🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.78 AU - 0.94 AU

Year: 305 Days

Day: 13.6 Hours

Environment

Temp: 20 °C

Axial Tilt: 1.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.92 AU - 1.46 AU

Year: 497 Days

Day: 36.5 Hours

Environment

Temp: -29 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,731,749 km

• M1: 502,499 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.98 AU - 3.02 AU

Year: 1513 Days

Day: 35.4 Hours

Environment

Temp: -99 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,731,749 km

• M1: 114,442 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.83 AU - 4.21 AU

Year: 2529 Days

Day: 12.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,731,749 km

• M1: 11,968 km (0.107 R)

Asteroid Belt

Center: 5.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449

Radius: 13.3

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.15 AU - 7.93 AU

Year: 6404 Days

Day: 14.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,731,749 km

• M1: 165,455 km (0.052 R)
• M2: 601,533 km (0.104 R)
• M3: 1,154,896 km (0.11 R)
• M4: 1,589,029 km (0.083 R)
• M5: 2,396,558 km (0.076 R)
• M6: 3,025,617 km (0.114 R)
• M7: 3,897,324 km (0.083 R)
• M8: 6,979,040 km (0.088 R)
• M9: 7,969,527 km (0.12 R)
• M10: 9,502,756 km (0.079 R)
• M11: 11,038,976 km (0.118 R)
• M12: 11,554,491 km (0.078 R)
• M13: 12,332,998 km (0.119 R)
• M14: 13,513,026 km (0.102 R)
• M15: 16,037,640 km (0.032 R)
• M16: 17,254,918 km (0.102 R)
• M17: 19,941,845 km (0.073 R)
• M18: 22,896,403 km (0.078 R)
• M19: 24,281,530 km (0.092 R)
• M20: 25,477,864 km (0.081 R)
• M21: 25,967,198 km (0.099 R)
• M22: 29,750,080 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597

Radius: 10

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.56 AU - 9.44 AU

Year: 8664 Days

Day: 7.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,731,749 km

• M1: 127,009 km (0.108 R)
• M2: 536,608 km (0.077 R)
• M3: 1,084,734 km (0.059 R)
• M4: 1,980,377 km (0.083 R)
• M5: 2,312,035 km (0.088 R)
• M6: 4,741,056 km (0.116 R)
• M7: 5,467,204 km (0.12 R)
• M8: 5,857,205 km (0.12 R)
• M9: 6,548,647 km (0.094 R)
• M10: 8,775,261 km (0.118 R)
• M11: 11,360,313 km (0.092 R)
• M12: 12,051,305 km (0.107 R)
• M13: 14,111,418 km (0.118 R)
• M14: 14,722,974 km (0.078 R)
• M15: 16,731,774 km (0.115 R)
• M16: 18,916,800 km (0.103 R)
• M17: 23,674,312 km (0.12 R)
• M18: 24,450,575 km (0.053 R)
• M19: 26,696,039 km (0.079 R)
• M20: 30,670,855 km (0.116 R)
• M21: 31,283,757 km (0.098 R)
• M22: 31,904,887 km (0.098 R)
• M23: 33,493,617 km (0.071 R)
• M24: 35,468,907 km (0.116 R)
• M25: 39,050,879 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.9

Radius: 3.6

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 12.68 AU - 14.94 AU

Year: 19650 Days

Day: 24.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,731,749 km

• M1: 44,879 km (0.076 R)
• M2: 218,562 km (0.084 R)
• M3: 1,530,536 km (0.106 R)
• M4: 2,127,282 km (0.045 R)
• M5: 2,995,997 km (0.111 R)
• M6: 3,176,112 km (0.027 R)
• M7: 9,301,996 km (0.068 R)
• M8: 10,691,012 km (0.09 R)
• M9: 23,041,662 km (0.083 R)
• M10: 28,751,963 km (0.112 R)
• M11: 34,081,985 km (0.072 R)
• M12: 35,221,472 km (0.115 R)
• M13: 42,858,743 km (0.047 R)
• M14: 45,130,386 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.6

Radius: 3.1

Gravity: 58.34 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 13.99 AU - 14.77 AU

Year: 20879 Days

Day: 21.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 74,731,749 km

• M1: 38,895 km (0.115 R)
• M2: 210,783 km (0.072 R)
• M3: 379,530 km (0.117 R)
• M4: 736,022 km (0.078 R)
• M5: 861,385 km (0.117 R)
• M6: 2,240,527 km (0.099 R)
• M7: 2,790,599 km (0.104 R)
• M8: 3,204,087 km (0.103 R)
• M9: 3,627,599 km (0.045 R)
• M10: 4,550,019 km (0.11 R)
• M11: 4,973,830 km (0.103 R)
• M12: 6,843,504 km (0.075 R)
• M13: 8,033,555 km (0.11 R)
• M14: 8,286,974 km (0.109 R)
• M15: 8,598,287 km (0.074 R)
• M16: 9,299,153 km (0.077 R)
• M17: 11,888,543 km (0.078 R)
• M18: 13,032,518 km (0.09 R)
• M19: 16,088,802 km (0.109 R)
• M20: 18,082,643 km (0.115 R)
• M21: 19,138,504 km (0.103 R)
• M22: 19,681,694 km (0.092 R)
• M23: 20,609,500 km (0.082 R)
• M24: 22,154,098 km (0.056 R)
• M25: 22,352,465 km (0.038 R)
• M26: 22,452,097 km (0.049 R)
• M27: 22,954,596 km (0.06 R)
• M28: 23,157,750 km (0.105 R)
• M29: 23,464,576 km (0.072 R)
• M30: 27,475,594 km (0.108 R)
• M31: 28,986,532 km (0.08 R)
• M32: 29,462,403 km (0.073 R)
• M33: 30,064,534 km (0.041 R)
• M34: 31,044,849 km (0.088 R)
• M35: 35,045,246 km (0.054 R)
• M36: 36,820,225 km (0.078 R)
• M37: 54,658,724 km (0.049 R)
• M38: 66,849,305 km (0.118 R)
• M39: 71,283,086 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.6

Radius: 6

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 13.58 AU - 17.12 AU

Year: 23027 Days

Day: 23.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,731,749 km

• M1: 78,988 km (0.104 R)
• M2: 357,988 km (0.102 R)
• M3: 603,029 km (0.109 R)
• M4: 1,119,590 km (0.117 R)
• M5: 1,356,703 km (0.06 R)
• M6: 1,802,804 km (0.109 R)
• M7: 2,430,367 km (0.106 R)
• M8: 2,881,405 km (0.104 R)
• M9: 5,605,881 km (0.083 R)
• M10: 7,107,096 km (0.083 R)
• M11: 10,212,747 km (0.117 R)
• M12: 11,063,959 km (0.092 R)
• M13: 13,045,682 km (0.047 R)
• M14: 13,755,524 km (0.11 R)
• M15: 15,800,826 km (0.08 R)
• M16: 20,388,694 km (0.082 R)
• M17: 22,933,354 km (0.096 R)
• M18: 23,652,919 km (0.071 R)
• M19: 25,354,146 km (0.103 R)
• M20: 32,332,588 km (0.101 R)
• M21: 41,540,038 km (0.036 R)
• M22: 45,119,017 km (0.115 R)
• M23: 46,247,883 km (0.07 R)
• M24: 50,089,107 km (0.077 R)
• M25: 53,957,259 km (0.118 R)
• M26: 54,318,388 km (0.058 R)
• M27: 63,479,313 km (0.117 R)
• M28: 63,881,881 km (0.12 R)
• M29: 64,895,706 km (0.036 R)
• M30: 66,747,578 km (0.105 R)
• M31: 74,731,766 km (0.086 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 14,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit