🌌 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: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690

Radius: 9.3

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.58 AU - 0.66 AU

Year: 331 Days

Day: 11 Hours

Environment

Temp: -153 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,992,312 km

• M1: 115,789 km (0.075 R)
• M2: 487,091 km (0.07 R)
• M3: 800,049 km (0.072 R)
• M4: 1,252,284 km (0.048 R)
• M5: 2,013,587 km (0.075 R)
• M6: 2,342,104 km (0.055 R)
• M7: 3,140,059 km (0.054 R)
• M8: 3,643,157 km (0.053 R)
• M9: 4,628,259 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.6

Radius: 14.9

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.66 AU - 0.78 AU

Year: 414 Days

Day: 6.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,992,312 km

• M1: 185,501 km (0.057 R)
• M2: 679,324 km (0.081 R)
• M3: 1,490,892 km (0.029 R)
• M4: 1,991,148 km (0.118 R)
• M5: 2,588,043 km (0.118 R)
• M6: 3,152,626 km (0.062 R)
• M7: 3,901,961 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.6

Radius: 12.6

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.27 AU - 1.75 AU

Year: 1259 Days

Day: 8.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,992,312 km

• M1: 156,629 km (0.039 R)
• M2: 590,014 km (0.117 R)
• M3: 981,811 km (0.078 R)
• M4: 1,411,755 km (0.087 R)
• M5: 1,812,677 km (0.095 R)
• M6: 2,238,732 km (0.085 R)
• M7: 4,194,575 km (0.042 R)
• M8: 4,718,466 km (0.097 R)
• M9: 5,343,038 km (0.06 R)
• M10: 5,918,840 km (0.045 R)
• M11: 7,101,561 km (0.1 R)
• M12: 7,774,003 km (0.099 R)
• M13: 8,647,206 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.7

Radius: 14.6

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.53 AU - 1.85 AU

Year: 1490 Days

Day: 14 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,992,312 km

• M1: 181,612 km (0.094 R)
• M2: 673,789 km (0.116 R)
• M3: 1,290,132 km (0.064 R)
• M4: 1,817,465 km (0.046 R)
• M5: 2,340,608 km (0.111 R)
• M6: 3,052,395 km (0.112 R)
• M7: 3,549,658 km (0.028 R)
• M8: 4,065,322 km (0.105 R)
• M9: 4,572,010 km (0.11 R)
• M10: 7,915,523 km (0.1 R)
• M11: 8,925,757 km (0.117 R)
• M12: 10,427,271 km (0.066 R)
• M13: 12,244,287 km (0.107 R)
• M14: 12,828,616 km (0.083 R)
• M15: 13,349,815 km (0.056 R)
• M16: 14,435,147 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.5

Radius: 11.1

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.5 AU - 2.88 AU

Year: 2992 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,992,312 km

• M1: 138,228 km (0.115 R)
• M2: 2,154,509 km (0.086 R)
• M3: 2,720,138 km (0.119 R)
• M4: 4,107,808 km (0.064 R)
• M5: 5,603,637 km (0.099 R)
• M6: 7,624,704 km (0.095 R)
• M7: 8,282,037 km (0.112 R)
• M8: 8,659,473 km (0.057 R)
• M9: 10,403,485 km (0.119 R)
• M10: 10,802,911 km (0.106 R)
• M11: 11,803,272 km (0.105 R)
• M12: 14,623,641 km (0.114 R)
• M13: 15,586,752 km (0.08 R)
• M14: 16,057,536 km (0.119 R)
• M15: 18,323,196 km (0.05 R)
• M16: 20,731,572 km (0.076 R)

Asteroid Belt

Center: 3.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.2

Radius: 12.3

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.17 AU - 4.19 AU

Year: 4788 Days

Day: 10.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,992,312 km

• M1: 155,283 km (0.11 R)
• M2: 576,550 km (0.059 R)
• M3: 1,787,246 km (0.067 R)
• M4: 2,206,120 km (0.115 R)
• M5: 2,637,710 km (0.07 R)
• M6: 3,165,790 km (0.092 R)
• M7: 3,585,562 km (0.033 R)
• M8: 3,995,310 km (0.061 R)
• M9: 5,301,449 km (0.097 R)
• M10: 5,805,145 km (0.087 R)
• M11: 7,768,767 km (0.103 R)
• M12: 10,594,671 km (0.084 R)
• M13: 11,787,415 km (0.102 R)
• M14: 12,339,730 km (0.077 R)
• M15: 15,071,237 km (0.085 R)
• M16: 18,853,221 km (0.066 R)
• M17: 19,332,084 km (0.071 R)
• M18: 24,094,981 km (0.109 R)
• M19: 24,822,027 km (0.108 R)
• M20: 26,661,033 km (0.102 R)
• M21: 27,613,972 km (0.094 R)
• M22: 31,942,437 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822

Radius: 14.9

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.58 AU - 5.48 AU

Year: 6539 Days

Day: 12.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,992,312 km

• M1: 185,651 km (0.118 R)
• M2: 945,309 km (0.101 R)
• M3: 1,472,193 km (0.111 R)
• M4: 2,347,789 km (0.106 R)
• M5: 2,914,915 km (0.11 R)
• M6: 3,550,705 km (0.05 R)
• M7: 4,515,313 km (0.03 R)
• M8: 5,045,487 km (0.079 R)
• M9: 6,265,907 km (0.087 R)
• M10: 7,295,140 km (0.051 R)
• M11: 7,909,688 km (0.073 R)
• M12: 9,509,039 km (0.12 R)
• M13: 10,290,688 km (0.112 R)
• M14: 10,868,136 km (0.071 R)
• M15: 17,688,303 km (0.107 R)
• M16: 19,014,488 km (0.09 R)
• M17: 20,556,393 km (0.112 R)
• M18: 21,629,608 km (0.103 R)
• M19: 24,055,188 km (0.071 R)
• M20: 25,769,729 km (0.095 R)
• M21: 26,656,994 km (0.087 R)
• M22: 28,398,762 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.2

Radius: 6.4

Gravity: 20.1 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.9 AU - 9.92 AU

Year: 21159 Days

Day: 17 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,992,312 km

• M1: 124,166 km (0.105 R)
• M2: 335,398 km (0.039 R)
• M3: 664,215 km (0.069 R)
• M4: 1,035,367 km (0.071 R)
• M5: 1,768,247 km (0.089 R)
• M6: 2,603,751 km (0.079 R)
• M7: 2,933,614 km (0.077 R)
• M8: 3,206,182 km (0.082 R)
• M9: 3,465,734 km (0.07 R)
• M10: 3,865,609 km (0.041 R)
• M11: 4,647,856 km (0.086 R)
• M12: 5,571,773 km (0.076 R)
• M13: 8,247,331 km (0.119 R)
• M14: 10,695,051 km (0.119 R)
• M15: 11,810,453 km (0.057 R)
• M16: 17,577,750 km (0.104 R)
• M17: 20,467,981 km (0.116 R)
• M18: 20,961,953 km (0.111 R)
• M19: 22,806,495 km (0.092 R)
• M20: 26,232,286 km (0.106 R)
• M21: 26,464,462 km (0.097 R)
• M22: 28,006,816 km (0.047 R)
• M23: 35,338,907 km (0.088 R)
• M24: 40,516,339 km (0.071 R)
• M25: 40,982,337 km (0.1 R)
• M26: 45,505,129 km (0.091 R)
• M27: 54,956,124 km (0.111 R)
• M28: 56,102,044 km (0.053 R)
• M29: 60,439,933 km (0.103 R)
• M30: 66,708,234 km (0.034 R)
• M31: 68,669,911 km (0.078 R)
• M32: 72,024,194 km (0.119 R)
• M33: 75,720,907 km (0.104 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: 490 - 18,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit