🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.94 AU - 1.16 AU

Year: 408 Days

Day: 40.7 Hours

Environment

Temp: 10 °C

Axial Tilt: 8.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.14 AU - 3.3 AU

Year: 2188 Days

Day: 38.5 Hours

Environment

Temp: -112 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 113,268,577 km

• M1: 1,836,763 km (0.056 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.2 AU - 3.3 AU

Year: 2219 Days

Day: 15 Hours

Environment

Temp: -122 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.4

Radius: 9.3

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.63 AU - 6.23 AU

Year: 5469 Days

Day: 6.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 113,268,577 km

• M1: 115,639 km (0.101 R)
• M2: 456,573 km (0.071 R)
• M3: 1,201,869 km (0.112 R)
• M4: 1,523,954 km (0.113 R)
• M5: 1,892,563 km (0.059 R)
• M6: 2,333,876 km (0.114 R)
• M7: 3,424,445 km (0.117 R)
• M8: 3,886,702 km (0.067 R)
• M9: 4,474,772 km (0.059 R)
• M10: 4,801,643 km (0.108 R)
• M11: 5,357,698 km (0.096 R)
• M12: 6,008,150 km (0.098 R)
• M13: 6,488,658 km (0.087 R)
• M14: 8,245,087 km (0.119 R)
• M15: 9,891,710 km (0.115 R)
• M16: 11,828,704 km (0.07 R)
• M17: 14,566,045 km (0.08 R)
• M18: 17,807,831 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.1

Radius: 11.7

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.68 AU - 8.82 AU

Year: 7394 Days

Day: 5.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 118.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 113,268,577 km

• M1: 145,559 km (0.098 R)
• M2: 878,289 km (0.086 R)
• M3: 1,310,777 km (0.093 R)
• M4: 1,746,555 km (0.116 R)
• M5: 2,147,477 km (0.052 R)
• M6: 2,710,564 km (0.096 R)
• M7: 3,234,156 km (0.097 R)
• M8: 3,654,826 km (0.106 R)
• M9: 4,342,976 km (0.108 R)
• M10: 4,806,280 km (0.119 R)
• M11: 5,832,671 km (0.108 R)
• M12: 6,490,453 km (0.07 R)
• M13: 6,967,072 km (0.084 R)
• M14: 7,466,729 km (0.095 R)
• M15: 8,134,085 km (0.111 R)
• M16: 9,668,959 km (0.12 R)
• M17: 10,165,026 km (0.086 R)
• M18: 10,808,895 km (0.053 R)
• M19: 13,814,765 km (0.063 R)
• M20: 16,566,917 km (0.1 R)
• M21: 17,338,393 km (0.102 R)
• M22: 20,463,194 km (0.097 R)
• M23: 21,420,770 km (0.116 R)
• M24: 24,625,156 km (0.107 R)
• M25: 26,904,130 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.4

Radius: 14.2

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.72 AU - 8.64 AU

Year: 8861 Days

Day: 6.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 113,268,577 km

• M1: 176,675 km (0.081 R)
• M2: 665,262 km (0.036 R)
• M3: 1,483,861 km (0.118 R)
• M4: 1,979,030 km (0.09 R)
• M5: 2,619,010 km (0.074 R)
• M6: 3,456,010 km (0.086 R)
• M7: 4,392,343 km (0.042 R)
• M8: 6,290,590 km (0.108 R)
• M9: 7,722,092 km (0.068 R)
• M10: 8,306,871 km (0.101 R)
• M11: 9,565,737 km (0.066 R)
• M12: 10,327,788 km (0.116 R)
• M13: 10,948,320 km (0.097 R)
• M14: 11,877,622 km (0.105 R)
• M15: 12,509,673 km (0.064 R)
• M16: 13,369,711 km (0.045 R)
• M17: 14,650,867 km (0.099 R)
• M18: 15,208,120 km (0.07 R)
• M19: 17,332,858 km (0.108 R)
• M20: 19,381,900 km (0.116 R)
• M21: 21,021,343 km (0.1 R)
• M22: 24,187,283 km (0.102 R)
• M23: 25,283,237 km (0.035 R)
• M24: 25,843,481 km (0.057 R)
• M25: 29,468,985 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.1

Radius: 12.5

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.17 AU - 9.77 AU

Year: 11038 Days

Day: 6.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 113,268,577 km

• M1: 155,881 km (0.058 R)
• M2: 562,937 km (0.116 R)
• M3: 973,433 km (0.112 R)
• M4: 1,400,834 km (0.11 R)
• M5: 2,296,028 km (0.107 R)
• M6: 3,146,642 km (0.099 R)
• M7: 4,867,915 km (0.099 R)
• M8: 5,751,440 km (0.092 R)
• M9: 6,462,628 km (0.049 R)
• M10: 7,486,925 km (0.105 R)
• M11: 10,118,202 km (0.107 R)
• M12: 10,710,460 km (0.086 R)
• M13: 11,905,298 km (0.101 R)
• M14: 12,504,587 km (0.12 R)
• M15: 12,936,177 km (0.083 R)
• M16: 15,244,771 km (0.096 R)
• M17: 16,459,955 km (0.114 R)
• M18: 21,180,515 km (0.119 R)
• M19: 22,874,861 km (0.098 R)
• M20: 24,754,109 km (0.111 R)
• M21: 25,632,698 km (0.099 R)
• M22: 27,971,959 km (0.06 R)
• M23: 29,463,749 km (0.073 R)
• M24: 36,587,002 km (0.115 R)
• M25: 43,500,966 km (0.101 R)
• M26: 45,211,768 km (0.114 R)
• M27: 47,562,100 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.3

Radius: 7.7

Gravity: 15.79 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 16.82 AU - 20.94 AU

Year: 31071 Days

Day: 22 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 113,268,577 km

• M1: 95,892 km (0.115 R)
• M2: 433,684 km (0.105 R)
• M3: 723,306 km (0.08 R)
• M4: 1,189,453 km (0.048 R)
• M5: 1,472,791 km (0.095 R)
• M6: 1,801,158 km (0.119 R)
• M7: 3,060,623 km (0.113 R)
• M8: 3,402,454 km (0.077 R)
• M9: 3,804,274 km (0.108 R)
• M10: 4,052,906 km (0.097 R)
• M11: 4,543,886 km (0.104 R)
• M12: 5,874,858 km (0.092 R)
• M13: 7,952,922 km (0.087 R)
• M14: 8,722,304 km (0.119 R)
• M15: 9,283,445 km (0.056 R)
• M16: 9,540,455 km (0.045 R)
• M17: 9,868,373 km (0.056 R)
• M18: 10,546,799 km (0.114 R)
• M19: 17,135,987 km (0.056 R)
• M20: 26,292,424 km (0.114 R)
• M21: 26,678,387 km (0.118 R)
• M22: 31,032,582 km (0.073 R)
• M23: 38,582,188 km (0.114 R)
• M24: 51,762,958 km (0.103 R)
• M25: 52,369,128 km (0.066 R)
• M26: 69,108,532 km (0.065 R)
• M27: 72,583,391 km (0.073 R)
• M28: 73,597,216 km (0.073 R)
• M29: 79,075,041 km (0.083 R)
• M30: 94,998,089 km (0.098 R)
• M31: 103,066,351 km (0.102 R)
• M32: 105,314,059 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 14,850 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit