🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.56 AU - 0.9 AU

Year: 222 Days

Day: 39.2 Hours

Environment

Temp: 178 °C

Axial Tilt: 15.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 94,399,656 km

• M1: 39,943 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.68 AU - 0.9 AU

Year: 250 Days

Day: 32.9 Hours

Environment

Temp: 121 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.34 AU - 1.64 AU

Year: 648 Days

Day: 34.5 Hours

Environment

Temp: -10 °C

Axial Tilt: 23.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 94,399,656 km

• M1: 96,341 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.81 AU - 2.39 AU

Year: 1085 Days

Day: 30 Hours

Environment

Temp: -68 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 94,399,656 km

• M1: 75,996 km (0.088 R)
• M2: 916,437 km (0.114 R)

Asteroid Belt

Center: 3.82 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.7

Radius: 13.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.17 AU - 5.89 AU

Year: 4635 Days

Day: 14.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 94,399,656 km

• M1: 169,794 km (0.105 R)
• M2: 716,275 km (0.101 R)
• M3: 1,159,084 km (0.092 R)
• M4: 2,379,504 km (0.09 R)
• M5: 2,962,038 km (0.083 R)
• M6: 3,770,764 km (0.104 R)
• M7: 5,041,747 km (0.088 R)
• M8: 5,623,982 km (0.092 R)
• M9: 6,694,206 km (0.089 R)
• M10: 8,481,900 km (0.111 R)
• M11: 9,061,741 km (0.106 R)
• M12: 9,522,802 km (0.076 R)
• M13: 9,999,570 km (0.032 R)
• M14: 12,238,751 km (0.079 R)
• M15: 13,751,335 km (0.08 R)
• M16: 14,361,545 km (0.059 R)
• M17: 17,306,828 km (0.066 R)
• M18: 19,442,038 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.7

Radius: 10.1

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.4 AU - 9.8 AU

Year: 8990 Days

Day: 5.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 111.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 94,399,656 km

• M1: 131,347 km (0.081 R)
• M2: 569,669 km (0.045 R)
• M3: 1,139,038 km (0.107 R)
• M4: 1,624,483 km (0.092 R)
• M5: 3,015,743 km (0.087 R)
• M6: 3,439,704 km (0.11 R)
• M7: 4,408,051 km (0.089 R)
• M8: 4,896,189 km (0.115 R)
• M9: 5,879,346 km (0.072 R)
• M10: 7,027,061 km (0.119 R)
• M11: 9,713,091 km (0.1 R)
• M12: 12,227,532 km (0.095 R)
• M13: 13,134,693 km (0.081 R)
• M14: 15,598,869 km (0.117 R)
• M15: 16,461,899 km (0.048 R)
• M16: 19,696,654 km (0.071 R)
• M17: 24,993,466 km (0.108 R)
• M18: 30,551,027 km (0.081 R)
• M19: 32,006,165 km (0.035 R)
• M20: 35,166,570 km (0.097 R)
• M21: 35,618,206 km (0.086 R)
• M22: 39,250,741 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.4

Radius: 10.9

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.88 AU - 10.32 AU

Year: 8990 Days

Day: 12.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 94,399,656 km

• M1: 135,536 km (0.097 R)
• M2: 626,516 km (0.094 R)
• M3: 1,035,816 km (0.101 R)
• M4: 1,407,267 km (0.087 R)
• M5: 2,931,071 km (0.111 R)
• M6: 3,930,684 km (0.06 R)
• M7: 5,679,334 km (0.063 R)
• M8: 9,264,895 km (0.103 R)
• M9: 11,123,798 km (0.08 R)
• M10: 12,755,462 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.2

Radius: 11.3

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.96 AU - 12.02 AU

Year: 12986 Days

Day: 9 Hours

Environment

Temp: -185 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 94,399,656 km

• M1: 165,605 km (0.096 R)
• M2: 541,095 km (0.11 R)
• M3: 996,621 km (0.07 R)
• M4: 1,859,502 km (0.026 R)
• M5: 2,409,723 km (0.061 R)
• M6: 4,225,392 km (0.108 R)
• M7: 6,118,403 km (0.052 R)
• M8: 7,476,752 km (0.041 R)
• M9: 9,823,045 km (0.09 R)
• M10: 13,213,830 km (0.06 R)
• M11: 17,719,120 km (0.11 R)
• M12: 21,173,933 km (0.101 R)
• M13: 21,542,393 km (0.105 R)
• M14: 23,744,772 km (0.118 R)
• M15: 25,259,600 km (0.118 R)
• M16: 25,778,555 km (0.035 R)
• M17: 26,730,596 km (0.105 R)
• M18: 27,596,469 km (0.069 R)
• M19: 28,592,791 km (0.117 R)
• M20: 33,937,025 km (0.074 R)
• M21: 34,824,140 km (0.09 R)
• M22: 35,209,056 km (0.1 R)
• M23: 36,118,162 km (0.052 R)
• M24: 37,983,348 km (0.089 R)
• M25: 40,052,137 km (0.089 R)
• M26: 41,185,640 km (0.073 R)
• M27: 42,194,827 km (0.045 R)
• M28: 55,100,935 km (0.036 R)
• M29: 64,061,548 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.4

Radius: 5.3

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 13.78 AU - 18.54 AU

Year: 23156 Days

Day: 20.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 94,399,656 km

• M1: 65,973 km (0.102 R)
• M2: 381,475 km (0.08 R)
• M3: 594,652 km (0.032 R)
• M4: 1,196,783 km (0.075 R)
• M5: 4,036,300 km (0.12 R)
• M6: 4,475,968 km (0.082 R)
• M7: 5,211,242 km (0.107 R)
• M8: 5,450,299 km (0.112 R)
• M9: 11,161,348 km (0.094 R)
• M10: 12,870,054 km (0.12 R)
• M11: 20,342,468 km (0.073 R)
• M12: 43,698,286 km (0.061 R)
• M13: 44,826,553 km (0.093 R)
• M14: 45,398,017 km (0.034 R)
• M15: 50,606,566 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.3

Radius: 6.5

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 16.3 AU - 23.06 AU

Year: 31120 Days

Day: 22.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 94,399,656 km

• M1: 140,772 km (0.073 R)
• M2: 405,560 km (0.113 R)
• M3: 612,753 km (0.066 R)
• M4: 3,085,306 km (0.112 R)
• M5: 3,690,729 km (0.118 R)
• M6: 6,677,002 km (0.067 R)
• M7: 8,006,179 km (0.113 R)
• M8: 9,686,911 km (0.088 R)
• M9: 15,517,787 km (0.096 R)
• M10: 21,594,901 km (0.066 R)
• M11: 22,668,565 km (0.057 R)
• M12: 37,074,840 km (0.075 R)
• M13: 40,351,034 km (0.08 R)
• M14: 51,516,570 km (0.032 R)
• M15: 52,466,666 km (0.103 R)
• M16: 65,458,343 km (0.095 R)
• M17: 68,839,255 km (0.079 R)
• M18: 73,047,892 km (0.12 R)
• M19: 79,173,027 km (0.11 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 13,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit