🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.7

Radius: 8.1

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.62 AU - 0.94 AU

Year: 445 Days

Day: 7.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,440,813 km

• M1: 100,679 km (0.091 R)
• M2: 429,495 km (0.036 R)
• M3: 718,967 km (0.04 R)
• M4: 1,015,321 km (0.081 R)
• M5: 3,388,691 km (0.112 R)
• M6: 4,031,663 km (0.058 R)
• M7: 4,361,975 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.8

Radius: 11

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.53 AU - 1.87 AU

Year: 1431 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,440,813 km

• M1: 136,882 km (0.078 R)
• M2: 487,240 km (0.075 R)
• M3: 1,006,345 km (0.094 R)
• M4: 1,635,703 km (0.112 R)
• M5: 2,753,050 km (0.099 R)
• M6: 3,280,382 km (0.119 R)
• M7: 4,320,835 km (0.04 R)
• M8: 5,035,614 km (0.102 R)
• M9: 5,827,435 km (0.05 R)
• M10: 6,944,034 km (0.093 R)
• M11: 9,203,261 km (0.1 R)
• M12: 9,813,620 km (0.082 R)
• M13: 11,949,579 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.4

Radius: 9.4

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.63 AU - 2.97 AU

Year: 3025 Days

Day: 6.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,440,813 km

• M1: 117,434 km (0.11 R)
• M2: 422,464 km (0.114 R)
• M3: 892,950 km (0.077 R)
• M4: 1,203,365 km (0.077 R)
• M5: 1,514,379 km (0.116 R)
• M6: 1,820,606 km (0.098 R)
• M7: 2,331,333 km (0.041 R)
• M8: 3,564,468 km (0.084 R)
• M9: 4,239,005 km (0.12 R)
• M10: 5,507,296 km (0.08 R)
• M11: 6,634,067 km (0.108 R)
• M12: 7,191,469 km (0.099 R)
• M13: 7,497,247 km (0.108 R)
• M14: 8,069,608 km (0.029 R)
• M15: 8,400,070 km (0.074 R)
• M16: 13,058,697 km (0.102 R)
• M17: 13,422,669 km (0.093 R)
• M18: 13,887,320 km (0.072 R)
• M19: 17,501,006 km (0.082 R)
• M20: 19,025,857 km (0.116 R)
• M21: 19,850,441 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.5

Radius: 11.8

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.81 AU - 5.05 AU

Year: 7068 Days

Day: 11.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,440,813 km

• M1: 148,999 km (0.055 R)
• M2: 2,953,660 km (0.109 R)
• M3: 3,630,441 km (0.057 R)
• M4: 4,283,585 km (0.054 R)
• M5: 7,488,869 km (0.115 R)
• M6: 9,073,709 km (0.08 R)
• M7: 11,585,607 km (0.086 R)
• M8: 12,028,566 km (0.114 R)
• M9: 12,585,519 km (0.081 R)
• M10: 14,303,800 km (0.087 R)
• M11: 16,295,696 km (0.085 R)
• M12: 16,665,502 km (0.108 R)
• M13: 17,808,729 km (0.104 R)
• M14: 19,344,650 km (0.084 R)
• M15: 19,829,198 km (0.119 R)
• M16: 20,392,883 km (0.118 R)
• M17: 21,848,769 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.5

Radius: 4.3

Gravity: 16.41 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.84 AU - 10.44 AU

Year: 19326 Days

Day: 21.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 48,440,813 km

• M1: 54,753 km (0.053 R)
• M2: 229,782 km (0.081 R)
• M3: 690,095 km (0.089 R)
• M4: 1,180,776 km (0.117 R)
• M5: 1,522,458 km (0.094 R)
• M6: 2,033,933 km (0.08 R)
• M7: 2,502,922 km (0.098 R)
• M8: 2,740,483 km (0.075 R)
• M9: 3,016,641 km (0.112 R)
• M10: 3,285,768 km (0.038 R)
• M11: 3,465,285 km (0.056 R)
• M12: 4,525,485 km (0.083 R)
• M13: 4,748,087 km (0.094 R)
• M14: 5,180,574 km (0.097 R)
• M15: 5,971,797 km (0.078 R)
• M16: 6,435,700 km (0.116 R)
• M17: 7,091,238 km (0.079 R)
• M18: 9,947,361 km (0.104 R)
• M19: 12,472,423 km (0.097 R)
• M20: 13,683,717 km (0.093 R)
• M21: 14,284,053 km (0.046 R)
• M22: 18,100,146 km (0.112 R)
• M23: 20,155,172 km (0.119 R)
• M24: 20,411,881 km (0.117 R)
• M25: 24,333,440 km (0.083 R)
• M26: 27,453,004 km (0.12 R)
• M27: 27,979,888 km (0.117 R)
• M28: 31,055,770 km (0.099 R)
• M29: 31,858,512 km (0.102 R)
• M30: 37,998,757 km (0.099 R)
• M31: 40,796,835 km (0.119 R)
• M32: 52,229,703 km (0.072 R)
• M33: 55,179,175 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.4

Radius: 4.9

Gravity: 29.96 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.71 AU - 10.63 AU

Year: 19416 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 48,440,813 km

• M1: 98,286 km (0.076 R)
• M2: 264,489 km (0.066 R)
• M3: 481,107 km (0.049 R)
• M4: 752,627 km (0.079 R)
• M5: 935,585 km (0.068 R)
• M6: 1,377,348 km (0.047 R)
• M7: 1,688,810 km (0.101 R)
• M8: 3,537,391 km (0.109 R)
• M9: 3,745,332 km (0.118 R)
• M10: 4,185,748 km (0.096 R)
• M11: 6,169,416 km (0.071 R)
• M12: 6,647,980 km (0.117 R)
• M13: 7,104,253 km (0.1 R)
• M14: 7,484,082 km (0.099 R)
• M15: 8,920,371 km (0.117 R)
• M16: 11,340,865 km (0.047 R)
• M17: 12,804,680 km (0.102 R)
• M18: 13,438,227 km (0.05 R)
• M19: 14,615,862 km (0.102 R)
• M20: 16,263,533 km (0.097 R)
• M21: 17,343,330 km (0.087 R)
• M22: 18,916,202 km (0.098 R)
• M23: 20,581,675 km (0.119 R)
• M24: 22,342,442 km (0.074 R)
• M25: 23,156,404 km (0.115 R)
• M26: 24,201,196 km (0.108 R)
• M27: 25,386,459 km (0.109 R)
• M28: 26,836,512 km (0.108 R)
• M29: 29,535,706 km (0.06 R)
• M30: 32,928,586 km (0.08 R)
• M31: 36,293,640 km (0.116 R)
• M32: 37,275,451 km (0.107 R)
• M33: 44,648,382 km (0.095 R)
• M34: 48,590,136 km (0.11 R)
• M35: 52,579,313 km (0.104 R)
• M36: 54,744,742 km (0.104 R)
• M37: 58,676,025 km (0.049 R)
• M38: 61,004,815 km (0.085 R)
• M39: 63,596,299 km (0.101 R)
• M40: 64,816,868 km (0.119 R)
• M41: 67,725,200 km (0.073 R)
• M42: 68,147,664 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.4

Radius: 7.8

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.58 AU - 12.24 AU

Year: 20143 Days

Day: 23.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,440,813 km

• M1: 97,239 km (0.058 R)
• M2: 410,497 km (0.077 R)
• M3: 666,907 km (0.109 R)
• M4: 1,099,395 km (0.114 R)
• M5: 2,063,254 km (0.074 R)
• M6: 3,998,153 km (0.106 R)
• M7: 8,745,940 km (0.074 R)
• M8: 9,073,260 km (0.036 R)
• M9: 13,171,793 km (0.105 R)
• M10: 15,350,387 km (0.112 R)
• M11: 18,359,548 km (0.069 R)
• M12: 22,865,735 km (0.03 R)
• M13: 28,260,683 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.6

Radius: 6.5

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.91 AU - 10.29 AU

Year: 20725 Days

Day: 19.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,440,813 km

• M1: 85,869 km (0.025 R)
• M2: 290,220 km (0.091 R)
• M3: 3,016,192 km (0.08 R)
• M4: 3,898,969 km (0.045 R)
• M5: 5,069,722 km (0.055 R)
• M6: 5,981,970 km (0.118 R)
• M7: 6,609,683 km (0.073 R)
• M8: 7,118,764 km (0.094 R)
• M9: 7,909,239 km (0.035 R)
• M10: 8,259,149 km (0.056 R)
• M11: 8,710,785 km (0.06 R)
• M12: 11,662,201 km (0.112 R)
• M13: 14,495,884 km (0.084 R)
• M14: 17,831,917 km (0.104 R)
• M15: 22,504,606 km (0.089 R)
• M16: 34,403,471 km (0.068 R)
• M17: 41,151,981 km (0.1 R)
• M18: 45,736,407 km (0.114 R)
• M19: 46,579,242 km (0.085 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 18,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit