964,168 km (0.116 R)
• M17: 7,248,166 km (0.117 R)
• M18: 8,812,511 km (0.117 R)
• M19: 9,250,085 km (0.105 R)
• M20: 11,208,770 km (0.049 R)
• M21: 17,066,873 km (0.031 R)
• M22: 24,150,183 km (0.088 R)
• M23: 24,574,891 km (0.109 R)
• M24: 24,681,853 km (0.104 R)
• M25: 26,887,225 km (0.117 R)
• M26: 28,743,286 km (0.076 R)
• M27: 39,608,131 km (0.094 R)
• M28: 42,158,475 km (0.106 R)
• M29: 42,774,070 km (0.101 R)
• M30: 44,180,889 km (0.092 R)
• M31: 47,749,247 km (0.057 R)
• M32: 50,981,608 km (0.075 R)
• M33: 51,680,230 km (0.117 R)
• M34: 52,208,310 km (0.032 R)
• M35: 53,454,610 km (0.055 R)
• M36: 54,538,447 km (0.061 R)
• M37: 61,942,943 km (0.086 R)
• M38: 64,756,281 km (0.118 R)
• M39: 69,989,513 km (0.091 R)
• M40: 71,069,012 km (0.118 R)
• M41: 75,046,669 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.1

Radius: 4.4

Gravity: 40.24 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.25 AU - 9.29 AU

Year: 17038 Days

Day: 17 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,374,026 km

• M1: 62,532 km (0.114 R)
• M2: 536,159 km (0.103 R)
• M3: 793,617 km (0.115 R)
• M4: 1,090,718 km (0.056 R)
• M5: 1,279,511 km (0.049 R)
• M6: 1,942,080 km (0.119 R)
• M7: 2,760,081 km (0.099 R)
• M8: 3,638,071 km (0.07 R)
• M9: 4,450,088 km (0.079 R)
• M10: 5,189,101 km (0.114 R)
• M11: 5,452,693 km (0.067 R)
• M12: 6,129,922 km (0.087 R)
• M13: 6,339,509 km (0.106 R)
• M14: 7,179,351 km (0.076 R)
• M15: 8,292,210 km (0.089 R)
• M16: 16,644,259 km (0.077 R)
• M17: 21,028,225 km (0.103 R)
• M18: 23,688,075 km (0.099 R)
• M19: 25,905,564 km (0.107 R)
• M20: 30,263,051 km (0.101 R)
• M21: 31,734,346 km (0.109 R)
• M22: 35,485,662 km (0.076 R)
• M23: 39,377,900 km (0.103 R)
• M24: 40,834,235 km (0.101 R)
• M25: 42,477,119 km (0.117 R)
• M26: 43,391,610 km (0.116 R)
• M27: 44,944,735 km (0.082 R)
• M28: 50,502,296 km (0.098 R)
• M29: 51,013,622 km (0.098 R)
• M30: 52,046,446 km (0.09 R)
• M31: 53,621,861 km (0.09 R)
• M32: 55,409,256 km (0.088 R)
• M33: 55,771,433 km (0.113 R)
• M34: 56,500,573 km (0.097 R)
• M35: 57,420,899 km (0.106 R)
• M36: 57,791,752 km (0.051 R)
• M37: 65,145,983 km (0.102 R)
• M38: 70,309,503 km (0.1 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 19,088 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit