🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.1

Radius: 13.5

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.56 AU - 0.88 AU

Year: 394 Days

Day: 10.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,984,945 km

• M1: 168,597 km (0.117 R)
• M2: 749,785 km (0.083 R)
• M3: 1,190,051 km (0.054 R)
• M4: 1,711,100 km (0.113 R)
• M5: 2,360,206 km (0.083 R)
• M6: 3,364,755 km (0.085 R)
• M7: 3,791,708 km (0.09 R)
• M8: 4,304,679 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.1

Radius: 8

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.83 AU - 0.93 AU

Year: 533 Days

Day: 12.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,984,945 km

• M1: 99,483 km (0.117 R)
• M2: 352,004 km (0.093 R)
• M3: 703,559 km (0.068 R)
• M4: 998,865 km (0.045 R)
• M5: 1,390,961 km (0.109 R)
• M6: 1,650,513 km (0.104 R)
• M7: 2,288,548 km (0.109 R)
• M8: 3,567,012 km (0.071 R)
• M9: 3,974,516 km (0.106 R)
• M10: 4,675,233 km (0.109 R)
• M11: 5,299,953 km (0.117 R)
• M12: 5,867,976 km (0.068 R)
• M13: 6,654,562 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811

Radius: 8

Gravity: 12.67 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.3 AU - 7.04 AU

Year: 8717 Days

Day: 7 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,984,945 km

• M1: 108,907 km (0.074 R)
• M2: 416,181 km (0.103 R)
• M3: 949,049 km (0.083 R)
• M4: 1,297,014 km (0.084 R)
• M5: 3,166,837 km (0.1 R)
• M6: 4,032,859 km (0.12 R)
• M7: 4,363,471 km (0.062 R)
• M8: 4,893,496 km (0.115 R)
• M9: 6,046,148 km (0.112 R)
• M10: 6,406,529 km (0.036 R)
• M11: 7,051,894 km (0.086 R)
• M12: 7,492,161 km (0.076 R)
• M13: 16,486,583 km (0.076 R)
• M14: 17,334,055 km (0.09 R)
• M15: 18,433,749 km (0.077 R)
• M16: 22,180,727 km (0.111 R)
• M17: 23,038,670 km (0.114 R)
• M18: 27,761,625 km (0.116 R)
• M19: 31,889,030 km (0.072 R)
• M20: 34,780,607 km (0.043 R)
• M21: 38,329,069 km (0.114 R)
• M22: 38,819,600 km (0.077 R)
• M23: 40,696,904 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.6

Radius: 5.1

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.81 AU - 6.85 AU

Year: 10283 Days

Day: 20.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,984,945 km

• M1: 63,429 km (0.057 R)
• M2: 303,983 km (0.104 R)
• M3: 470,336 km (0.099 R)
• M4: 670,797 km (0.072 R)
• M5: 1,021,454 km (0.081 R)
• M6: 1,306,289 km (0.078 R)
• M7: 2,178,145 km (0.108 R)
• M8: 2,486,317 km (0.035 R)
• M9: 3,253,754 km (0.084 R)
• M10: 3,428,933 km (0.093 R)
• M11: 4,348,810 km (0.105 R)
• M12: 4,753,772 km (0.11 R)
• M13: 8,987,391 km (0.102 R)
• M14: 9,643,228 km (0.074 R)
• M15: 10,051,780 km (0.103 R)
• M16: 10,662,289 km (0.056 R)
• M17: 12,641,618 km (0.105 R)
• M18: 13,296,857 km (0.12 R)
• M19: 21,292,415 km (0.101 R)
• M20: 23,251,997 km (0.1 R)
• M21: 29,090,353 km (0.028 R)
• M22: 29,656,282 km (0.091 R)
• M23: 31,894,416 km (0.026 R)
• M24: 33,003,534 km (0.111 R)
• M25: 34,556,959 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.5

Radius: 5.7

Gravity: 29.04 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.62 AU - 8.92 AU

Year: 15356 Days

Day: 15.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,984,945 km

• M1: 73,901 km (0.06 R)
• M2: 296,204 km (0.105 R)
• M3: 922,420 km (0.082 R)
• M4: 1,178,981 km (0.101 R)
• M5: 1,405,622 km (0.064 R)
• M6: 2,183,531 km (0.079 R)
• M7: 3,111,337 km (0.096 R)
• M8: 3,324,663 km (0.099 R)
• M9: 4,958,421 km (0.094 R)
• M10: 5,788,091 km (0.093 R)
• M11: 6,750,754 km (0.103 R)
• M12: 11,613,731 km (0.111 R)
• M13: 11,869,245 km (0.062 R)
• M14: 12,259,546 km (0.102 R)
• M15: 12,929,146 km (0.07 R)
• M16: 14,414,054 km (0.106 R)
• M17: 15,235,646 km (0.082 R)
• M18: 19,011,346 km (0.073 R)
• M19: 27,771,199 km (0.09 R)
• M20: 30,348,172 km (0.054 R)
• M21: 33,723,250 km (0.087 R)
• M22: 60,296,619 km (0.109 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 13,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit