🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 9.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.48 AU - 2.28 AU

Year: 1664 Days

Day: 11.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,560,364 km

• M1: 124,166 km (0.077 R)
• M2: 510,428 km (0.047 R)
• M3: 874,998 km (0.111 R)
• M4: 1,409,960 km (0.096 R)
• M5: 2,313,531 km (0.103 R)
• M6: 2,692,762 km (0.078 R)
• M7: 3,296,090 km (0.104 R)
• M8: 3,737,553 km (0.11 R)
• M9: 4,852,357 km (0.067 R)
• M10: 6,388,427 km (0.114 R)
• M11: 6,706,622 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.6

Radius: 12.2

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.11 AU - 2.35 AU

Year: 2150 Days

Day: 8.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,560,364 km

• M1: 151,692 km (0.109 R)
• M2: 1,171,651 km (0.103 R)
• M3: 2,605,097 km (0.051 R)
• M4: 4,116,335 km (0.114 R)
• M5: 9,085,527 km (0.07 R)
• M6: 10,525,108 km (0.077 R)
• M7: 10,907,630 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.4

Radius: 14.9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.68 AU - 3.52 AU

Year: 3524 Days

Day: 14.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,560,364 km

• M1: 185,352 km (0.077 R)
• M2: 857,944 km (0.069 R)
• M3: 1,733,690 km (0.068 R)
• M4: 2,356,316 km (0.12 R)
• M5: 3,580,625 km (0.115 R)
• M6: 4,206,094 km (0.11 R)
• M7: 5,655,548 km (0.054 R)
• M8: 6,861,905 km (0.091 R)
• M9: 7,499,042 km (0.061 R)
• M10: 10,180,285 km (0.1 R)
• M11: 11,961,247 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.8

Radius: 13.1

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.73 AU - 3.69 AU

Year: 3713 Days

Day: 7.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,560,364 km

• M1: 162,912 km (0.113 R)
• M2: 642,373 km (0.111 R)
• M3: 1,343,239 km (0.034 R)
• M4: 3,411,131 km (0.083 R)
• M5: 5,251,334 km (0.081 R)
• M6: 5,856,158 km (0.116 R)
• M7: 7,052,044 km (0.058 R)
• M8: 9,574,713 km (0.113 R)
• M9: 10,446,419 km (0.097 R)
• M10: 10,987,515 km (0.116 R)
• M11: 11,440,946 km (0.075 R)
• M12: 12,953,530 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608

Radius: 7.8

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.84 AU - 7.1 AU

Year: 10626 Days

Day: 22 Hours

Environment

Temp: -227 °C

Axial Tilt: 54.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,560,364 km

• M1: 111,450 km (0.109 R)
• M2: 446,550 km (0.053 R)
• M3: 758,760 km (0.065 R)
• M4: 1,252,433 km (0.081 R)
• M5: 1,848,880 km (0.099 R)
• M6: 2,184,877 km (0.086 R)
• M7: 3,002,728 km (0.104 R)
• M8: 3,396,320 km (0.076 R)
• M9: 3,876,530 km (0.08 R)
• M10: 4,230,777 km (0.082 R)
• M11: 6,750,754 km (0.032 R)
• M12: 7,635,027 km (0.076 R)
• M13: 8,823,133 km (0.073 R)
• M14: 10,593,025 km (0.09 R)
• M15: 11,016,387 km (0.068 R)
• M16: 11,506,021 km (0.054 R)
• M17: 11,953,319 km (0.067 R)
• M18: 12,942,609 km (0.106 R)
• M19: 13,797,262 km (0.097 R)
• M20: 15,082,906 km (0.065 R)
• M21: 15,686,683 km (0.041 R)
• M22: 16,728,782 km (0.037 R)
• M23: 18,873,118 km (0.092 R)
• M24: 19,182,636 km (0.109 R)
• M25: 21,612,853 km (0.093 R)
• M26: 25,069,462 km (0.033 R)
• M27: 26,107,222 km (0.106 R)
• M28: 28,066,954 km (0.12 R)
• M29: 30,439,576 km (0.085 R)
• M30: 30,972,594 km (0.072 R)
• M31: 35,228,204 km (0.056 R)
• M32: 42,582,735 km (0.11 R)
• M33: 43,115,453 km (0.112 R)
• M34: 45,706,787 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189

Radius: 7

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.88 AU - 7.5 AU

Year: 11173 Days

Day: 23.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,560,364 km

• M1: 87,066 km (0.113 R)
• M2: 327,919 km (0.094 R)
• M3: 562,039 km (0.119 R)
• M4: 1,770,790 km (0.098 R)
• M5: 2,014,335 km (0.11 R)
• M6: 2,517,134 km (0.093 R)
• M7: 2,788,804 km (0.107 R)
• M8: 3,678,612 km (0.053 R)
• M9: 5,785,099 km (0.117 R)
• M10: 6,491,351 km (0.088 R)
• M11: 7,434,715 km (0.114 R)
• M12: 7,882,162 km (0.119 R)
• M13: 8,112,543 km (0.098 R)
• M14: 8,466,641 km (0.111 R)
• M15: 9,163,468 km (0.058 R)
• M16: 13,557,157 km (0.061 R)
• M17: 17,699,522 km (0.057 R)
• M18: 20,234,907 km (0.076 R)
• M19: 22,383,881 km (0.101 R)
• M20: 23,473,851 km (0.105 R)
• M21: 25,928,004 km (0.07 R)
• M22: 30,108,516 km (0.087 R)
• M23: 32,211,114 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.4

Radius: 6.1

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.42 AU - 7.46 AU

Year: 13103 Days

Day: 15.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,560,364 km

• M1: 75,846 km (0.101 R)
• M2: 320,588 km (0.094 R)
• M3: 511,774 km (0.108 R)
• M4: 713,133 km (0.112 R)
• M5: 906,862 km (0.108 R)
• M6: 1,160,281 km (0.094 R)
• M7: 1,446,312 km (0.029 R)
• M8: 1,778,868 km (0.11 R)
• M9: 2,087,788 km (0.091 R)
• M10: 2,352,277 km (0.027 R)
• M11: 3,041,923 km (0.112 R)
• M12: 3,408,288 km (0.112 R)
• M13: 3,858,578 km (0.102 R)
• M14: 4,591,607 km (0.102 R)
• M15: 5,242,059 km (0.115 R)
• M16: 6,063,800 km (0.099 R)
• M17: 6,330,234 km (0.084 R)
• M18: 7,009,707 km (0.068 R)
• M19: 7,914,924 km (0.07 R)
• M20: 9,140,729 km (0.085 R)
• M21: 9,902,781 km (0.062 R)
• M22: 13,187,052 km (0.058 R)
• M23: 14,696,046 km (0.063 R)
• M24: 17,974,483 km (0.112 R)
• M25: 18,524,854 km (0.107 R)
• M26: 20,667,395 km (0.057 R)
• M27: 29,031,112 km (0.031 R)
• M28: 29,679,320 km (0.052 R)
• M29: 30,669,807 km (0.112 R)
• M30: 34,973,439 km (0.054 R)
• M31: 42,226,243 km (0.084 R)
• M32: 45,764,532 km (0.111 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 19,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit