🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.3

Radius: 9.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.48 AU - 0.68 AU

Year: 305 Days

Day: 6.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,305,134 km

• M1: 115,789 km (0.086 R)
• M2: 454,628 km (0.116 R)
• M3: 747,541 km (0.032 R)
• M4: 1,215,184 km (0.06 R)
• M5: 1,780,364 km (0.117 R)
• M6: 2,090,032 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.7

Radius: 11.4

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.85 AU - 1.21 AU

Year: 722 Days

Day: 9.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,305,134 km

• M1: 141,819 km (0.059 R)
• M2: 585,825 km (0.093 R)
• M3: 964,457 km (0.108 R)
• M4: 1,568,085 km (0.05 R)
• M5: 1,925,325 km (0.111 R)
• M6: 2,510,103 km (0.096 R)
• M7: 2,893,821 km (0.106 R)
• M8: 3,330,348 km (0.119 R)
• M9: 3,722,593 km (0.055 R)
• M10: 4,288,672 km (0.09 R)
• M11: 4,911,448 km (0.097 R)
• M12: 5,867,827 km (0.069 R)
• M13: 6,337,863 km (0.116 R)
• M14: 6,899,603 km (0.081 R)
• M15: 8,733,673 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.3

Radius: 13.8

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.36 AU - 1.78 AU

Year: 1358 Days

Day: 15 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,305,134 km

• M1: 171,589 km (0.113 R)
• M2: 848,968 km (0.066 R)
• M3: 1,826,740 km (0.11 R)
• M4: 2,392,818 km (0.091 R)
• M5: 2,851,485 km (0.106 R)
• M6: 3,657,518 km (0.061 R)
• M7: 4,742,851 km (0.035 R)
• M8: 5,774,627 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861

Radius: 14.8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.57 AU - 2.27 AU

Year: 1836 Days

Day: 9.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,305,134 km

• M1: 184,305 km (0.085 R)
• M2: 700,716 km (0.034 R)
• M3: 1,452,895 km (0.117 R)
• M4: 1,933,253 km (0.084 R)
• M5: 3,117,919 km (0.091 R)
• M6: 3,648,243 km (0.056 R)
• M7: 4,219,408 km (0.042 R)
• M8: 5,110,862 km (0.088 R)
• M9: 5,926,619 km (0.111 R)
• M10: 7,325,808 km (0.068 R)
• M11: 7,788,813 km (0.109 R)
• M12: 8,489,081 km (0.12 R)
• M13: 9,600,743 km (0.067 R)
• M14: 10,697,145 km (0.078 R)
• M15: 11,409,530 km (0.113 R)
• M16: 12,113,388 km (0.097 R)
• M17: 13,521,852 km (0.107 R)
• M18: 15,362,804 km (0.118 R)
• M19: 16,417,020 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.7

Radius: 15

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.61 AU - 2.31 AU

Year: 1894 Days

Day: 8.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,305,134 km

• M1: 186,549 km (0.12 R)
• M2: 670,946 km (0.097 R)
• M3: 1,164,769 km (0.118 R)
• M4: 1,941,780 km (0.082 R)
• M5: 3,323,466 km (0.101 R)
• M6: 3,833,595 km (0.106 R)
• M7: 4,561,987 km (0.085 R)
• M8: 5,611,117 km (0.098 R)
• M9: 6,424,481 km (0.117 R)
• M10: 7,039,777 km (0.111 R)
• M11: 7,527,017 km (0.046 R)
• M12: 8,036,697 km (0.105 R)
• M13: 9,044,837 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.2

Radius: 14

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.63 AU - 5.75 AU

Year: 7011 Days

Day: 13.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,305,134 km

• M1: 178,470 km (0.105 R)
• M2: 630,256 km (0.118 R)
• M3: 1,224,010 km (0.119 R)
• M4: 1,815,520 km (0.117 R)
• M5: 2,471,955 km (0.118 R)
• M6: 2,974,754 km (0.073 R)
• M7: 4,395,485 km (0.066 R)
• M8: 6,364,043 km (0.096 R)
• M9: 7,696,511 km (0.054 R)
• M10: 8,950,141 km (0.104 R)
• M11: 10,763,866 km (0.034 R)
• M12: 11,203,684 km (0.064 R)
• M13: 12,329,707 km (0.028 R)
• M14: 13,361,783 km (0.117 R)
• M15: 14,866,438 km (0.059 R)
• M16: 21,793,567 km (0.11 R)
• M17: 29,175,624 km (0.092 R)
• M18: 32,911,232 km (0.067 R)
• M19: 35,321,104 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.9

Radius: 5.1

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 8.44 AU - 9.76 AU

Year: 18948 Days

Day: 24.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,305,134 km

• M1: 64,626 km (0.11 R)
• M2: 285,582 km (0.07 R)
• M3: 444,904 km (0.093 R)
• M4: 899,382 km (0.107 R)
• M5: 1,173,745 km (0.073 R)
• M6: 1,445,863 km (0.117 R)
• M7: 1,759,271 km (0.061 R)
• M8: 1,992,494 km (0.061 R)
• M9: 2,460,436 km (0.114 R)
• M10: 2,774,442 km (0.108 R)
• M11: 3,044,616 km (0.055 R)
• M12: 3,851,547 km (0.051 R)
• M13: 5,214,982 km (0.11 R)
• M14: 5,487,250 km (0.106 R)
• M15: 5,986,608 km (0.086 R)
• M16: 11,460,842 km (0.115 R)
• M17: 15,705,532 km (0.056 R)
• M18: 16,489,874 km (0.118 R)
• M19: 19,481,383 km (0.051 R)
• M20: 20,469,925 km (0.12 R)
• M21: 21,752,129 km (0.083 R)
• M22: 22,546,643 km (0.076 R)
• M23: 24,664,650 km (0.06 R)
• M24: 29,826,674 km (0.069 R)
• M25: 32,945,490 km (0.101 R)
• M26: 33,524,434 km (0.07 R)
• M27: 35,181,380 km (0.075 R)
• M28: 37,390,941 km (0.084 R)
• M29: 42,220,109 km (0.081 R)
• M30: 44,150,670 km (0.09 R)
• M31: 47,448,705 km (0.052 R)
• M32: 50,141,616 km (0.048 R)
• M33: 51,836,410 km (0.088 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 19,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit