🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.3

Radius: 14.1

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.43 AU - 0.63 AU

Year: 262 Days

Day: 10.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,441,896 km

• M1: 178,620 km (0.101 R)
• M2: 623,075 km (0.104 R)
• M3: 1,208,302 km (0.113 R)
• M4: 1,673,551 km (0.045 R)
• M5: 2,340,608 km (0.111 R)
• M6: 3,323,915 km (0.086 R)
• M7: 3,893,733 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.6

Radius: 8.2

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.05 AU - 1.13 AU

Year: 772 Days

Day: 10.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,441,896 km

• M1: 102,026 km (0.077 R)
• M2: 400,773 km (0.049 R)
• M3: 710,141 km (0.111 R)
• M4: 1,096,253 km (0.107 R)
• M5: 1,408,015 km (0.079 R)
• M6: 1,716,486 km (0.108 R)
• M7: 2,150,170 km (0.105 R)
• M8: 2,462,231 km (0.088 R)
• M9: 2,858,815 km (0.095 R)
• M10: 3,297,586 km (0.047 R)
• M11: 4,252,170 km (0.114 R)
• M12: 5,465,109 km (0.07 R)
• M13: 6,013,386 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.6

Radius: 9.8

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.52 AU - 1.84 AU

Year: 1477 Days

Day: 10.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,441,896 km

• M1: 122,072 km (0.072 R)
• M2: 439,668 km (0.101 R)
• M3: 1,615,507 km (0.116 R)
• M4: 2,008,800 km (0.097 R)
• M5: 2,860,162 km (0.102 R)
• M6: 3,794,251 km (0.057 R)
• M7: 4,153,435 km (0.114 R)
• M8: 4,940,619 km (0.098 R)
• M9: 5,304,142 km (0.099 R)
• M10: 5,639,541 km (0.11 R)
• M11: 6,230,153 km (0.031 R)
• M12: 6,835,576 km (0.117 R)
• M13: 7,179,501 km (0.067 R)
• M14: 7,816,638 km (0.038 R)
• M15: 9,821,699 km (0.069 R)
• M16: 10,747,560 km (0.099 R)
• M17: 12,852,103 km (0.086 R)
• M18: 14,557,518 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.3

Radius: 9

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.87 AU - 2.25 AU

Year: 2005 Days

Day: 11.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 62.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,441,896 km

• M1: 111,899 km (0.087 R)
• M2: 414,685 km (0.067 R)
• M3: 1,904,680 km (0.105 R)
• M4: 2,957,101 km (0.107 R)
• M5: 3,342,914 km (0.074 R)
• M6: 4,456,969 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.3

Radius: 9.5

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.8 AU - 4.2 AU

Year: 5426 Days

Day: 8 Hours

Environment

Temp: -212 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,441,896 km

• M1: 128,505 km (0.098 R)
• M2: 787,184 km (0.05 R)
• M3: 1,185,563 km (0.114 R)
• M4: 3,094,731 km (0.112 R)
• M5: 3,403,052 km (0.032 R)
• M6: 5,069,273 km (0.091 R)
• M7: 5,679,034 km (0.025 R)
• M8: 6,940,593 km (0.113 R)
• M9: 7,327,902 km (0.103 R)
• M10: 8,657,678 km (0.052 R)
• M11: 9,919,835 km (0.097 R)
• M12: 10,366,684 km (0.083 R)
• M13: 10,733,647 km (0.069 R)
• M14: 11,738,795 km (0.094 R)
• M15: 15,130,329 km (0.12 R)
• M16: 16,085,661 km (0.077 R)
• M17: 26,143,425 km (0.046 R)
• M18: 29,944,258 km (0.076 R)
• M19: 31,162,134 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.8

Radius: 4.2

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.99 AU - 9.89 AU

Year: 15175 Days

Day: 22.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,441,896 km

• M1: 52,210 km (0.115 R)
• M2: 201,957 km (0.1 R)
• M3: 544,087 km (0.117 R)
• M4: 742,305 km (0.075 R)
• M5: 2,599,562 km (0.066 R)
• M6: 2,989,265 km (0.058 R)
• M7: 3,909,591 km (0.097 R)
• M8: 4,173,182 km (0.058 R)
• M9: 4,648,155 km (0.094 R)
• M10: 4,943,910 km (0.114 R)
• M11: 5,975,238 km (0.07 R)
• M12: 8,153,533 km (0.115 R)
• M13: 9,119,486 km (0.071 R)
• M14: 10,013,034 km (0.049 R)
• M15: 11,918,014 km (0.063 R)
• M16: 15,368,937 km (0.118 R)
• M17: 18,319,306 km (0.11 R)
• M18: 18,465,015 km (0.077 R)
• M19: 20,430,880 km (0.092 R)
• M20: 27,062,853 km (0.065 R)
• M21: 27,824,456 km (0.105 R)
• M22: 28,600,420 km (0.078 R)
• M23: 29,590,459 km (0.103 R)
• M24: 34,662,126 km (0.114 R)
• M25: 37,285,175 km (0.115 R)
• M26: 41,150,634 km (0.093 R)
• M27: 42,284,137 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.7

Radius: 6.9

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.58 AU - 9.58 AU

Year: 20111 Days

Day: 22.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,441,896 km

• M1: 90,208 km (0.076 R)
• M2: 318,344 km (0.065 R)
• M3: 592,258 km (0.088 R)
• M4: 823,087 km (0.103 R)
• M5: 1,103,583 km (0.095 R)
• M6: 1,378,544 km (0.104 R)
• M7: 1,607,130 km (0.082 R)
• M8: 2,470,908 km (0.107 R)
• M9: 3,063,016 km (0.029 R)
• M10: 3,430,578 km (0.093 R)
• M11: 4,618,385 km (0.09 R)
• M12: 5,305,339 km (0.066 R)
• M13: 7,170,675 km (0.067 R)
• M14: 9,844,886 km (0.112 R)
• M15: 11,547,310 km (0.051 R)
• M16: 13,245,844 km (0.037 R)
• M17: 14,221,073 km (0.109 R)
• M18: 16,240,794 km (0.078 R)
• M19: 19,248,309 km (0.029 R)
• M20: 20,839,731 km (0.062 R)
• M21: 21,447,548 km (0.104 R)
• M22: 23,715,002 km (0.03 R)
• M23: 25,937,877 km (0.113 R)
• M24: 27,563,856 km (0.108 R)
• M25: 30,018,309 km (0.087 R)
• M26: 32,731,117 km (0.111 R)
• M27: 33,081,176 km (0.058 R)
• M28: 37,226,533 km (0.102 R)
• M29: 39,423,377 km (0.085 R)
• M30: 40,218,939 km (0.064 R)
• M31: 45,507,971 km (0.106 R)
• M32: 47,418,635 km (0.098 R)
• M33: 53,632,333 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.3

Radius: 5.9

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 8.71 AU - 12.57 AU

Year: 23540 Days

Day: 17.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 71,441,896 km

• M1: 73,453 km (0.101 R)
• M2: 399,875 km (0.114 R)
• M3: 635,791 km (0.082 R)
• M4: 1,256,772 km (0.067 R)
• M5: 1,905,578 km (0.081 R)
• M6: 2,390,125 km (0.119 R)
• M7: 2,878,413 km (0.112 R)
• M8: 3,159,657 km (0.058 R)
• M9: 3,459,002 km (0.099 R)
• M10: 4,438,419 km (0.097 R)
• M11: 4,956,327 km (0.049 R)
• M12: 5,248,492 km (0.1 R)
• M13: 7,483,035 km (0.089 R)
• M14: 7,770,413 km (0.115 R)
• M15: 9,765,001 km (0.034 R)
• M16: 10,050,583 km (0.118 R)
• M17: 13,998,172 km (0.103 R)
• M18: 14,361,396 km (0.117 R)
• M19: 17,918,833 km (0.119 R)
• M20: 19,763,524 km (0.103 R)
• M21: 20,405,598 km (0.119 R)
• M22: 23,315,277 km (0.07 R)
• M23: 25,724,999 km (0.09 R)
• M24: 28,876,578 km (0.051 R)
• M25: 30,302,545 km (0.108 R)
• M26: 32,782,578 km (0.049 R)
• M27: 33,811,363 km (0.117 R)
• M28: 35,127,375 km (0.111 R)
• M29: 43,286,742 km (0.104 R)
• M30: 47,069,773 km (0.044 R)
• M31: 52,101,049 km (0.067 R)
• M32: 54,209,930 km (0.075 R)
• M33: 61,069,890 km (0.086 R)
• M34: 61,650,180 km (0.096 R)
• M35: 66,018,588 km (0.041 R)
• M36: 69,322,157 km (0.106 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: 473 - 13,260 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit