🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.1

Radius: 14.4

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.97 AU - 1.03 AU

Year: 703 Days

Day: 9.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,797,131 km

• M1: 179,069 km (0.055 R)
• M2: 699,370 km (0.095 R)
• M3: 1,487,900 km (0.087 R)
• M4: 2,024,358 km (0.087 R)
• M5: 2,712,808 km (0.105 R)
• M6: 3,328,702 km (0.106 R)
• M7: 3,818,785 km (0.096 R)
• M8: 4,710,987 km (0.08 R)
• M9: 5,459,125 km (0.083 R)
• M10: 6,165,078 km (0.06 R)
• M11: 7,259,985 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.2

Radius: 9

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.05 AU - 1.13 AU

Year: 800 Days

Day: 9.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,797,131 km

• M1: 116,986 km (0.117 R)
• M2: 456,872 km (0.105 R)
• M3: 1,113,756 km (0.083 R)
• M4: 1,558,810 km (0.11 R)
• M5: 2,018,973 km (0.092 R)
• M6: 2,352,427 km (0.119 R)
• M7: 2,686,179 km (0.09 R)
• M8: 2,973,407 km (0.108 R)
• M9: 3,507,771 km (0.087 R)
• M10: 4,251,871 km (0.111 R)
• M11: 4,930,895 km (0.079 R)
• M12: 5,700,576 km (0.078 R)
• M13: 6,051,084 km (0.025 R)
• M14: 6,727,416 km (0.082 R)
• M15: 7,166,187 km (0.089 R)
• M16: 8,204,246 km (0.036 R)
• M17: 9,595,656 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.4

Radius: 8.5

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.05 AU - 1.21 AU

Year: 844 Days

Day: 11.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,797,131 km

• M1: 105,766 km (0.09 R)
• M2: 447,298 km (0.051 R)
• M3: 824,583 km (0.092 R)
• M4: 1,409,960 km (0.111 R)
• M5: 2,353,175 km (0.045 R)
• M6: 3,201,694 km (0.109 R)
• M7: 3,857,231 km (0.093 R)
• M8: 4,162,112 km (0.088 R)
• M9: 4,499,455 km (0.084 R)
• M10: 5,395,696 km (0.027 R)
• M11: 6,157,748 km (0.107 R)
• M12: 6,923,240 km (0.067 R)
• M13: 7,750,516 km (0.063 R)
• M14: 8,188,239 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.8

Radius: 8.1

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.17 AU - 1.69 AU

Year: 1202 Days

Day: 13.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,797,131 km

• M1: 100,679 km (0.086 R)
• M2: 374,892 km (0.102 R)
• M3: 733,628 km (0.039 R)
• M4: 1,078,750 km (0.12 R)
• M5: 1,412,952 km (0.12 R)
• M6: 1,835,566 km (0.117 R)
• M7: 2,363,646 km (0.033 R)
• M8: 3,003,177 km (0.106 R)
• M9: 3,363,708 km (0.104 R)
• M10: 4,259,650 km (0.118 R)
• M11: 5,024,843 km (0.087 R)
• M12: 5,726,307 km (0.102 R)
• M13: 6,100,601 km (0.065 R)
• M14: 8,989,934 km (0.067 R)
• M15: 9,927,464 km (0.119 R)
• M16: 10,436,247 km (0.119 R)
• M17: 11,436,907 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.1

Radius: 10.5

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.23 AU - 5.29 AU

Year: 6180 Days

Day: 9.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,797,131 km

• M1: 130,599 km (0.058 R)
• M2: 1,798,316 km (0.115 R)
• M3: 2,152,115 km (0.114 R)
• M4: 2,566,950 km (0.051 R)
• M5: 4,064,275 km (0.073 R)
• M6: 4,616,590 km (0.034 R)
• M7: 5,126,121 km (0.05 R)
• M8: 5,550,679 km (0.044 R)
• M9: 6,024,306 km (0.078 R)
• M10: 8,162,658 km (0.088 R)
• M11: 8,677,275 km (0.093 R)
• M12: 11,903,951 km (0.047 R)
• M13: 15,805,913 km (0.048 R)
• M14: 17,803,643 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443

Radius: 8

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.56 AU - 5.76 AU

Year: 8239 Days

Day: 13.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,797,131 km

• M1: 101,128 km (0.057 R)
• M2: 368,908 km (0.103 R)
• M3: 985,551 km (0.091 R)
• M4: 1,617,452 km (0.07 R)
• M5: 1,924,876 km (0.1 R)
• M6: 2,205,222 km (0.105 R)
• M7: 3,028,459 km (0.092 R)
• M8: 6,143,985 km (0.103 R)
• M9: 9,314,263 km (0.086 R)
• M10: 12,138,521 km (0.102 R)
• M11: 15,243,275 km (0.112 R)
• M12: 25,797,854 km (0.045 R)
• M13: 29,796,156 km (0.086 R)
• M14: 33,669,245 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.6

Radius: 4.7

Gravity: 15.74 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.28 AU - 9.7 AU

Year: 20550 Days

Day: 20.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,797,131 km

• M1: 61,634 km (0.083 R)
• M2: 481,855 km (0.111 R)
• M3: 715,826 km (0.054 R)
• M4: 955,332 km (0.084 R)
• M5: 1,246,898 km (0.103 R)
• M6: 1,564,195 km (0.054 R)
• M7: 3,085,306 km (0.116 R)
• M8: 3,340,371 km (0.058 R)
• M9: 3,499,992 km (0.112 R)
• M10: 3,748,923 km (0.051 R)
• M11: 3,921,559 km (0.073 R)
• M12: 4,439,317 km (0.115 R)
• M13: 4,599,985 km (0.12 R)
• M14: 4,967,098 km (0.082 R)
• M15: 6,758,981 km (0.112 R)
• M16: 7,683,496 km (0.061 R)
• M17: 10,052,678 km (0.051 R)
• M18: 10,612,922 km (0.094 R)
• M19: 15,349,490 km (0.105 R)
• M20: 17,888,913 km (0.09 R)
• M21: 19,130,576 km (0.053 R)
• M22: 22,530,935 km (0.082 R)
• M23: 25,381,972 km (0.105 R)
• M24: 27,267,353 km (0.037 R)
• M25: 28,134,572 km (0.12 R)
• M26: 30,498,069 km (0.094 R)
• M27: 33,357,333 km (0.069 R)
• M28: 34,725,705 km (0.112 R)
• M29: 37,573,749 km (0.109 R)
• M30: 41,560,532 km (0.055 R)
• M31: 44,023,961 km (0.082 R)
• M32: 45,668,789 km (0.091 R)
• M33: 47,509,292 km (0.119 R)
• M34: 50,848,167 km (0.085 R)
• M35: 51,501,461 km (0.069 R)
• M36: 60,692,455 km (0.109 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 13,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit