🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.3

Radius: 14.2

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.46 AU - 0.66 AU

Year: 289 Days

Day: 7.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,646,238 km

• M1: 178,171 km (0.091 R)
• M2: 636,689 km (0.112 R)
• M3: 1,430,156 km (0.1 R)
• M4: 1,992,195 km (0.034 R)
• M5: 2,464,475 km (0.091 R)
• M6: 3,411,280 km (0.076 R)
• M7: 3,940,109 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.1

Radius: 14.9

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.87 AU - 0.95 AU

Year: 599 Days

Day: 5.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,646,238 km

• M1: 185,352 km (0.055 R)
• M2: 656,286 km (0.072 R)
• M3: 1,127,519 km (0.069 R)
• M4: 1,767,050 km (0.102 R)
• M5: 2,489,309 km (0.119 R)
• M6: 3,480,245 km (0.091 R)
• M7: 4,317,993 km (0.1 R)
• M8: 4,882,874 km (0.079 R)
• M9: 6,298,220 km (0.036 R)
• M10: 7,027,809 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.4

Radius: 8.9

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.18 AU - 1.24 AU

Year: 919 Days

Day: 10.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,646,238 km

• M1: 111,151 km (0.092 R)
• M2: 759,957 km (0.099 R)
• M3: 1,175,989 km (0.051 R)
• M4: 1,589,777 km (0.092 R)
• M5: 2,089,134 km (0.116 R)
• M6: 3,056,733 km (0.079 R)
• M7: 3,484,583 km (0.078 R)
• M8: 3,952,077 km (0.053 R)
• M9: 4,249,028 km (0.087 R)
• M10: 5,474,684 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.3

Radius: 14

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.01 AU - 2.53 AU

Year: 2361 Days

Day: 12 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,646,238 km

• M1: 174,282 km (0.048 R)
• M2: 663,616 km (0.086 R)
• M3: 1,122,433 km (0.118 R)
• M4: 1,804,150 km (0.106 R)
• M5: 2,386,236 km (0.117 R)
• M6: 3,290,106 km (0.097 R)
• M7: 3,916,323 km (0.068 R)
• M8: 4,557,649 km (0.104 R)
• M9: 6,690,017 km (0.09 R)
• M10: 7,431,274 km (0.055 R)
• M11: 7,914,326 km (0.062 R)
• M12: 12,111,892 km (0.062 R)
• M13: 13,083,979 km (0.116 R)
• M14: 15,865,004 km (0.06 R)
• M15: 17,978,523 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.4

Radius: 7.5

Gravity: 13.48 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.51 AU - 6.11 AU

Year: 9667 Days

Day: 17.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,646,238 km

• M1: 93,349 km (0.098 R)
• M2: 366,216 km (0.101 R)
• M3: 1,099,544 km (0.115 R)
• M4: 1,335,460 km (0.097 R)
• M5: 1,832,125 km (0.103 R)
• M6: 2,604,200 km (0.09 R)
• M7: 3,143,799 km (0.051 R)
• M8: 5,647,469 km (0.075 R)
• M9: 6,857,566 km (0.067 R)
• M10: 7,256,095 km (0.09 R)
• M11: 8,590,508 km (0.098 R)
• M12: 10,544,556 km (0.099 R)
• M13: 12,365,610 km (0.099 R)
• M14: 12,956,522 km (0.066 R)
• M15: 14,130,865 km (0.119 R)
• M16: 15,441,941 km (0.114 R)
• M17: 15,850,642 km (0.084 R)
• M18: 19,859,716 km (0.102 R)
• M19: 21,755,420 km (0.118 R)
• M20: 24,959,806 km (0.081 R)
• M21: 25,807,428 km (0.119 R)
• M22: 27,065,396 km (0.08 R)
• M23: 27,460,634 km (0.12 R)
• M24: 28,976,958 km (0.105 R)
• M25: 29,808,124 km (0.106 R)
• M26: 31,736,141 km (0.073 R)
• M27: 32,286,063 km (0.077 R)
• M28: 33,066,814 km (0.069 R)
• M29: 35,957,643 km (0.093 R)
• M30: 41,709,083 km (0.111 R)
• M31: 44,939,948 km (0.115 R)
• M32: 48,189,214 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.2

Radius: 8

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.75 AU - 7.65 AU

Year: 11971 Days

Day: 22.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,646,238 km

• M1: 182,659 km (0.084 R)
• M2: 852,857 km (0.094 R)
• M3: 1,939,836 km (0.059 R)
• M4: 2,560,966 km (0.037 R)
• M5: 3,051,946 km (0.111 R)
• M6: 3,944,896 km (0.116 R)
• M7: 4,510,974 km (0.075 R)
• M8: 7,748,123 km (0.052 R)
• M9: 10,556,374 km (0.106 R)
• M10: 18,766,604 km (0.101 R)
• M11: 19,472,407 km (0.069 R)
• M12: 21,441,115 km (0.084 R)
• M13: 24,083,911 km (0.077 R)
• M14: 29,689,493 km (0.095 R)
• M15: 31,188,314 km (0.037 R)
• M16: 31,625,738 km (0.088 R)
• M17: 33,075,341 km (0.104 R)
• M18: 34,919,733 km (0.113 R)
• M19: 38,061,438 km (0.093 R)
• M20: 41,386,550 km (0.055 R)
• M21: 42,849,916 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.4

Radius: 7

Gravity: 18.84 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.04 AU - 7.92 AU

Year: 14121 Days

Day: 20.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,646,238 km

• M1: 87,066 km (0.026 R)
• M2: 501,751 km (0.082 R)
• M3: 739,313 km (0.11 R)
• M4: 1,007,093 km (0.05 R)
• M5: 1,830,779 km (0.103 R)
• M6: 2,567,099 km (0.089 R)
• M7: 3,513,456 km (0.108 R)
• M8: 4,127,106 km (0.081 R)
• M9: 4,378,879 km (0.08 R)
• M10: 4,948,249 km (0.106 R)
• M11: 5,196,581 km (0.119 R)
• M12: 5,453,142 km (0.112 R)
• M13: 5,679,932 km (0.083 R)
• M14: 6,031,786 km (0.06 R)
• M15: 7,402,103 km (0.084 R)
• M16: 9,020,452 km (0.107 R)
• M17: 9,773,528 km (0.056 R)
• M18: 10,165,475 km (0.083 R)
• M19: 11,465,630 km (0.095 R)
• M20: 12,155,725 km (0.061 R)
• M21: 12,609,006 km (0.11 R)
• M22: 16,026,869 km (0.039 R)
• M23: 16,968,886 km (0.106 R)
• M24: 18,962,727 km (0.103 R)
• M25: 26,086,278 km (0.087 R)
• M26: 27,277,676 km (0.081 R)
• M27: 29,189,686 km (0.098 R)
• M28: 30,830,027 km (0.025 R)
• M29: 31,551,537 km (0.108 R)
• M30: 33,530,418 km (0.116 R)
• M31: 37,461,102 km (0.06 R)
• M32: 44,371,476 km (0.107 R)
• M33: 46,222,900 km (0.113 R)
• M34: 48,125,037 km (0.059 R)
• M35: 49,585,561 km (0.07 R)
• M36: 52,424,629 km (0.093 R)
• M37: 53,451,918 km (0.065 R)
• M38: 61,778,086 km (0.062 R)
• M39: 64,278,764 km (0.045 R)
• M40: 66,247,622 km (0.045 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 14,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit