🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.55 AU - 0.63 AU

Year: 196 Days

Day: 44.7 Hours

Environment

Temp: 27 °C

Axial Tilt: 17.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.54 AU - 0.74 AU

Year: 222 Days

Day: 47.4 Hours

Environment

Temp: 9 °C

Axial Tilt: 9.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.07 AU - 2.41 AU

Year: 1453 Days

Day: 16.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773

Radius: 11.9

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.35 AU - 4.11 AU

Year: 3123 Days

Day: 12.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,212,334 km

• M1: 148,102 km (0.101 R)
• M2: 670,797 km (0.032 R)
• M3: 1,126,472 km (0.111 R)
• M4: 1,779,167 km (0.08 R)
• M5: 2,383,842 km (0.091 R)
• M6: 2,899,207 km (0.12 R)
• M7: 3,301,625 km (0.117 R)
• M8: 3,862,617 km (0.065 R)
• M9: 4,307,970 km (0.04 R)
• M10: 4,835,003 km (0.106 R)
• M11: 5,936,343 km (0.114 R)
• M12: 7,579,975 km (0.117 R)
• M13: 8,419,967 km (0.048 R)
• M14: 10,365,038 km (0.081 R)
• M15: 12,231,272 km (0.093 R)
• M16: 13,149,802 km (0.071 R)
• M17: 18,623,140 km (0.1 R)
• M18: 19,042,463 km (0.098 R)
• M19: 19,529,553 km (0.084 R)
• M20: 21,170,193 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.2

Radius: 13.6

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.83 AU - 11.01 AU

Year: 12532 Days

Day: 7 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,212,334 km

• M1: 170,093 km (0.116 R)
• M2: 723,306 km (0.099 R)
• M3: 1,218,325 km (0.085 R)
• M4: 1,764,058 km (0.051 R)
• M5: 2,363,048 km (0.11 R)
• M6: 3,528,266 km (0.117 R)
• M7: 4,433,034 km (0.067 R)
• M8: 5,390,759 km (0.074 R)
• M9: 10,193,749 km (0.09 R)
• M10: 11,214,156 km (0.063 R)
• M11: 13,879,690 km (0.111 R)
• M12: 16,392,187 km (0.081 R)
• M13: 18,669,365 km (0.077 R)
• M14: 23,843,507 km (0.096 R)
• M15: 24,461,795 km (0.084 R)
• M16: 25,638,532 km (0.059 R)
• M17: 26,569,031 km (0.074 R)
• M18: 31,352,273 km (0.045 R)
• M19: 34,504,599 km (0.107 R)
• M20: 38,583,535 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.3

Radius: 7.5

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 12.25 AU - 13.17 AU

Year: 19642 Days

Day: 20.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,212,334 km

• M1: 93,349 km (0.048 R)
• M2: 467,793 km (0.043 R)
• M3: 1,610,870 km (0.098 R)
• M4: 1,869,076 km (0.117 R)
• M5: 2,470,010 km (0.088 R)
• M6: 3,632,685 km (0.044 R)
• M7: 4,874,048 km (0.094 R)
• M8: 6,086,389 km (0.118 R)
• M9: 11,529,807 km (0.105 R)
• M10: 11,910,384 km (0.1 R)
• M11: 15,876,224 km (0.045 R)
• M12: 16,506,330 km (0.101 R)
• M13: 19,639,807 km (0.101 R)
• M14: 26,066,232 km (0.107 R)
• M15: 26,721,920 km (0.051 R)
• M16: 27,053,877 km (0.078 R)
• M17: 30,046,882 km (0.106 R)
• M18: 33,637,680 km (0.092 R)
• M19: 35,203,670 km (0.105 R)
• M20: 38,480,462 km (0.096 R)
• M21: 39,187,910 km (0.098 R)
• M22: 40,337,719 km (0.107 R)
• M23: 44,849,890 km (0.058 R)
• M24: 45,475,808 km (0.073 R)
• M25: 50,189,487 km (0.076 R)
• M26: 50,694,829 km (0.079 R)
• M27: 65,660,001 km (0.1 R)
• M28: 67,280,446 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.5

Radius: 3.8

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 13.98 AU - 18.08 AU

Year: 27820 Days

Day: 18.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,212,334 km

• M1: 47,273 km (0.098 R)
• M2: 178,769 km (0.109 R)
• M3: 353,649 km (0.094 R)
• M4: 518,506 km (0.069 R)
• M5: 808,277 km (0.083 R)
• M6: 962,064 km (0.111 R)
• M7: 1,470,547 km (0.101 R)
• M8: 1,621,791 km (0.057 R)
• M9: 2,736,594 km (0.072 R)
• M10: 3,597,230 km (0.036 R)
• M11: 3,816,690 km (0.057 R)
• M12: 4,983,554 km (0.112 R)
• M13: 8,225,041 km (0.078 R)
• M14: 8,800,992 km (0.106 R)
• M15: 10,302,955 km (0.07 R)
• M16: 11,258,586 km (0.098 R)
• M17: 12,706,245 km (0.065 R)
• M18: 13,086,523 km (0.043 R)
• M19: 16,631,842 km (0.093 R)
• M20: 17,086,919 km (0.091 R)
• M21: 29,096,786 km (0.053 R)
• M22: 31,451,008 km (0.115 R)
• M23: 52,705,873 km (0.094 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 13,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit