🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.8

Radius: 11.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.18 AU - 1.48 AU

Year: 990 Days

Day: 13.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,458,220 km

• M1: 138,079 km (0.092 R)
• M2: 530,324 km (0.118 R)
• M3: 900,579 km (0.113 R)
• M4: 1,358,648 km (0.112 R)
• M5: 3,411,579 km (0.102 R)
• M6: 4,021,340 km (0.101 R)
• M7: 6,468,313 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.7

Radius: 14.4

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.68 AU - 2.18 AU

Year: 1731 Days

Day: 9.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,458,220 km

• M1: 179,218 km (0.107 R)
• M2: 865,124 km (0.034 R)
• M3: 1,480,271 km (0.104 R)
• M4: 1,949,260 km (0.112 R)
• M5: 2,579,366 km (0.072 R)
• M6: 3,038,931 km (0.101 R)
• M7: 4,141,019 km (0.049 R)
• M8: 5,702,970 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.2

Radius: 11.8

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.88 AU - 2.08 AU

Year: 1799 Days

Day: 15 Hours

Environment

Temp: -188 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,458,220 km

• M1: 147,055 km (0.096 R)
• M2: 630,405 km (0.101 R)
• M3: 1,415,794 km (0.098 R)
• M4: 1,855,313 km (0.1 R)
• M5: 2,265,061 km (0.075 R)
• M6: 4,069,960 km (0.087 R)
• M7: 4,830,964 km (0.112 R)
• M8: 5,528,240 km (0.109 R)
• M9: 6,388,727 km (0.12 R)
• M10: 7,097,671 km (0.062 R)
• M11: 8,142,762 km (0.036 R)
• M12: 9,350,765 km (0.119 R)
• M13: 10,197,937 km (0.046 R)
• M14: 12,195,667 km (0.074 R)
• M15: 12,733,322 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.4

Radius: 11.7

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.66 AU - 2.34 AU

Year: 1826 Days

Day: 5.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,458,220 km

• M1: 145,708 km (0.119 R)
• M2: 694,433 km (0.106 R)
• M3: 1,159,832 km (0.102 R)
• M4: 1,535,024 km (0.054 R)
• M5: 1,952,252 km (0.12 R)
• M6: 2,481,230 km (0.057 R)
• M7: 4,096,139 km (0.109 R)
• M8: 5,389,263 km (0.09 R)
• M9: 5,854,213 km (0.105 R)
• M10: 6,345,792 km (0.053 R)
• M11: 6,962,285 km (0.081 R)
• M12: 7,412,126 km (0.097 R)
• M13: 10,826,697 km (0.071 R)
• M14: 11,227,619 km (0.093 R)
• M15: 11,812,547 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.7

Radius: 8.9

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.4 AU - 3.08 AU

Year: 2928 Days

Day: 11.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,458,220 km

• M1: 119,529 km (0.046 R)
• M2: 487,240 km (0.119 R)
• M3: 793,467 km (0.099 R)
• M4: 1,497,624 km (0.118 R)
• M5: 2,236,039 km (0.079 R)
• M6: 3,262,730 km (0.107 R)
• M7: 4,791,769 km (0.118 R)
• M8: 5,225,454 km (0.044 R)
• M9: 6,091,924 km (0.111 R)
• M10: 7,752,162 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.2

Radius: 12.4

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.19 AU - 4.47 AU

Year: 5818 Days

Day: 12.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,458,220 km

• M1: 171,439 km (0.084 R)
• M2: 576,401 km (0.079 R)
• M3: 1,124,378 km (0.079 R)
• M4: 1,521,410 km (0.078 R)
• M5: 2,697,698 km (0.067 R)
• M6: 3,615,033 km (0.11 R)
• M7: 5,095,303 km (0.099 R)
• M8: 6,061,855 km (0.095 R)
• M9: 6,685,529 km (0.095 R)
• M10: 7,079,869 km (0.097 R)
• M11: 8,134,683 km (0.077 R)
• M12: 12,073,595 km (0.032 R)
• M13: 12,610,801 km (0.066 R)
• M14: 13,997,574 km (0.082 R)
• M15: 14,590,729 km (0.06 R)
• M16: 16,118,123 km (0.084 R)
• M17: 16,890,497 km (0.101 R)
• M18: 17,874,702 km (0.104 R)
• M19: 19,356,020 km (0.103 R)
• M20: 20,160,707 km (0.098 R)
• M21: 24,677,814 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.5

Radius: 5.1

Gravity: 36.35 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.79 AU - 8.15 AU

Year: 14528 Days

Day: 22.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,458,220 km

• M1: 71,957 km (0.042 R)
• M2: 381,923 km (0.081 R)
• M3: 863,479 km (0.094 R)
• M4: 1,081,593 km (0.095 R)
• M5: 1,697,188 km (0.038 R)
• M6: 1,928,616 km (0.119 R)
• M7: 2,304,555 km (0.053 R)
• M8: 2,476,892 km (0.109 R)
• M9: 2,799,275 km (0.109 R)
• M10: 3,149,334 km (0.092 R)
• M11: 3,612,789 km (0.08 R)
• M12: 4,089,407 km (0.108 R)
• M13: 4,811,816 km (0.108 R)
• M14: 4,987,294 km (0.079 R)
• M15: 6,009,496 km (0.08 R)
• M16: 6,895,863 km (0.109 R)
• M17: 7,627,397 km (0.057 R)
• M18: 7,866,155 km (0.102 R)
• M19: 9,029,727 km (0.105 R)
• M20: 15,664,243 km (0.108 R)
• M21: 17,165,308 km (0.112 R)
• M22: 19,459,691 km (0.089 R)
• M23: 21,285,533 km (0.091 R)
• M24: 21,950,645 km (0.036 R)
• M25: 22,143,178 km (0.117 R)
• M26: 25,485,493 km (0.071 R)
• M27: 29,033,057 km (0.09 R)
• M28: 32,147,236 km (0.09 R)
• M29: 34,689,053 km (0.117 R)
• M30: 36,008,806 km (0.076 R)
• M31: 44,329,589 km (0.066 R)
• M32: 46,197,468 km (0.074 R)
• M33: 47,150,855 km (0.069 R)
• M34: 48,768,906 km (0.105 R)
• M35: 50,927,154 km (0.039 R)
• M36: 55,077,298 km (0.108 R)
• M37: 59,260,653 km (0.075 R)
• M38: 59,821,496 km (0.111 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 16,944 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit