🌌 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: 535.3

Radius: 8.1

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.42 AU - 0.62 AU

Year: 264 Days

Day: 12.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,175,361 km

• M1: 100,679 km (0.099 R)
• M2: 438,771 km (0.079 R)
• M3: 744,997 km (0.039 R)
• M4: 1,076,207 km (0.101 R)
• M5: 1,346,830 km (0.055 R)
• M6: 1,600,996 km (0.04 R)
• M7: 1,853,518 km (0.112 R)
• M8: 2,178,295 km (0.076 R)
• M9: 2,679,148 km (0.062 R)
• M10: 3,057,481 km (0.117 R)
• M11: 3,556,241 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.5

Radius: 11.6

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1 AU - 1.56 AU

Year: 1018 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,175,361 km

• M1: 144,212 km (0.082 R)
• M2: 587,920 km (0.068 R)
• M3: 1,047,035 km (0.12 R)
• M4: 1,596,508 km (0.109 R)
• M5: 2,001,021 km (0.082 R)
• M6: 2,621,254 km (0.106 R)
• M7: 3,366,401 km (0.103 R)
• M8: 4,328,914 km (0.062 R)
• M9: 4,982,207 km (0.113 R)
• M10: 5,427,860 km (0.075 R)
• M11: 5,880,094 km (0.119 R)
• M12: 6,464,274 km (0.086 R)
• M13: 7,109,938 km (0.067 R)
• M14: 7,871,840 km (0.046 R)
• M15: 8,298,194 km (0.105 R)
• M16: 9,115,746 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.3

Radius: 14.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.42 AU - 2.36 AU

Year: 1826 Days

Day: 11.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,175,361 km

• M1: 185,352 km (0.075 R)
• M2: 663,167 km (0.114 R)
• M3: 1,158,037 km (0.077 R)
• M4: 1,835,715 km (0.074 R)
• M5: 2,518,181 km (0.09 R)
• M6: 3,106,250 km (0.048 R)
• M7: 5,237,421 km (0.053 R)
• M8: 6,517,680 km (0.099 R)
• M9: 7,118,615 km (0.082 R)
• M10: 8,212,923 km (0.115 R)
• M11: 10,222,770 km (0.113 R)
• M12: 11,812,846 km (0.04 R)
• M13: 12,834,600 km (0.061 R)
• M14: 13,345,626 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.2

Radius: 8.8

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.05 AU - 5.09 AU

Year: 6867 Days

Day: 5.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,175,361 km

• M1: 109,506 km (0.105 R)
• M2: 905,516 km (0.109 R)
• M3: 1,226,104 km (0.11 R)
• M4: 3,315,986 km (0.115 R)
• M5: 3,651,834 km (0.049 R)
• M6: 4,072,503 km (0.107 R)
• M7: 7,785,073 km (0.102 R)
• M8: 8,830,463 km (0.08 R)
• M9: 10,471,103 km (0.107 R)
• M10: 14,837,715 km (0.113 R)
• M11: 19,616,320 km (0.056 R)
• M12: 19,918,508 km (0.05 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424

Radius: 7.2

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.63 AU - 7.69 AU

Year: 12081 Days

Day: 15.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,175,361 km

• M1: 107,561 km (0.027 R)
• M2: 728,841 km (0.089 R)
• M3: 1,061,846 km (0.109 R)
• M4: 1,548,936 km (0.093 R)
• M5: 2,211,505 km (0.089 R)
• M6: 2,708,320 km (0.117 R)
• M7: 4,192,480 km (0.082 R)
• M8: 5,464,212 km (0.091 R)
• M9: 6,517,680 km (0.061 R)
• M10: 9,539,856 km (0.104 R)
• M11: 18,906,628 km (0.077 R)
• M12: 19,993,456 km (0.056 R)
• M13: 28,592,342 km (0.103 R)
• M14: 29,609,009 km (0.097 R)
• M15: 32,913,626 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610

Radius: 5.5

Gravity: 20.17 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.52 AU - 7.04 AU

Year: 12409 Days

Day: 20.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,175,361 km

• M1: 76,295 km (0.074 R)
• M2: 348,563 km (0.071 R)
• M3: 879,635 km (0.104 R)
• M4: 1,338,901 km (0.094 R)
• M5: 2,290,643 km (0.095 R)
• M6: 2,570,540 km (0.1 R)
• M7: 2,873,027 km (0.089 R)
• M8: 3,150,980 km (0.117 R)
• M9: 3,707,185 km (0.106 R)
• M10: 4,065,322 km (0.056 R)
• M11: 4,356,290 km (0.109 R)
• M12: 5,111,310 km (0.063 R)
• M13: 5,590,173 km (0.063 R)
• M14: 7,123,402 km (0.109 R)
• M15: 8,443,154 km (0.078 R)
• M16: 9,111,558 km (0.108 R)
• M17: 16,644,409 km (0.079 R)
• M18: 16,865,365 km (0.09 R)
• M19: 17,769,085 km (0.094 R)
• M20: 18,155,048 km (0.086 R)
• M21: 18,467,708 km (0.113 R)
• M22: 20,085,459 km (0.095 R)
• M23: 21,100,331 km (0.085 R)
• M24: 21,446,052 km (0.058 R)
• M25: 30,369,116 km (0.095 R)
• M26: 35,333,072 km (0.084 R)
• M27: 36,189,221 km (0.096 R)
• M28: 38,197,722 km (0.062 R)
• M29: 42,435,530 km (0.05 R)
• M30: 43,681,531 km (0.116 R)
• M31: 43,961,728 km (0.078 R)
• M32: 46,246,387 km (0.093 R)
• M33: 47,713,792 km (0.115 R)
• M34: 48,160,043 km (0.103 R)
• M35: 49,667,540 km (0.113 R)
• M36: 51,987,354 km (0.086 R)
• M37: 52,935,057 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870

Radius: 7.8

Gravity: 14.3 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.11 AU - 7.43 AU

Year: 13779 Days

Day: 15.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,175,361 km

• M1: 99,483 km (0.11 R)
• M2: 641,924 km (0.118 R)
• M3: 1,388,567 km (0.062 R)
• M4: 1,711,400 km (0.104 R)
• M5: 2,597,318 km (0.034 R)
• M6: 4,143,113 km (0.093 R)
• M7: 4,423,908 km (0.105 R)
• M8: 6,425,827 km (0.057 R)
• M9: 7,509,813 km (0.09 R)
• M10: 9,979,973 km (0.047 R)
• M11: 14,952,906 km (0.056 R)
• M12: 16,375,133 km (0.081 R)
• M13: 19,141,646 km (0.068 R)
• M14: 19,573,086 km (0.113 R)
• M15: 20,545,173 km (0.099 R)
• M16: 31,380,697 km (0.105 R)
• M17: 36,134,618 km (0.085 R)
• M18: 37,460,952 km (0.055 R)
• M19: 39,789,892 km (0.083 R)
• M20: 41,061,025 km (0.114 R)
• M21: 42,651,251 km (0.118 R)
• M22: 43,535,823 km (0.05 R)
• M23: 52,557,023 km (0.115 R)
• M24: 62,937,769 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.3

Radius: 3.6

Gravity: 42.85 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.55 AU - 11.15 AU

Year: 20097 Days

Day: 17.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,175,361 km

• M1: 45,328 km (0.115 R)
• M2: 556,205 km (0.095 R)
• M3: 703,559 km (0.109 R)
• M4: 1,444,816 km (0.095 R)
• M5: 3,308,507 km (0.072 R)
• M6: 5,543,798 km (0.112 R)
• M7: 5,779,415 km (0.057 R)
• M8: 7,150,479 km (0.053 R)
• M9: 8,464,547 km (0.071 R)
• M10: 8,936,079 km (0.111 R)
• M11: 9,817,211 km (0.078 R)
• M12: 13,079,491 km (0.085 R)
• M13: 15,796,338 km (0.038 R)
• M14: 18,343,841 km (0.118 R)
• M15: 18,954,649 km (0.105 R)
• M16: 22,707,760 km (0.054 R)
• M17: 25,181,810 km (0.095 R)
• M18: 25,718,866 km (0.084 R)
• M19: 25,935,932 km (0.105 R)
• M20: 30,779,014 km (0.039 R)
• M21: 34,584,933 km (0.08 R)
• M22: 39,120,591 km (0.082 R)
• M23: 39,263,906 km (0.052 R)
• M24: 44,191,959 km (0.05 R)
• M25: 47,860,248 km (0.107 R)
• M26: 50,020,741 km (0.025 R)
• M27: 60,454,444 km (0.112 R)
• M28: 69,272,042 km (0.083 R)
• M29: 70,113,680 km (0.106 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 19,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit