🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.4

Radius: 8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.54 AU - 0.68 AU

Year: 335 Days

Day: 11.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 154.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 81,337,504 km

• M1: 112,348 km (0.075 R)
• M2: 482,154 km (0.098 R)
• M3: 882,478 km (0.1 R)
• M4: 1,542,055 km (0.096 R)
• M5: 2,271,793 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.2

Radius: 12.8

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.74 AU - 0.92 AU

Year: 532 Days

Day: 14.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,337,504 km

• M1: 159,322 km (0.102 R)
• M2: 634,295 km (0.099 R)
• M3: 1,069,625 km (0.1 R)
• M4: 1,651,560 km (0.103 R)
• M5: 2,070,883 km (0.116 R)
• M6: 2,705,328 km (0.032 R)
• M7: 3,121,360 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.7

Radius: 14.9

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.91 AU - 1.03 AU

Year: 672 Days

Day: 8.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,337,504 km

• M1: 185,352 km (0.103 R)
• M2: 749,485 km (0.119 R)
• M3: 1,599,052 km (0.051 R)
• M4: 2,085,095 km (0.099 R)
• M5: 3,223,535 km (0.085 R)
• M6: 4,340,133 km (0.099 R)
• M7: 5,374,603 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.4

Radius: 10.9

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.82 AU - 2.64 AU

Year: 2341 Days

Day: 10.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,337,504 km

• M1: 135,536 km (0.079 R)
• M2: 517,609 km (0.119 R)
• M3: 1,200,523 km (0.111 R)
• M4: 1,766,452 km (0.119 R)
• M5: 2,268,502 km (0.074 R)
• M6: 3,242,833 km (0.106 R)
• M7: 4,121,571 km (0.074 R)
• M8: 5,564,592 km (0.107 R)
• M9: 6,104,491 km (0.115 R)
• M10: 8,032,209 km (0.098 R)
• M11: 8,422,061 km (0.081 R)
• M12: 9,452,491 km (0.086 R)
• M13: 10,184,773 km (0.117 R)
• M14: 11,680,003 km (0.101 R)
• M15: 12,223,792 km (0.091 R)
• M16: 12,566,670 km (0.079 R)
• M17: 15,003,470 km (0.101 R)
• M18: 15,797,086 km (0.098 R)
• M19: 16,986,838 km (0.104 R)
• M20: 17,522,249 km (0.092 R)
• M21: 18,458,432 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213

Radius: 10

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.08 AU - 4.34 AU

Year: 6072 Days

Day: 12.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,337,504 km

• M1: 124,465 km (0.052 R)
• M2: 444,605 km (0.112 R)
• M3: 1,232,238 km (0.119 R)
• M4: 2,043,956 km (0.065 R)
• M5: 3,214,858 km (0.064 R)
• M6: 4,235,565 km (0.099 R)
• M7: 5,888,172 km (0.052 R)
• M8: 7,766,074 km (0.105 R)
• M9: 9,739,869 km (0.098 R)
• M10: 16,015,798 km (0.11 R)
• M11: 18,277,419 km (0.103 R)
• M12: 23,215,944 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.3

Radius: 10.5

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.13 AU - 4.79 AU

Year: 6621 Days

Day: 11 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,337,504 km

• M1: 130,898 km (0.105 R)
• M2: 557,850 km (0.1 R)
• M3: 1,160,281 km (0.1 R)
• M4: 2,833,982 km (0.052 R)
• M5: 5,335,258 km (0.082 R)
• M6: 6,561,662 km (0.103 R)
• M7: 6,913,666 km (0.031 R)
• M8: 7,541,229 km (0.066 R)
• M9: 9,788,637 km (0.095 R)
• M10: 11,016,088 km (0.086 R)
• M11: 12,396,577 km (0.106 R)
• M12: 14,888,279 km (0.116 R)
• M13: 16,572,751 km (0.073 R)
• M14: 22,148,414 km (0.038 R)
• M15: 22,943,077 km (0.081 R)
• M16: 26,313,517 km (0.078 R)
• M17: 31,666,877 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.1

Radius: 4.3

Gravity: 34.73 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.6 AU - 11.76 AU

Year: 22831 Days

Day: 19.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,337,504 km

• M1: 59,540 km (0.066 R)
• M2: 296,204 km (0.08 R)
• M3: 445,802 km (0.115 R)
• M4: 753,674 km (0.109 R)
• M5: 1,029,682 km (0.074 R)
• M6: 1,385,426 km (0.029 R)
• M7: 1,600,697 km (0.109 R)
• M8: 1,954,945 km (0.093 R)
• M9: 2,716,997 km (0.107 R)
• M10: 2,895,616 km (0.081 R)
• M11: 3,973,619 km (0.067 R)
• M12: 4,339,984 km (0.083 R)
• M13: 7,710,125 km (0.069 R)
• M14: 8,226,088 km (0.114 R)
• M15: 8,600,830 km (0.106 R)
• M16: 11,351,337 km (0.118 R)
• M17: 12,995,567 km (0.036 R)
• M18: 14,100,048 km (0.06 R)
• M19: 14,328,185 km (0.101 R)
• M20: 15,425,784 km (0.03 R)
• M21: 17,003,444 km (0.086 R)
• M22: 18,053,471 km (0.082 R)
• M23: 21,763,648 km (0.07 R)
• M24: 29,145,854 km (0.101 R)
• M25: 35,594,569 km (0.041 R)
• M26: 54,507,480 km (0.084 R)
• M27: 55,069,519 km (0.106 R)
• M28: 63,969,545 km (0.075 R)
• M29: 64,177,487 km (0.117 R)
• M30: 66,922,308 km (0.101 R)
• M31: 67,566,626 km (0.05 R)
• M32: 69,524,563 km (0.107 R)
• M33: 77,971,158 km (0.103 R)
• M34: 80,850,768 km (0.094 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 17,255 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit