🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.22 AU - 1.58 AU

Year: 624 Days

Day: 24.2 Hours

Environment

Temp: -47 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.2 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.1

Radius: 10

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.13 AU - 5.85 AU

Year: 4199 Days

Day: 11.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,684,229 km

• M1: 126,410 km (0.094 R)
• M2: 519,703 km (0.07 R)
• M3: 884,722 km (0.091 R)
• M4: 1,226,254 km (0.096 R)
• M5: 1,604,437 km (0.077 R)
• M6: 1,950,756 km (0.097 R)
• M7: 2,374,567 km (0.047 R)
• M8: 3,019,035 km (0.082 R)
• M9: 3,795,148 km (0.108 R)
• M10: 5,344,982 km (0.07 R)
• M11: 5,841,797 km (0.059 R)
• M12: 6,899,454 km (0.047 R)
• M13: 7,519,537 km (0.093 R)
• M14: 9,355,402 km (0.063 R)
• M15: 10,264,508 km (0.107 R)
• M16: 10,837,618 km (0.071 R)
• M17: 13,752,981 km (0.089 R)
• M18: 17,313,710 km (0.078 R)
• M19: 17,907,015 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.3

Radius: 14.1

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.8 AU - 7.82 AU

Year: 5971 Days

Day: 11.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 81.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,684,229 km

• M1: 175,628 km (0.104 R)
• M2: 801,695 km (0.062 R)
• M3: 1,478,476 km (0.056 R)
• M4: 2,128,628 km (0.111 R)
• M5: 3,244,927 km (0.046 R)
• M6: 5,133,152 km (0.115 R)
• M7: 7,126,095 km (0.045 R)
• M8: 8,060,184 km (0.075 R)
• M9: 8,575,848 km (0.116 R)
• M10: 9,113,502 km (0.11 R)
• M11: 11,220,439 km (0.106 R)
• M12: 13,583,487 km (0.113 R)
• M13: 14,209,404 km (0.083 R)
• M14: 15,351,135 km (0.067 R)
• M15: 18,504,359 km (0.085 R)
• M16: 22,859,751 km (0.082 R)
• M17: 25,118,978 km (0.109 R)
• M18: 26,624,681 km (0.109 R)
• M19: 27,194,350 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.6

Radius: 8.7

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.95 AU - 10.51 AU

Year: 10564 Days

Day: 5.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,684,229 km

• M1: 137,032 km (0.077 R)
• M2: 496,964 km (0.047 R)
• M3: 852,109 km (0.053 R)
• M4: 1,478,027 km (0.096 R)
• M5: 3,970,028 km (0.099 R)
• M6: 4,571,561 km (0.046 R)
• M7: 6,449,763 km (0.11 R)
• M8: 6,932,515 km (0.04 R)
• M9: 8,614,743 km (0.059 R)
• M10: 11,758,841 km (0.12 R)
• M11: 12,367,106 km (0.086 R)
• M12: 19,345,997 km (0.095 R)
• M13: 22,799,613 km (0.095 R)
• M14: 26,269,087 km (0.111 R)
• M15: 32,591,691 km (0.093 R)
• M16: 33,900,972 km (0.091 R)
• M17: 39,002,558 km (0.033 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.2

Radius: 7.2

Gravity: 15.96 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 11.2 AU - 17.64 AU

Year: 20629 Days

Day: 21.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,684,229 km

• M1: 89,908 km (0.089 R)
• M2: 326,123 km (0.102 R)
• M3: 571,464 km (0.091 R)
• M4: 910,752 km (0.059 R)
• M5: 1,662,332 km (0.084 R)
• M6: 4,343,125 km (0.03 R)
• M7: 4,731,631 km (0.097 R)
• M8: 5,660,185 km (0.118 R)
• M9: 6,522,318 km (0.118 R)
• M10: 7,821,425 km (0.098 R)
• M11: 8,132,140 km (0.048 R)
• M12: 8,722,902 km (0.093 R)
• M13: 10,921,542 km (0.115 R)
• M14: 11,909,786 km (0.095 R)
• M15: 17,936,785 km (0.107 R)
• M16: 20,069,003 km (0.095 R)
• M17: 20,456,312 km (0.088 R)
• M18: 20,848,558 km (0.05 R)
• M19: 22,364,433 km (0.038 R)
• M20: 23,308,545 km (0.079 R)
• M21: 26,531,182 km (0.109 R)
• M22: 27,233,096 km (0.03 R)
• M23: 32,497,594 km (0.052 R)
• M24: 32,897,619 km (0.113 R)
• M25: 34,530,929 km (0.089 R)
• M26: 40,827,652 km (0.088 R)
• M27: 42,872,057 km (0.035 R)
• M28: 43,353,313 km (0.086 R)
• M29: 44,000,623 km (0.119 R)
• M30: 45,814,049 km (0.115 R)
• M31: 47,848,430 km (0.109 R)
• M32: 58,535,253 km (0.109 R)
• M33: 59,723,958 km (0.099 R)
• M34: 66,336,633 km (0.115 R)
• M35: 67,195,923 km (0.078 R)
• M36: 68,280,657 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.7

Radius: 7.3

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 14.79 AU - 15.25 AU

Year: 21930 Days

Day: 17.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,684,229 km

• M1: 101,876 km (0.062 R)
• M2: 413,788 km (0.094 R)
• M3: 946,805 km (0.066 R)
• M4: 1,198,877 km (0.115 R)
• M5: 1,482,216 km (0.052 R)
• M6: 3,711,074 km (0.104 R)
• M7: 4,526,532 km (0.109 R)
• M8: 5,024,693 km (0.092 R)
• M9: 5,253,877 km (0.032 R)
• M10: 5,663,027 km (0.03 R)
• M11: 10,252,989 km (0.059 R)
• M12: 10,622,795 km (0.043 R)
• M13: 13,092,955 km (0.068 R)
• M14: 18,429,111 km (0.083 R)
• M15: 21,018,202 km (0.107 R)
• M16: 40,079,962 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.9

Radius: 4.4

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 14.26 AU - 22.6 AU

Year: 29807 Days

Day: 18.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,684,229 km

• M1: 55,052 km (0.036 R)
• M2: 409,001 km (0.081 R)
• M3: 2,109,031 km (0.062 R)
• M4: 3,385,250 km (0.077 R)
• M5: 4,153,435 km (0.12 R)
• M6: 4,444,553 km (0.112 R)
• M7: 4,612,102 km (0.056 R)
• M8: 6,231,948 km (0.095 R)
• M9: 10,130,319 km (0.115 R)
• M10: 11,450,819 km (0.085 R)
• M11: 12,680,065 km (0.077 R)
• M12: 13,781,255 km (0.115 R)
• M13: 14,501,120 km (0.117 R)
• M14: 14,944,827 km (0.091 R)
• M15: 16,251,116 km (0.107 R)
• M16: 23,631,826 km (0.074 R)
• M17: 25,720,212 km (0.119 R)
• M18: 38,166,007 km (0.111 R)
• M19: 39,580,904 km (0.113 R)
• M20: 46,222,900 km (0.051 R)
• M21: 54,274,407 km (0.091 R)
• M22: 69,267,255 km (0.044 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: 399 - 13,275 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit