🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.42 AU - 0.62 AU

Year: 136 Days

Day: 14.1 Hours

Environment

Temp: 188 °C

Axial Tilt: 10.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.77 AU - 4.37 AU

Year: 2969 Days

Day: 29.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.8

Radius: 11.2

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.35 AU - 6.13 AU

Year: 4338 Days

Day: 10.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,291,122 km

• M1: 164,558 km (0.1 R)
• M2: 527,632 km (0.102 R)
• M3: 1,080,545 km (0.106 R)
• M4: 1,773,483 km (0.11 R)
• M5: 2,281,816 km (0.061 R)
• M6: 2,639,206 km (0.046 R)
• M7: 3,110,140 km (0.061 R)
• M8: 3,679,808 km (0.077 R)
• M9: 5,582,544 km (0.062 R)
• M10: 6,176,896 km (0.097 R)
• M11: 7,215,404 km (0.08 R)
• M12: 8,442,556 km (0.085 R)
• M13: 10,361,298 km (0.097 R)
• M14: 11,030,599 km (0.057 R)
• M15: 11,539,681 km (0.084 R)
• M16: 12,258,947 km (0.054 R)
• M17: 13,367,767 km (0.118 R)
• M18: 13,893,304 km (0.107 R)
• M19: 14,707,415 km (0.044 R)
• M20: 16,490,622 km (0.094 R)
• M21: 18,221,320 km (0.119 R)
• M22: 18,998,930 km (0.113 R)
• M23: 22,997,980 km (0.096 R)
• M24: 24,759,495 km (0.11 R)
• M25: 26,281,204 km (0.079 R)
• M26: 28,205,482 km (0.049 R)
• M27: 29,686,949 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.8

Radius: 14.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.57 AU - 6.91 AU

Year: 4973 Days

Day: 7.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,291,122 km

• M1: 177,124 km (0.079 R)
• M2: 633,397 km (0.099 R)
• M3: 1,194,389 km (0.057 R)
• M4: 1,767,050 km (0.045 R)
• M5: 2,355,119 km (0.091 R)
• M6: 3,052,993 km (0.112 R)
• M7: 5,429,356 km (0.062 R)
• M8: 5,973,443 km (0.098 R)
• M9: 7,031,399 km (0.096 R)
• M10: 8,133,187 km (0.045 R)
• M11: 9,777,717 km (0.05 R)
• M12: 11,585,457 km (0.11 R)
• M13: 12,184,148 km (0.118 R)
• M14: 13,067,524 km (0.101 R)
• M15: 13,937,585 km (0.119 R)
• M16: 15,612,782 km (0.11 R)
• M17: 18,540,113 km (0.074 R)
• M18: 20,133,181 km (0.114 R)
• M19: 21,591,161 km (0.063 R)
• M20: 23,590,387 km (0.101 R)
• M21: 24,716,710 km (0.112 R)
• M22: 27,337,964 km (0.111 R)
• M23: 28,400,707 km (0.084 R)
• M24: 29,582,979 km (0.049 R)
• M25: 32,632,681 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.9

Radius: 8.3

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.71 AU - 8.51 AU

Year: 7592 Days

Day: 10.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,291,122 km

• M1: 103,223 km (0.026 R)
• M2: 382,971 km (0.119 R)
• M3: 789,428 km (0.103 R)
• M4: 1,082,490 km (0.116 R)
• M5: 1,470,996 km (0.12 R)
• M6: 2,871,082 km (0.119 R)
• M7: 4,719,364 km (0.093 R)
• M8: 5,051,471 km (0.089 R)
• M9: 5,371,760 km (0.118 R)
• M10: 7,315,336 km (0.077 R)
• M11: 8,481,750 km (0.109 R)
• M12: 10,607,686 km (0.109 R)
• M13: 14,136,849 km (0.047 R)
• M14: 14,882,894 km (0.076 R)
• M15: 16,337,434 km (0.066 R)
• M16: 17,398,382 km (0.118 R)
• M17: 19,657,011 km (0.032 R)
• M18: 20,586,013 km (0.113 R)
• M19: 22,890,868 km (0.071 R)
• M20: 24,747,677 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.9

Radius: 11.3

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.02 AU - 10.5 AU

Year: 9377 Days

Day: 10.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 145.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,291,122 km

• M1: 140,472 km (0.11 R)
• M2: 1,696,739 km (0.072 R)
• M3: 4,208,637 km (0.098 R)
• M4: 5,244,004 km (0.041 R)
• M5: 5,765,652 km (0.087 R)
• M6: 6,417,599 km (0.092 R)
• M7: 7,015,093 km (0.119 R)
• M8: 8,731,130 km (0.112 R)
• M9: 12,101,121 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.6

Radius: 12.4

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 9.63 AU - 13.83 AU

Year: 14529 Days

Day: 8.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,291,122 km

• M1: 169,046 km (0.105 R)
• M2: 838,795 km (0.109 R)
• M3: 1,484,310 km (0.083 R)
• M4: 1,921,136 km (0.065 R)
• M5: 2,675,408 km (0.101 R)
• M6: 3,109,990 km (0.091 R)
• M7: 4,455,025 km (0.075 R)
• M8: 5,741,117 km (0.06 R)
• M9: 10,022,160 km (0.103 R)
• M10: 12,459,857 km (0.077 R)
• M11: 13,094,002 km (0.116 R)
• M12: 13,616,697 km (0.025 R)
• M13: 16,069,504 km (0.097 R)
• M14: 16,745,088 km (0.1 R)
• M15: 25,883,274 km (0.056 R)
• M16: 28,626,450 km (0.095 R)
• M17: 30,407,862 km (0.106 R)
• M18: 45,144,897 km (0.077 R)
• M19: 53,951,874 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.5

Radius: 7.5

Gravity: 13.91 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 10.68 AU - 15.34 AU

Year: 16971 Days

Day: 23.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,291,122 km

• M1: 93,349 km (0.106 R)
• M2: 605,123 km (0.043 R)
• M3: 2,133,266 km (0.112 R)
• M4: 2,842,509 km (0.104 R)
• M5: 3,093,834 km (0.097 R)
• M6: 3,442,845 km (0.077 R)
• M7: 6,624,493 km (0.059 R)
• M8: 9,372,007 km (0.103 R)
• M9: 12,463,298 km (0.106 R)
• M10: 13,417,882 km (0.081 R)
• M11: 14,420,487 km (0.073 R)
• M12: 19,645,940 km (0.119 R)
• M13: 22,185,215 km (0.068 R)
• M14: 22,480,222 km (0.117 R)
• M15: 22,977,635 km (0.091 R)
• M16: 26,117,993 km (0.11 R)
• M17: 51,307,582 km (0.108 R)
• M18: 54,100,424 km (0.097 R)
• M19: 68,758,622 km (0.07 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 12,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit