🌌 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: 727.7

Radius: 11.4

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.53 AU - 0.63 AU

Year: 305 Days

Day: 5.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,946,533 km

• M1: 141,819 km (0.069 R)
• M2: 560,992 km (0.041 R)
• M3: 929,302 km (0.08 R)
• M4: 1,350,270 km (0.046 R)
• M5: 2,297,674 km (0.107 R)
• M6: 2,906,537 km (0.096 R)
• M7: 3,298,035 km (0.026 R)
• M8: 3,891,340 km (0.094 R)
• M9: 4,382,021 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.2

Radius: 8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.08 AU - 1.1 AU

Year: 786 Days

Day: 13.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,946,533 km

• M1: 102,923 km (0.057 R)
• M2: 442,810 km (0.119 R)
• M3: 1,053,468 km (0.039 R)
• M4: 2,455,499 km (0.077 R)
• M5: 2,783,119 km (0.107 R)
• M6: 3,698,658 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.1

Radius: 9.6

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.1 AU - 1.18 AU

Year: 840 Days

Day: 10.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,946,533 km

• M1: 119,828 km (0.091 R)
• M2: 584,479 km (0.066 R)
• M3: 1,077,105 km (0.113 R)
• M4: 1,455,288 km (0.093 R)
• M5: 1,781,262 km (0.088 R)
• M6: 2,754,396 km (0.071 R)
• M7: 3,169,231 km (0.101 R)
• M8: 3,710,177 km (0.083 R)
• M9: 4,048,418 km (0.062 R)
• M10: 5,500,714 km (0.115 R)
• M11: 6,161,338 km (0.088 R)
• M12: 7,318,178 km (0.104 R)
• M13: 7,972,370 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.8

Radius: 14.8

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.52 AU - 1.56 AU

Year: 1319 Days

Day: 7.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,946,533 km

• M1: 184,155 km (0.12 R)
• M2: 663,616 km (0.071 R)
• M3: 1,214,436 km (0.078 R)
• M4: 1,751,043 km (0.074 R)
• M5: 2,240,677 km (0.094 R)
• M6: 3,222,787 km (0.079 R)
• M7: 3,708,980 km (0.082 R)
• M8: 4,297,199 km (0.095 R)
• M9: 4,947,501 km (0.111 R)
• M10: 5,599,000 km (0.031 R)
• M11: 7,025,266 km (0.102 R)
• M12: 8,624,916 km (0.114 R)
• M13: 9,149,256 km (0.089 R)
• M14: 9,756,923 km (0.093 R)
• M15: 10,619,803 km (0.044 R)
• M16: 11,920,108 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.6

Radius: 8

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.94 AU - 2.66 AU

Year: 2408 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,946,533 km

• M1: 99,483 km (0.034 R)
• M2: 348,862 km (0.111 R)
• M3: 633,248 km (0.043 R)
• M4: 1,539,512 km (0.096 R)
• M5: 1,865,635 km (0.03 R)
• M6: 2,827,849 km (0.077 R)
• M7: 3,335,584 km (0.1 R)
• M8: 3,611,592 km (0.085 R)
• M9: 7,508,317 km (0.111 R)
• M10: 9,055,608 km (0.041 R)
• M11: 9,935,543 km (0.064 R)
• M12: 10,251,792 km (0.063 R)
• M13: 10,640,149 km (0.028 R)
• M14: 11,619,267 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.5

Radius: 3.8

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.81 AU - 8.07 AU

Year: 14008 Days

Day: 22.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,946,533 km

• M1: 47,423 km (0.06 R)
• M2: 403,465 km (0.108 R)
• M3: 1,167,462 km (0.104 R)
• M4: 7,333,288 km (0.105 R)
• M5: 9,051,419 km (0.086 R)
• M6: 10,257,477 km (0.078 R)
• M7: 11,617,172 km (0.114 R)
• M8: 13,761,359 km (0.108 R)
• M9: 14,926,277 km (0.051 R)
• M10: 18,812,830 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.6

Radius: 5.8

Gravity: 14.11 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9.18 AU - 9.3 AU

Year: 19387 Days

Day: 18.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,946,533 km

• M1: 77,342 km (0.063 R)
• M2: 437,424 km (0.094 R)
• M3: 937,979 km (0.091 R)
• M4: 1,996,832 km (0.044 R)
• M5: 2,753,648 km (0.114 R)
• M6: 3,249,116 km (0.105 R)
• M7: 4,917,880 km (0.113 R)
• M8: 5,531,980 km (0.061 R)
• M9: 9,228,094 km (0.116 R)
• M10: 9,879,294 km (0.114 R)
• M11: 10,972,256 km (0.115 R)
• M12: 11,212,360 km (0.111 R)
• M13: 14,659,694 km (0.063 R)
• M14: 16,232,117 km (0.095 R)
• M15: 17,996,474 km (0.06 R)
• M16: 18,839,159 km (0.096 R)
• M17: 21,901,128 km (0.107 R)
• M18: 22,958,785 km (0.096 R)
• M19: 25,279,497 km (0.04 R)
• M20: 25,803,838 km (0.117 R)
• M21: 27,420,542 km (0.107 R)
• M22: 28,085,803 km (0.098 R)
• M23: 29,103,667 km (0.109 R)
• M24: 29,679,769 km (0.105 R)
• M25: 30,973,641 km (0.083 R)
• M26: 35,995,940 km (0.088 R)
• M27: 36,393,123 km (0.119 R)
• M28: 44,506,115 km (0.101 R)
• M29: 47,775,127 km (0.082 R)
• M30: 53,229,765 km (0.06 R)
• M31: 55,136,390 km (0.065 R)
• M32: 57,990,119 km (0.112 R)
• M33: 65,552,141 km (0.107 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: 418 - 19,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit