🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.2

Radius: 14.3

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.6 AU - 0.88 AU

Year: 439 Days

Day: 10 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,397,472 km

• M1: 177,872 km (0.06 R)
• M2: 726,597 km (0.114 R)
• M3: 1,243,906 km (0.114 R)
• M4: 1,908,570 km (0.099 R)
• M5: 2,362,150 km (0.113 R)
• M6: 2,856,871 km (0.03 R)
• M7: 3,302,523 km (0.077 R)
• M8: 3,992,318 km (0.047 R)
• M9: 4,914,589 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.3

Radius: 14.8

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.76 AU - 1.06 AU

Year: 599 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,397,472 km

• M1: 184,005 km (0.06 R)
• M2: 676,182 km (0.053 R)
• M3: 1,239,568 km (0.102 R)
• M4: 2,592,082 km (0.088 R)
• M5: 3,218,449 km (0.029 R)
• M6: 3,873,388 km (0.116 R)
• M7: 4,697,224 km (0.05 R)
• M8: 5,327,330 km (0.112 R)
• M9: 5,898,345 km (0.112 R)
• M10: 6,969,765 km (0.113 R)
• M11: 7,608,996 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.2

Radius: 13.3

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.8 AU - 2.22 AU

Year: 1967 Days

Day: 10.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,397,472 km

• M1: 168,746 km (0.108 R)
• M2: 593,455 km (0.107 R)
• M3: 1,152,801 km (0.054 R)
• M4: 2,403,589 km (0.104 R)
• M5: 3,105,203 km (0.074 R)
• M6: 3,604,860 km (0.057 R)
• M7: 4,711,585 km (0.115 R)
• M8: 5,153,647 km (0.079 R)
• M9: 6,302,409 km (0.068 R)
• M10: 7,010,755 km (0.085 R)
• M11: 7,563,519 km (0.11 R)
• M12: 8,842,431 km (0.11 R)
• M13: 9,368,716 km (0.082 R)
• M14: 10,102,943 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374

Radius: 13.6

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.31 AU - 3.53 AU

Year: 3444 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,397,472 km

• M1: 171,888 km (0.095 R)
• M2: 610,808 km (0.065 R)
• M3: 1,427,313 km (0.079 R)
• M4: 2,038,421 km (0.089 R)
• M5: 2,525,661 km (0.106 R)
• M6: 3,969,430 km (0.105 R)
• M7: 9,648,015 km (0.078 R)
• M8: 11,197,700 km (0.084 R)
• M9: 15,270,352 km (0.071 R)
• M10: 19,021,369 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959

Radius: 10.8

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.35 AU - 5.11 AU

Year: 6005 Days

Day: 7.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 163.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,397,472 km

• M1: 134,788 km (0.094 R)
• M2: 512,223 km (0.116 R)
• M3: 1,245,552 km (0.114 R)
• M4: 2,029,744 km (0.094 R)
• M5: 3,860,523 km (0.095 R)
• M6: 9,964,864 km (0.115 R)
• M7: 10,969,563 km (0.118 R)
• M8: 11,624,503 km (0.072 R)
• M9: 15,546,211 km (0.082 R)
• M10: 17,295,459 km (0.104 R)
• M11: 18,957,341 km (0.119 R)
• M12: 21,724,154 km (0.083 R)
• M13: 22,596,160 km (0.076 R)
• M14: 24,073,140 km (0.118 R)
• M15: 25,265,584 km (0.1 R)
• M16: 25,964,356 km (0.112 R)
• M17: 27,218,435 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.1

Radius: 13.1

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.71 AU - 4.99 AU

Year: 7373 Days

Day: 10 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,397,472 km

• M1: 171,140 km (0.113 R)
• M2: 662,868 km (0.089 R)
• M3: 1,141,731 km (0.088 R)
• M4: 1,829,881 km (0.086 R)
• M5: 2,709,816 km (0.107 R)
• M6: 3,146,043 km (0.112 R)
• M7: 5,652,855 km (0.058 R)
• M8: 7,583,116 km (0.084 R)
• M9: 8,458,862 km (0.115 R)
• M10: 9,919,835 km (0.062 R)
• M11: 10,503,267 km (0.092 R)
• M12: 11,987,577 km (0.066 R)
• M13: 13,336,650 km (0.086 R)
• M14: 15,666,487 km (0.092 R)
• M15: 17,022,891 km (0.099 R)
• M16: 18,123,483 km (0.115 R)
• M17: 18,928,619 km (0.111 R)
• M18: 19,340,013 km (0.096 R)
• M19: 21,935,386 km (0.105 R)
• M20: 28,519,039 km (0.061 R)
• M21: 29,424,854 km (0.057 R)
• M22: 32,550,851 km (0.069 R)
• M23: 33,340,728 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.1

Radius: 7.2

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.44 AU - 9.42 AU

Year: 15414 Days

Day: 25 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,397,472 km

• M1: 90,656 km (0.103 R)
• M2: 368,460 km (0.102 R)
• M3: 717,771 km (0.105 R)
• M4: 984,055 km (0.108 R)
• M5: 2,155,406 km (0.031 R)
• M6: 2,806,606 km (0.059 R)
• M7: 3,190,025 km (0.099 R)
• M8: 4,374,990 km (0.115 R)
• M9: 14,487,207 km (0.119 R)
• M10: 15,220,237 km (0.107 R)
• M11: 17,717,624 km (0.109 R)
• M12: 18,788,745 km (0.055 R)
• M13: 19,740,785 km (0.115 R)
• M14: 20,228,624 km (0.075 R)
• M15: 21,826,629 km (0.065 R)
• M16: 22,173,546 km (0.109 R)
• M17: 28,235,701 km (0.104 R)
• M18: 30,658,887 km (0.088 R)
• M19: 31,313,228 km (0.109 R)
• M20: 34,842,690 km (0.031 R)
• M21: 35,914,858 km (0.075 R)
• M22: 36,398,508 km (0.106 R)
• M23: 36,763,976 km (0.117 R)
• M24: 39,905,980 km (0.082 R)
• M25: 42,275,909 km (0.037 R)
• M26: 43,086,281 km (0.026 R)
• M27: 48,021,066 km (0.057 R)
• M28: 49,199,748 km (0.097 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 19,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit