🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.9

Radius: 12.9

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.5 AU - 0.54 AU

Year: 254 Days

Day: 9.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,681,821 km

• M1: 160,369 km (0.118 R)
• M2: 703,110 km (0.04 R)
• M3: 1,143,077 km (0.055 R)
• M4: 1,712,746 km (0.113 R)
• M5: 2,201,632 km (0.088 R)
• M6: 2,618,860 km (0.056 R)
• M7: 3,190,175 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.1

Radius: 14.6

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.65 AU - 0.73 AU

Year: 389 Days

Day: 7.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,681,821 km

• M1: 181,612 km (0.119 R)
• M2: 741,257 km (0.084 R)
• M3: 1,277,566 km (0.107 R)
• M4: 1,771,538 km (0.044 R)
• M5: 2,536,881 km (0.097 R)
• M6: 3,085,755 km (0.11 R)
• M7: 3,663,353 km (0.108 R)
• M8: 4,215,668 km (0.103 R)
• M9: 4,763,047 km (0.054 R)
• M10: 5,656,894 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.4

Radius: 11.4

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.35 AU - 2.63 AU

Year: 2665 Days

Day: 9.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,681,821 km

• M1: 141,819 km (0.073 R)
• M2: 553,961 km (0.109 R)
• M3: 1,102,536 km (0.099 R)
• M4: 3,035,191 km (0.098 R)
• M5: 4,619,433 km (0.101 R)
• M6: 7,050,099 km (0.102 R)
• M7: 10,193,150 km (0.112 R)
• M8: 11,146,089 km (0.087 R)
• M9: 12,070,753 km (0.097 R)
• M10: 13,320,793 km (0.09 R)
• M11: 15,304,311 km (0.087 R)
• M12: 18,378,697 km (0.096 R)
• M13: 20,954,623 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.1

Radius: 8

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.33 AU - 5.45 AU

Year: 6239 Days

Day: 5.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,681,821 km

• M1: 99,483 km (0.092 R)
• M2: 376,239 km (0.088 R)
• M3: 658,829 km (0.093 R)
• M4: 1,329,476 km (0.116 R)
• M5: 1,840,503 km (0.111 R)
• M6: 2,112,023 km (0.117 R)
• M7: 2,995,847 km (0.071 R)
• M8: 4,472,976 km (0.103 R)
• M9: 6,707,819 km (0.092 R)
• M10: 7,182,194 km (0.072 R)
• M11: 9,223,606 km (0.071 R)
• M12: 10,691,311 km (0.094 R)
• M13: 11,623,904 km (0.058 R)
• M14: 14,027,792 km (0.091 R)
• M15: 15,842,415 km (0.08 R)
• M16: 16,805,974 km (0.091 R)
• M17: 17,427,703 km (0.091 R)
• M18: 19,317,723 km (0.082 R)
• M19: 19,793,593 km (0.063 R)
• M20: 20,839,731 km (0.106 R)
• M21: 22,589,428 km (0.055 R)
• M22: 24,198,952 km (0.108 R)
• M23: 25,965,553 km (0.106 R)
• M24: 28,774,103 km (0.116 R)
• M25: 29,843,728 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.3

Radius: 13.1

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.05 AU - 5.09 AU

Year: 6626 Days

Day: 7 Hours

Environment

Temp: -231 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,681,821 km

• M1: 162,912 km (0.107 R)
• M2: 623,674 km (0.045 R)
• M3: 1,209,798 km (0.095 R)
• M4: 2,229,307 km (0.108 R)
• M5: 2,724,925 km (0.098 R)
• M6: 3,599,026 km (0.114 R)
• M7: 5,828,034 km (0.1 R)
• M8: 8,729,036 km (0.064 R)
• M9: 10,804,557 km (0.075 R)
• M10: 14,507,403 km (0.097 R)
• M11: 16,298,389 km (0.085 R)
• M12: 16,893,489 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.8

Radius: 12.7

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.91 AU - 6.17 AU

Year: 8844 Days

Day: 9.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,681,821 km

• M1: 159,023 km (0.116 R)
• M2: 660,475 km (0.064 R)
• M3: 1,628,522 km (0.079 R)
• M4: 2,041,263 km (0.057 R)
• M5: 3,145,295 km (0.081 R)
• M6: 4,379,478 km (0.097 R)
• M7: 4,855,947 km (0.052 R)
• M8: 5,366,973 km (0.076 R)
• M9: 6,632,571 km (0.052 R)
• M10: 7,933,624 km (0.098 R)
• M11: 8,974,376 km (0.05 R)
• M12: 9,571,421 km (0.027 R)
• M13: 11,180,646 km (0.05 R)
• M14: 12,280,489 km (0.094 R)
• M15: 13,894,800 km (0.097 R)
• M16: 16,449,483 km (0.099 R)
• M17: 19,163,338 km (0.115 R)
• M18: 21,179,917 km (0.113 R)
• M19: 26,056,808 km (0.118 R)
• M20: 27,361,750 km (0.1 R)
• M21: 29,261,194 km (0.12 R)
• M22: 32,619,666 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.3

Radius: 4.6

Gravity: 29.41 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.49 AU - 8.51 AU

Year: 12561 Days

Day: 18.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,681,821 km

• M1: 71,358 km (0.101 R)
• M2: 495,618 km (0.038 R)
• M3: 714,031 km (0.055 R)
• M4: 984,354 km (0.096 R)
• M5: 1,131,708 km (0.099 R)
• M6: 1,401,433 km (0.037 R)
• M7: 1,589,029 km (0.109 R)
• M8: 1,997,431 km (0.055 R)
• M9: 2,332,530 km (0.035 R)
• M10: 2,725,972 km (0.1 R)
• M11: 3,114,179 km (0.113 R)
• M12: 4,409,846 km (0.107 R)
• M13: 4,944,210 km (0.105 R)
• M14: 5,278,112 km (0.066 R)
• M15: 5,734,386 km (0.115 R)
• M16: 9,487,796 km (0.078 R)
• M17: 15,934,118 km (0.117 R)
• M18: 16,440,806 km (0.114 R)
• M19: 18,416,994 km (0.069 R)
• M20: 19,874,376 km (0.094 R)
• M21: 24,038,732 km (0.106 R)
• M22: 26,474,036 km (0.067 R)
• M23: 31,828,443 km (0.062 R)
• M24: 37,733,969 km (0.069 R)
• M25: 38,374,696 km (0.064 R)
• M26: 39,809,789 km (0.033 R)
• M27: 45,329,950 km (0.047 R)
• M28: 46,345,720 km (0.059 R)
• M29: 49,789,762 km (0.088 R)
• M30: 50,405,656 km (0.069 R)
• M31: 54,045,821 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.9

Radius: 7.2

Gravity: 11.73 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.89 AU - 8.43 AU

Year: 14379 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,681,821 km

• M1: 90,208 km (0.089 R)
• M2: 362,476 km (0.04 R)
• M3: 713,432 km (0.112 R)
• M4: 1,548,338 km (0.12 R)
• M5: 2,392,519 km (0.094 R)
• M6: 3,485,630 km (0.089 R)
• M7: 4,277,302 km (0.118 R)
• M8: 5,428,757 km (0.115 R)
• M9: 6,250,797 km (0.052 R)
• M10: 7,816,190 km (0.114 R)
• M11: 8,186,295 km (0.12 R)
• M12: 8,665,307 km (0.081 R)
• M13: 11,580,820 km (0.059 R)
• M14: 12,184,447 km (0.098 R)
• M15: 12,556,647 km (0.086 R)
• M16: 14,121,441 km (0.112 R)
• M17: 16,106,305 km (0.091 R)
• M18: 20,100,718 km (0.097 R)
• M19: 23,832,586 km (0.088 R)
• M20: 24,122,507 km (0.1 R)
• M21: 25,506,736 km (0.112 R)
• M22: 30,201,417 km (0.038 R)
• M23: 33,956,473 km (0.068 R)
• M24: 34,569,974 km (0.118 R)
• M25: 36,582,962 km (0.025 R)
• M26: 36,968,925 km (0.078 R)
• M27: 37,879,976 km (0.066 R)
• M28: 39,476,485 km (0.114 R)
• M29: 44,974,805 km (0.078 R)
• M30: 47,982,919 km (0.108 R)
• M31: 55,236,171 km (0.088 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 15,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit