🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.7

Radius: 12.4

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.12 AU - 1.44 AU

Year: 966 Days

Day: 7.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,828,753 km

• M1: 154,385 km (0.03 R)
• M2: 610,060 km (0.09 R)
• M3: 1,089,072 km (0.089 R)
• M4: 1,643,781 km (0.052 R)
• M5: 2,221,080 km (0.073 R)
• M6: 3,116,273 km (0.036 R)
• M7: 3,680,556 km (0.115 R)
• M8: 4,538,351 km (0.072 R)
• M9: 5,198,227 km (0.115 R)
• M10: 5,774,927 km (0.059 R)
• M11: 6,259,175 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.3

Radius: 12.7

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.04 AU - 1.7 AU

Year: 1069 Days

Day: 12.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,828,753 km

• M1: 157,975 km (0.097 R)
• M2: 650,152 km (0.118 R)
• M3: 1,119,142 km (0.097 R)
• M4: 2,097,961 km (0.085 R)
• M5: 2,637,410 km (0.102 R)
• M6: 3,078,425 km (0.1 R)
• M7: 4,549,720 km (0.054 R)
• M8: 5,132,105 km (0.106 R)
• M9: 6,141,741 km (0.114 R)
• M10: 7,135,818 km (0.093 R)
• M11: 7,621,862 km (0.096 R)
• M12: 8,052,405 km (0.117 R)
• M13: 8,824,479 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.3

Radius: 12.3

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.4 AU - 2.3 AU

Year: 1678 Days

Day: 5.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,828,753 km

• M1: 155,582 km (0.089 R)
• M2: 572,810 km (0.045 R)
• M3: 1,134,251 km (0.096 R)
• M4: 1,552,377 km (0.11 R)
• M5: 2,010,296 km (0.065 R)
• M6: 3,044,466 km (0.088 R)
• M7: 4,097,785 km (0.087 R)
• M8: 5,170,252 km (0.079 R)
• M9: 5,998,725 km (0.05 R)
• M10: 6,421,189 km (0.09 R)
• M11: 8,171,933 km (0.047 R)
• M12: 11,850,395 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 9.9

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.5 AU - 2.66 AU

Year: 2763 Days

Day: 10.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,828,753 km

• M1: 123,269 km (0.09 R)
• M2: 720,912 km (0.086 R)
• M3: 1,397,992 km (0.063 R)
• M4: 2,590,138 km (0.092 R)
• M5: 3,162,499 km (0.091 R)
• M6: 4,742,253 km (0.081 R)
• M7: 5,446,110 km (0.079 R)
• M8: 6,558,221 km (0.11 R)
• M9: 7,030,950 km (0.09 R)
• M10: 7,750,516 km (0.068 R)
• M11: 8,726,642 km (0.106 R)
• M12: 10,127,177 km (0.093 R)
• M13: 11,587,103 km (0.085 R)
• M14: 12,147,347 km (0.102 R)
• M15: 14,471,649 km (0.103 R)
• M16: 15,172,366 km (0.1 R)
• M17: 16,913,236 km (0.104 R)
• M18: 19,197,147 km (0.068 R)
• M19: 20,599,776 km (0.071 R)
• M20: 21,103,323 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.8

Radius: 10.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.03 AU - 3.11 AU

Year: 3587 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,828,753 km

• M1: 126,859 km (0.045 R)
• M2: 492,476 km (0.059 R)
• M3: 834,756 km (0.066 R)
• M4: 1,852,770 km (0.078 R)
• M5: 3,347,252 km (0.057 R)
• M6: 3,882,962 km (0.086 R)
• M7: 4,771,424 km (0.112 R)
• M8: 5,451,197 km (0.082 R)
• M9: 7,230,813 km (0.095 R)
• M10: 8,506,584 km (0.087 R)
• M11: 9,265,943 km (0.089 R)
• M12: 10,105,935 km (0.099 R)
• M13: 11,936,863 km (0.084 R)
• M14: 13,361,035 km (0.083 R)
• M15: 14,069,081 km (0.06 R)
• M16: 15,177,751 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.7

Radius: 13.6

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.34 AU - 4.36 AU

Year: 5038 Days

Day: 6.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,828,753 km

• M1: 176,226 km (0.106 R)
• M2: 620,233 km (0.111 R)
• M3: 1,100,891 km (0.08 R)
• M4: 2,752,601 km (0.116 R)
• M5: 3,653,030 km (0.055 R)
• M6: 4,263,988 km (0.1 R)
• M7: 5,071,069 km (0.099 R)
• M8: 6,797,727 km (0.104 R)
• M9: 7,588,352 km (0.06 R)
• M10: 8,149,045 km (0.098 R)
• M11: 8,850,509 km (0.108 R)
• M12: 9,834,714 km (0.06 R)
• M13: 11,199,345 km (0.115 R)
• M14: 14,996,289 km (0.106 R)
• M15: 15,545,463 km (0.098 R)
• M16: 16,625,709 km (0.113 R)
• M17: 18,557,616 km (0.096 R)
• M18: 19,126,836 km (0.117 R)
• M19: 20,300,581 km (0.097 R)
• M20: 23,298,223 km (0.111 R)
• M21: 23,812,690 km (0.076 R)
• M22: 24,864,512 km (0.114 R)
• M23: 26,980,126 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.9

Radius: 5.3

Gravity: 25.7 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.42 AU - 7.5 AU

Year: 12245 Days

Day: 15.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,828,753 km

• M1: 65,973 km (0.047 R)
• M2: 257,907 km (0.095 R)
• M3: 485,744 km (0.042 R)
• M4: 885,919 km (0.057 R)
• M5: 1,103,583 km (0.061 R)
• M6: 1,329,775 km (0.033 R)
• M7: 1,743,264 km (0.042 R)
• M8: 2,069,836 km (0.107 R)
• M9: 2,560,667 km (0.057 R)
• M10: 2,936,457 km (0.074 R)
• M11: 3,248,069 km (0.06 R)
• M12: 5,493,683 km (0.055 R)
• M13: 6,004,410 km (0.073 R)
• M14: 6,271,442 km (0.064 R)
• M15: 7,290,203 km (0.098 R)
• M16: 12,414,379 km (0.097 R)
• M17: 14,752,444 km (0.083 R)
• M18: 16,612,993 km (0.117 R)
• M19: 18,304,945 km (0.106 R)
• M20: 19,356,917 km (0.108 R)
• M21: 19,605,399 km (0.088 R)
• M22: 20,706,290 km (0.114 R)
• M23: 21,140,573 km (0.086 R)
• M24: 23,030,742 km (0.102 R)
• M25: 29,700,563 km (0.071 R)
• M26: 32,297,432 km (0.078 R)
• M27: 36,659,407 km (0.085 R)
• M28: 37,167,142 km (0.11 R)
• M29: 39,509,695 km (0.102 R)
• M30: 46,677,827 km (0.068 R)
• M31: 48,026,751 km (0.028 R)
• M32: 48,481,977 km (0.094 R)
• M33: 52,549,394 km (0.026 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 17,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit