🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.04 AU - 1.56 AU

Year: 541 Days

Day: 19.9 Hours

Environment

Temp: -18 °C

Axial Tilt: 61.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.25 AU - 3.41 AU

Year: 2220 Days

Day: 41.3 Hours

Environment

Temp: -106 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.9 AU - 4.46 AU

Year: 2578 Days

Day: 36.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,339,408 km

• M1: 129,851 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.65 AU - 5.29 AU

Year: 3452 Days

Day: 30 Hours

Environment

Temp: -133 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.24 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.8

Radius: 14.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.5 AU - 9.52 AU

Year: 8280 Days

Day: 8 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,339,408 km

• M1: 184,005 km (0.085 R)
• M2: 907,161 km (0.118 R)
• M3: 1,525,749 km (0.11 R)
• M4: 2,039,468 km (0.114 R)
• M5: 2,579,815 km (0.117 R)
• M6: 3,980,500 km (0.08 R)
• M7: 4,891,252 km (0.12 R)
• M8: 6,328,588 km (0.116 R)
• M9: 10,582,404 km (0.095 R)
• M10: 13,078,743 km (0.053 R)
• M11: 13,802,199 km (0.069 R)
• M12: 15,390,031 km (0.059 R)
• M13: 19,208,666 km (0.118 R)
• M14: 20,217,255 km (0.081 R)
• M15: 23,133,516 km (0.085 R)
• M16: 24,441,450 km (0.056 R)
• M17: 26,583,093 km (0.033 R)
• M18: 28,569,005 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.7

Radius: 11.9

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.26 AU - 9.24 AU

Year: 8655 Days

Day: 11.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,339,408 km

• M1: 148,700 km (0.067 R)
• M2: 530,923 km (0.092 R)
• M3: 1,134,251 km (0.091 R)
• M4: 1,716,636 km (0.105 R)
• M5: 2,309,642 km (0.09 R)
• M6: 2,744,523 km (0.11 R)
• M7: 3,584,664 km (0.104 R)
• M8: 4,560,042 km (0.089 R)
• M9: 5,377,894 km (0.055 R)
• M10: 9,943,172 km (0.064 R)
• M11: 10,488,157 km (0.084 R)
• M12: 11,000,829 km (0.114 R)
• M13: 13,880,289 km (0.105 R)
• M14: 15,991,264 km (0.118 R)
• M15: 16,948,392 km (0.115 R)
• M16: 17,943,367 km (0.068 R)
• M17: 20,521,537 km (0.107 R)
• M18: 21,162,414 km (0.096 R)
• M19: 22,148,563 km (0.114 R)
• M20: 25,018,598 km (0.095 R)
• M21: 34,876,200 km (0.117 R)
• M22: 35,904,387 km (0.091 R)
• M23: 37,424,899 km (0.032 R)
• M24: 38,623,328 km (0.062 R)

Asteroid Belt

Center: 9.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.7

Radius: 11.6

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.17 AU - 13.19 AU

Year: 12748 Days

Day: 11.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,339,408 km

• M1: 144,212 km (0.092 R)
• M2: 645,365 km (0.108 R)
• M3: 1,007,990 km (0.101 R)
• M4: 1,557,763 km (0.054 R)
• M5: 2,402,392 km (0.057 R)
• M6: 2,905,041 km (0.093 R)
• M7: 3,372,534 km (0.082 R)
• M8: 4,428,546 km (0.113 R)
• M9: 6,229,405 km (0.109 R)
• M10: 6,633,170 km (0.062 R)
• M11: 8,475,318 km (0.092 R)
• M12: 9,435,736 km (0.042 R)
• M13: 12,882,621 km (0.1 R)
• M14: 14,082,246 km (0.111 R)
• M15: 15,282,320 km (0.09 R)
• M16: 17,169,497 km (0.106 R)
• M17: 18,291,631 km (0.09 R)
• M18: 19,547,505 km (0.066 R)
• M19: 20,681,756 km (0.092 R)
• M20: 28,868,799 km (0.062 R)
• M21: 29,995,121 km (0.078 R)
• M22: 33,550,015 km (0.117 R)
• M23: 39,669,167 km (0.119 R)
• M24: 40,221,931 km (0.118 R)
• M25: 41,201,647 km (0.111 R)
• M26: 42,340,835 km (0.036 R)
• M27: 44,980,340 km (0.043 R)
• M28: 45,581,574 km (0.118 R)
• M29: 46,799,899 km (0.108 R)
• M30: 48,667,927 km (0.118 R)
• M31: 58,046,667 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.1

Radius: 8.6

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 9.01 AU - 12.67 AU

Year: 13036 Days

Day: 10.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,339,408 km

• M1: 134,788 km (0.032 R)
• M2: 471,532 km (0.09 R)
• M3: 996,771 km (0.106 R)
• M4: 2,672,267 km (0.118 R)
• M5: 4,585,175 km (0.068 R)
• M6: 4,918,479 km (0.117 R)
• M7: 5,485,305 km (0.12 R)
• M8: 6,749,258 km (0.116 R)
• M9: 7,911,035 km (0.11 R)
• M10: 8,539,645 km (0.073 R)
• M11: 10,397,650 km (0.068 R)
• M12: 12,255,506 km (0.06 R)
• M13: 14,045,146 km (0.115 R)
• M14: 15,701,643 km (0.106 R)
• M15: 16,615,835 km (0.118 R)
• M16: 19,744,825 km (0.113 R)
• M17: 24,232,162 km (0.091 R)
• M18: 27,357,112 km (0.083 R)
• M19: 30,507,045 km (0.117 R)
• M20: 33,641,270 km (0.084 R)
• M21: 40,965,881 km (0.05 R)
• M22: 45,987,881 km (0.077 R)
• M23: 49,608,449 km (0.106 R)
• M24: 51,240,263 km (0.097 R)
• M25: 58,125,953 km (0.092 R)
• M26: 58,846,716 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.1

Radius: 6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 10.59 AU - 16.67 AU

Year: 18380 Days

Day: 21.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,339,408 km

• M1: 81,082 km (0.076 R)
• M2: 315,203 km (0.119 R)
• M3: 813,663 km (0.111 R)
• M4: 1,103,284 km (0.086 R)
• M5: 2,161,839 km (0.064 R)
• M6: 2,683,038 km (0.062 R)
• M7: 3,465,135 km (0.097 R)
• M8: 4,526,383 km (0.112 R)
• M9: 4,722,356 km (0.101 R)
• M10: 6,326,344 km (0.039 R)
• M11: 6,714,850 km (0.089 R)
• M12: 7,346,153 km (0.089 R)
• M13: 12,917,477 km (0.035 R)
• M14: 21,882,728 km (0.044 R)
• M15: 28,035,987 km (0.088 R)
• M16: 31,759,478 km (0.098 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: 198 - 15,327 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit