🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.41 AU - 0.69 AU

Year: 268 Days

Day: 24.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.47 AU - 0.65 AU

Year: 275 Days

Day: 33.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.64 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.8

Radius: 9.8

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.49 AU - 2.95 AU

Year: 2943 Days

Day: 8.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,206,039 km

• M1: 121,922 km (0.089 R)
• M2: 595,250 km (0.082 R)
• M3: 1,678,937 km (0.079 R)
• M4: 2,476,294 km (0.118 R)
• M5: 4,637,833 km (0.076 R)
• M6: 6,022,960 km (0.082 R)
• M7: 6,452,455 km (0.083 R)
• M8: 7,502,034 km (0.04 R)
• M9: 7,965,937 km (0.105 R)
• M10: 9,098,393 km (0.11 R)
• M11: 9,473,435 km (0.074 R)
• M12: 10,015,877 km (0.091 R)
• M13: 10,537,824 km (0.111 R)
• M14: 11,035,835 km (0.101 R)
• M15: 11,549,255 km (0.067 R)
• M16: 13,473,083 km (0.102 R)
• M17: 13,813,269 km (0.102 R)
• M18: 14,309,336 km (0.066 R)
• M19: 15,232,055 km (0.117 R)
• M20: 17,309,670 km (0.065 R)
• M21: 17,886,520 km (0.108 R)
• M22: 19,017,480 km (0.099 R)
• M23: 20,132,433 km (0.043 R)
• M24: 21,421,667 km (0.114 R)
• M25: 21,952,440 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.6

Radius: 12.6

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.46 AU - 5.36 AU

Year: 6075 Days

Day: 8.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,206,039 km

• M1: 156,779 km (0.08 R)
• M2: 614,249 km (0.092 R)
• M3: 1,016,667 km (0.097 R)
• M4: 1,542,504 km (0.084 R)
• M5: 3,242,833 km (0.082 R)
• M6: 4,031,812 km (0.111 R)
• M7: 4,590,560 km (0.113 R)
• M8: 5,990,946 km (0.1 R)
• M9: 6,720,834 km (0.091 R)
• M10: 7,251,906 km (0.113 R)
• M11: 9,617,946 km (0.033 R)
• M12: 11,689,428 km (0.037 R)
• M13: 16,379,471 km (0.118 R)
• M14: 17,082,880 km (0.116 R)
• M15: 21,506,040 km (0.084 R)
• M16: 22,583,444 km (0.085 R)
• M17: 24,348,998 km (0.098 R)
• M18: 25,097,137 km (0.095 R)
• M19: 26,291,377 km (0.033 R)
• M20: 27,167,422 km (0.066 R)
• M21: 28,153,272 km (0.119 R)
• M22: 29,723,751 km (0.115 R)
• M23: 30,291,624 km (0.114 R)
• M24: 32,436,409 km (0.032 R)
• M25: 33,139,668 km (0.049 R)
• M26: 33,852,951 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.5

Radius: 13.4

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.51 AU - 6.67 AU

Year: 8670 Days

Day: 12.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,206,039 km

• M1: 167,250 km (0.081 R)
• M2: 1,032,225 km (0.091 R)
• M3: 2,956,204 km (0.033 R)
• M4: 3,406,044 km (0.096 R)
• M5: 3,864,711 km (0.036 R)
• M6: 4,568,719 km (0.093 R)
• M7: 6,362,547 km (0.09 R)
• M8: 6,815,081 km (0.102 R)
• M9: 8,210,679 km (0.085 R)
• M10: 8,976,321 km (0.114 R)
• M11: 10,035,025 km (0.071 R)
• M12: 11,367,344 km (0.04 R)
• M13: 12,523,735 km (0.053 R)
• M14: 15,210,513 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.7

Radius: 7.9

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.61 AU - 6.95 AU

Year: 11581 Days

Day: 22.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,206,039 km

• M1: 98,286 km (0.041 R)
• M2: 634,594 km (0.095 R)
• M3: 1,060,799 km (0.043 R)
• M4: 1,483,861 km (0.058 R)
• M5: 1,982,321 km (0.104 R)
• M6: 3,504,929 km (0.042 R)
• M7: 4,189,788 km (0.12 R)
• M8: 5,963,719 km (0.116 R)
• M9: 6,703,780 km (0.075 R)
• M10: 7,016,439 km (0.102 R)
• M11: 7,462,241 km (0.097 R)
• M12: 9,148,807 km (0.081 R)
• M13: 9,582,791 km (0.09 R)
• M14: 11,292,395 km (0.096 R)
• M15: 11,568,104 km (0.115 R)
• M16: 12,598,085 km (0.048 R)
• M17: 15,237,142 km (0.079 R)
• M18: 18,299,410 km (0.082 R)
• M19: 21,243,496 km (0.096 R)
• M20: 25,989,638 km (0.107 R)
• M21: 28,151,627 km (0.106 R)
• M22: 33,732,973 km (0.065 R)
• M23: 35,824,950 km (0.085 R)
• M24: 37,145,002 km (0.066 R)
• M25: 37,510,619 km (0.109 R)
• M26: 44,235,193 km (0.07 R)
• M27: 45,614,336 km (0.09 R)
• M28: 45,893,635 km (0.102 R)
• M29: 46,455,524 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.2

Radius: 5.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.53 AU - 9.91 AU

Year: 15460 Days

Day: 17.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,206,039 km

• M1: 73,303 km (0.047 R)
• M2: 931,845 km (0.083 R)
• M3: 1,414,897 km (0.104 R)
• M4: 2,795,386 km (0.1 R)
• M5: 3,981,547 km (0.084 R)
• M6: 4,601,331 km (0.094 R)
• M7: 5,074,509 km (0.09 R)
• M8: 5,634,604 km (0.044 R)
• M9: 5,886,826 km (0.077 R)
• M10: 13,043,887 km (0.102 R)
• M11: 13,535,765 km (0.107 R)
• M12: 13,887,320 km (0.107 R)
• M13: 14,504,262 km (0.079 R)
• M14: 20,570,904 km (0.083 R)
• M15: 21,169,894 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.7

Radius: 6.5

Gravity: 22.34 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.78 AU - 10.48 AU

Year: 18097 Days

Day: 19.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,206,039 km

• M1: 80,932 km (0.095 R)
• M2: 632,201 km (0.034 R)
• M3: 970,142 km (0.059 R)
• M4: 1,174,642 km (0.06 R)
• M5: 1,487,601 km (0.056 R)
• M6: 2,260,274 km (0.087 R)
• M7: 3,055,537 km (0.108 R)
• M8: 5,106,972 km (0.099 R)
• M9: 9,276,265 km (0.096 R)
• M10: 12,540,191 km (0.112 R)
• M11: 13,031,022 km (0.111 R)
• M12: 13,461,864 km (0.1 R)
• M13: 13,680,875 km (0.067 R)
• M14: 14,427,967 km (0.077 R)
• M15: 16,748,080 km (0.067 R)
• M16: 17,515,966 km (0.106 R)
• M17: 20,822,976 km (0.068 R)
• M18: 21,116,039 km (0.088 R)
• M19: 21,710,391 km (0.083 R)
• M20: 22,214,237 km (0.06 R)
• M21: 24,307,560 km (0.108 R)
• M22: 25,291,016 km (0.101 R)
• M23: 25,736,668 km (0.084 R)
• M24: 30,609,520 km (0.099 R)
• M25: 36,486,322 km (0.104 R)
• M26: 41,357,229 km (0.106 R)
• M27: 41,665,700 km (0.102 R)
• M28: 44,672,617 km (0.041 R)
• M29: 49,017,388 km (0.094 R)
• M30: 52,545,205 km (0.078 R)
• M31: 53,088,544 km (0.041 R)
• M32: 56,427,569 km (0.03 R)
• M33: 61,093,975 km (0.08 R)
• M34: 64,757,777 km (0.091 R)
• M35: 71,850,511 km (0.069 R)
• M36: 75,698,617 km (0.112 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: 203 - 19,305 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit