🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344

Radius: 8.2

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.54 AU - 0.54 AU

Year: 269 Days

Day: 10.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,127,611 km

• M1: 102,026 km (0.118 R)
• M2: 369,656 km (0.059 R)
• M3: 893,099 km (0.028 R)
• M4: 1,164,320 km (0.054 R)
• M5: 1,565,093 km (0.027 R)
• M6: 1,853,218 km (0.083 R)
• M7: 2,442,335 km (0.09 R)
• M8: 2,957,251 km (0.037 R)
• M9: 3,411,729 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.8

Radius: 8.3

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.92 AU - 1.34 AU

Year: 815 Days

Day: 15 Hours

Environment

Temp: -172 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,127,611 km

• M1: 104,120 km (0.09 R)
• M2: 374,593 km (0.037 R)
• M3: 700,118 km (0.117 R)
• M4: 1,042,996 km (0.116 R)
• M5: 1,481,169 km (0.068 R)
• M6: 1,960,181 km (0.053 R)
• M7: 2,348,986 km (0.068 R)
• M8: 3,093,684 km (0.064 R)
• M9: 3,506,574 km (0.111 R)
• M10: 3,786,621 km (0.114 R)
• M11: 4,129,799 km (0.065 R)
• M12: 4,666,107 km (0.106 R)
• M13: 5,655,398 km (0.105 R)
• M14: 6,555,827 km (0.04 R)
• M15: 6,823,458 km (0.087 R)
• M16: 7,404,496 km (0.033 R)
• M17: 8,612,050 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.6

Radius: 11.5

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.63 AU - 1.89 AU

Year: 1584 Days

Day: 6.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,127,611 km

• M1: 145,260 km (0.075 R)
• M2: 586,124 km (0.064 R)
• M3: 1,104,631 km (0.108 R)
• M4: 1,617,602 km (0.114 R)
• M5: 2,170,516 km (0.027 R)
• M6: 2,710,564 km (0.08 R)
• M7: 3,132,729 km (0.098 R)
• M8: 4,869,261 km (0.03 R)
• M9: 5,517,169 km (0.065 R)
• M10: 6,484,619 km (0.091 R)
• M11: 6,938,948 km (0.046 R)
• M12: 7,487,822 km (0.045 R)
• M13: 8,299,391 km (0.071 R)
• M14: 9,423,918 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.7

Radius: 11.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.26 AU - 3.04 AU

Year: 2926 Days

Day: 12.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,127,611 km

• M1: 147,952 km (0.12 R)
• M2: 842,236 km (0.053 R)
• M3: 1,232,537 km (0.118 R)
• M4: 1,640,789 km (0.107 R)
• M5: 2,039,617 km (0.112 R)
• M6: 2,503,670 km (0.066 R)
• M7: 2,893,971 km (0.062 R)
• M8: 3,419,807 km (0.087 R)
• M9: 4,116,335 km (0.085 R)
• M10: 4,966,949 km (0.087 R)
• M11: 5,544,546 km (0.1 R)
• M12: 7,605,705 km (0.069 R)
• M13: 8,170,437 km (0.079 R)
• M14: 8,915,584 km (0.075 R)
• M15: 10,472,898 km (0.049 R)
• M16: 11,865,954 km (0.077 R)
• M17: 12,587,913 km (0.106 R)
• M18: 13,138,433 km (0.11 R)
• M19: 13,622,980 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.2

Radius: 4.3

Gravity: 47.5 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.61 AU - 7.57 AU

Year: 11474 Days

Day: 18.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,127,611 km

• M1: 53,706 km (0.096 R)
• M2: 245,939 km (0.111 R)
• M3: 628,012 km (0.076 R)
• M4: 998,865 km (0.102 R)
• M5: 1,752,090 km (0.104 R)
• M6: 2,065,498 km (0.035 R)
• M7: 3,461,844 km (0.081 R)
• M8: 5,424,269 km (0.049 R)
• M9: 7,841,472 km (0.077 R)
• M10: 8,638,529 km (0.111 R)
• M11: 9,182,168 km (0.097 R)
• M12: 9,334,309 km (0.082 R)
• M13: 10,557,271 km (0.067 R)
• M14: 11,063,511 km (0.111 R)
• M15: 17,049,071 km (0.05 R)
• M16: 17,981,514 km (0.104 R)
• M17: 18,379,894 km (0.118 R)
• M18: 21,246,488 km (0.119 R)
• M19: 21,602,232 km (0.041 R)
• M20: 22,878,451 km (0.039 R)
• M21: 23,820,170 km (0.062 R)
• M22: 24,591,945 km (0.09 R)
• M23: 24,787,470 km (0.118 R)
• M24: 29,246,384 km (0.091 R)
• M25: 29,575,948 km (0.097 R)
• M26: 35,192,899 km (0.095 R)
• M27: 35,941,487 km (0.097 R)
• M28: 40,248,858 km (0.049 R)
• M29: 42,737,419 km (0.105 R)
• M30: 44,019,323 km (0.104 R)
• M31: 44,887,888 km (0.084 R)
• M32: 47,109,566 km (0.047 R)
• M33: 51,770,438 km (0.118 R)
• M34: 55,042,741 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.4

Radius: 3.2

Gravity: 20.55 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.04 AU - 8.38 AU

Year: 11789 Days

Day: 22.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,127,611 km

• M1: 39,793 km (0.076 R)
• M2: 216,917 km (0.115 R)
• M3: 484,248 km (0.115 R)
• M4: 616,792 km (0.112 R)
• M5: 856,897 km (0.065 R)
• M6: 1,469,350 km (0.06 R)
• M7: 1,749,996 km (0.108 R)
• M8: 2,081,206 km (0.051 R)
• M9: 3,259,738 km (0.07 R)
• M10: 3,571,799 km (0.107 R)
• M11: 3,782,732 km (0.059 R)
• M12: 6,202,926 km (0.109 R)
• M13: 7,037,533 km (0.099 R)
• M14: 7,443,990 km (0.103 R)
• M15: 14,708,014 km (0.101 R)
• M16: 16,886,159 km (0.106 R)
• M17: 22,572,972 km (0.038 R)
• M18: 23,291,940 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.9

Radius: 7.5

Gravity: 15.54 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.39 AU - 8.75 AU

Year: 12750 Days

Day: 22 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,127,611 km

• M1: 93,349 km (0.112 R)
• M2: 552,764 km (0.097 R)
• M3: 865,274 km (0.118 R)
• M4: 1,418,786 km (0.089 R)
• M5: 2,150,021 km (0.098 R)
• M6: 2,778,032 km (0.07 R)
• M7: 3,630,890 km (0.057 R)
• M8: 4,518,903 km (0.078 R)
• M9: 6,111,971 km (0.068 R)
• M10: 6,511,247 km (0.11 R)
• M11: 10,583,900 km (0.115 R)
• M12: 13,145,314 km (0.112 R)
• M13: 14,083,592 km (0.109 R)
• M14: 15,209,765 km (0.083 R)
• M15: 15,647,339 km (0.058 R)
• M16: 17,481,409 km (0.12 R)
• M17: 17,880,835 km (0.105 R)
• M18: 18,615,061 km (0.112 R)
• M19: 20,938,466 km (0.096 R)
• M20: 22,402,880 km (0.078 R)
• M21: 22,779,417 km (0.105 R)
• M22: 24,926,296 km (0.11 R)
• M23: 29,844,027 km (0.115 R)
• M24: 34,365,024 km (0.054 R)
• M25: 39,458,682 km (0.056 R)
• M26: 43,411,357 km (0.114 R)
• M27: 51,437,283 km (0.112 R)
• M28: 51,928,413 km (0.058 R)
• M29: 54,430,736 km (0.105 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: 443 - 14,992 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit