🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.3

Radius: 10.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.44 AU - 0.58 AU

Year: 251 Days

Day: 12 Hours

Environment

Temp: -144 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,395,293 km

• M1: 130,599 km (0.038 R)
• M2: 459,116 km (0.033 R)
• M3: 793,766 km (0.108 R)
• M4: 1,188,555 km (0.086 R)
• M5: 1,541,008 km (0.099 R)
• M6: 2,055,026 km (0.116 R)
• M7: 2,392,668 km (0.103 R)
• M8: 2,983,430 km (0.103 R)
• M9: 3,378,967 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542

Radius: 12.5

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.66 AU - 0.82 AU

Year: 439 Days

Day: 12.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,395,293 km

• M1: 155,432 km (0.093 R)
• M2: 802,293 km (0.058 R)
• M3: 1,202,168 km (0.102 R)
• M4: 1,864,737 km (0.058 R)
• M5: 2,285,706 km (0.049 R)
• M6: 2,750,656 km (0.084 R)
• M7: 3,615,781 km (0.083 R)
• M8: 4,740,757 km (0.028 R)
• M9: 5,329,574 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.9

Radius: 12.5

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.18 AU - 1.5 AU

Year: 1071 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,395,293 km

• M1: 155,582 km (0.058 R)
• M2: 589,715 km (0.095 R)
• M3: 1,123,929 km (0.112 R)
• M4: 2,783,568 km (0.114 R)
• M5: 4,639,479 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.5

Radius: 8.6

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.64 AU - 1.72 AU

Year: 1503 Days

Day: 7.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,395,293 km

• M1: 106,962 km (0.115 R)
• M2: 374,593 km (0.097 R)
• M3: 861,235 km (0.044 R)
• M4: 1,309,580 km (0.08 R)
• M5: 3,309,105 km (0.095 R)
• M6: 5,182,519 km (0.073 R)
• M7: 6,552,686 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.1

Radius: 12.9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.99 AU - 2.69 AU

Year: 2471 Days

Day: 5.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,395,293 km

• M1: 160,369 km (0.079 R)
• M2: 578,944 km (0.041 R)
• M3: 1,012,030 km (0.057 R)
• M4: 1,818,213 km (0.086 R)
• M5: 2,443,382 km (0.05 R)
• M6: 2,942,291 km (0.113 R)
• M7: 3,938,912 km (0.085 R)
• M8: 4,841,585 km (0.108 R)
• M9: 5,262,105 km (0.086 R)
• M10: 6,026,251 km (0.086 R)
• M11: 6,862,952 km (0.115 R)
• M12: 7,955,615 km (0.081 R)
• M13: 8,575,698 km (0.051 R)
• M14: 9,362,134 km (0.109 R)
• M15: 9,807,786 km (0.055 R)
• M16: 10,231,896 km (0.083 R)
• M17: 11,461,441 km (0.081 R)
• M18: 16,129,044 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.4

Radius: 12.2

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.69 AU - 2.99 AU

Year: 3304 Days

Day: 9 Hours

Environment

Temp: -216 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 31,395,293 km

• M1: 151,842 km (0.071 R)
• M2: 1,308,682 km (0.073 R)
• M3: 3,670,982 km (0.056 R)
• M4: 5,067,777 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.1

Radius: 12.5

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.47 AU - 3.35 AU

Year: 3426 Days

Day: 7.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,395,293 km

• M1: 161,715 km (0.12 R)
• M2: 560,693 km (0.037 R)
• M3: 972,087 km (0.031 R)
• M4: 1,819,708 km (0.086 R)
• M5: 2,306,051 km (0.108 R)
• M6: 3,078,874 km (0.095 R)
• M7: 3,678,911 km (0.085 R)
• M8: 4,621,976 km (0.088 R)
• M9: 5,436,536 km (0.118 R)
• M10: 5,986,159 km (0.076 R)
• M11: 6,572,433 km (0.077 R)
• M12: 9,129,060 km (0.086 R)
• M13: 10,137,649 km (0.072 R)
• M14: 10,931,715 km (0.103 R)
• M15: 13,800,703 km (0.072 R)
• M16: 14,976,692 km (0.088 R)
• M17: 15,589,295 km (0.099 R)
• M18: 16,324,868 km (0.039 R)
• M19: 17,809,028 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.6

Radius: 10.9

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.5 AU - 3.74 AU

Year: 4754 Days

Day: 5.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,395,293 km

• M1: 135,536 km (0.04 R)
• M2: 491,579 km (0.065 R)
• M3: 851,661 km (0.088 R)
• M4: 2,305,752 km (0.077 R)
• M5: 2,798,378 km (0.036 R)
• M6: 3,592,593 km (0.083 R)
• M7: 4,185,449 km (0.083 R)
• M8: 4,581,884 km (0.043 R)
• M9: 7,126,693 km (0.119 R)
• M10: 7,549,606 km (0.11 R)
• M11: 10,996,042 km (0.104 R)
• M12: 11,513,950 km (0.05 R)
• M13: 12,905,808 km (0.084 R)
• M14: 14,185,468 km (0.079 R)
• M15: 14,742,870 km (0.073 R)
• M16: 16,140,563 km (0.1 R)
• M17: 17,245,343 km (0.115 R)
• M18: 19,400,749 km (0.077 R)
• M19: 25,117,632 km (0.095 R)
• M20: 27,106,536 km (0.099 R)
• M21: 27,792,143 km (0.083 R)
• M22: 29,467,041 km (0.109 R)
• M23: 30,009,632 km (0.111 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 16,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit