🌌 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: 603

Radius: 14.3

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.5 AU - 0.54 AU

Year: 264 Days

Day: 14.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,516,526 km

• M1: 177,872 km (0.116 R)
• M2: 627,264 km (0.051 R)
• M3: 1,202,617 km (0.089 R)
• M4: 1,703,920 km (0.113 R)
• M5: 2,410,620 km (0.099 R)
• M6: 3,139,012 km (0.098 R)
• M7: 3,674,273 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.5

Radius: 13.3

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.6 AU - 0.64 AU

Year: 343 Days

Day: 11.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 136.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,516,526 km

• M1: 165,455 km (0.12 R)
• M2: 604,226 km (0.063 R)
• M3: 1,036,414 km (0.079 R)
• M4: 1,504,805 km (0.059 R)
• M5: 1,998,029 km (0.097 R)
• M6: 2,482,876 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.8

Radius: 13

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.15 AU - 3.49 AU

Year: 3329 Days

Day: 14.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,516,526 km

• M1: 161,715 km (0.082 R)
• M2: 676,482 km (0.075 R)
• M3: 1,102,387 km (0.116 R)
• M4: 1,508,994 km (0.118 R)
• M5: 2,083,150 km (0.083 R)
• M6: 2,611,231 km (0.104 R)
• M7: 3,581,373 km (0.064 R)
• M8: 4,002,641 km (0.115 R)
• M9: 4,547,326 km (0.099 R)
• M10: 5,266,294 km (0.065 R)
• M11: 5,759,967 km (0.113 R)
• M12: 7,177,855 km (0.107 R)
• M13: 8,256,306 km (0.114 R)
• M14: 8,780,946 km (0.102 R)
• M15: 9,477,624 km (0.104 R)
• M16: 10,570,885 km (0.093 R)
• M17: 11,190,370 km (0.089 R)
• M18: 11,965,586 km (0.105 R)
• M19: 13,865,030 km (0.072 R)
• M20: 16,663,707 km (0.034 R)
• M21: 19,086,295 km (0.089 R)
• M22: 20,826,417 km (0.111 R)
• M23: 21,999,414 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 9.2

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.58 AU - 5.96 AU

Year: 7323 Days

Day: 7.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,516,526 km

• M1: 114,442 km (0.086 R)
• M2: 413,339 km (0.099 R)
• M3: 701,913 km (0.081 R)
• M4: 1,003,503 km (0.083 R)
• M5: 2,008,651 km (0.112 R)
• M6: 2,343,301 km (0.069 R)
• M7: 3,484,434 km (0.078 R)
• M8: 4,099,580 km (0.049 R)
• M9: 5,418,584 km (0.118 R)
• M10: 5,739,322 km (0.052 R)
• M11: 6,244,215 km (0.077 R)
• M12: 6,963,332 km (0.099 R)
• M13: 7,381,757 km (0.029 R)
• M14: 7,816,938 km (0.052 R)
• M15: 9,271,029 km (0.079 R)
• M16: 9,637,843 km (0.067 R)
• M17: 10,254,635 km (0.101 R)
• M18: 14,767,853 km (0.115 R)
• M19: 15,332,286 km (0.103 R)
• M20: 16,504,086 km (0.091 R)
• M21: 17,874,851 km (0.07 R)
• M22: 18,732,945 km (0.095 R)
• M23: 24,380,713 km (0.108 R)
• M24: 26,064,886 km (0.036 R)
• M25: 28,782,930 km (0.096 R)
• M26: 31,170,811 km (0.031 R)
• M27: 33,259,047 km (0.105 R)
• M28: 34,555,911 km (0.108 R)
• M29: 37,250,169 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.5

Radius: 9.1

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.94 AU - 6.07 AU

Year: 7859 Days

Day: 6.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,516,526 km

• M1: 113,246 km (0.115 R)
• M2: 446,400 km (0.117 R)
• M3: 785,239 km (0.098 R)
• M4: 1,485,058 km (0.113 R)
• M5: 2,553,636 km (0.04 R)
• M6: 3,290,704 km (0.115 R)
• M7: 3,752,962 km (0.095 R)
• M8: 7,248,017 km (0.062 R)
• M9: 9,684,817 km (0.106 R)
• M10: 11,133,672 km (0.111 R)
• M11: 15,928,433 km (0.096 R)
• M12: 18,065,588 km (0.079 R)
• M13: 19,569,945 km (0.099 R)
• M14: 20,734,414 km (0.053 R)
• M15: 25,213,824 km (0.098 R)
• M16: 28,104,204 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.7

Radius: 5.2

Gravity: 20.26 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.36 AU - 6.44 AU

Year: 10074 Days

Day: 21.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,516,526 km

• M1: 64,925 km (0.077 R)
• M2: 737,368 km (0.114 R)
• M3: 3,893,434 km (0.104 R)
• M4: 5,446,410 km (0.116 R)
• M5: 5,746,054 km (0.064 R)
• M6: 7,411,228 km (0.053 R)
• M7: 9,047,978 km (0.086 R)
• M8: 9,707,406 km (0.105 R)
• M9: 11,068,597 km (0.065 R)
• M10: 13,431,346 km (0.059 R)
• M11: 16,588,908 km (0.068 R)
• M12: 18,673,105 km (0.064 R)
• M13: 24,231,414 km (0.075 R)
• M14: 26,429,905 km (0.092 R)
• M15: 27,383,890 km (0.046 R)
• M16: 32,608,895 km (0.096 R)
• M17: 36,205,228 km (0.03 R)
• M18: 37,858,434 km (0.102 R)
• M19: 39,684,874 km (0.072 R)
• M20: 43,512,485 km (0.119 R)
• M21: 44,040,716 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.9

Radius: 6.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6 AU - 9.74 AU

Year: 15519 Days

Day: 24.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,516,526 km

• M1: 82,428 km (0.113 R)
• M2: 313,408 km (0.076 R)
• M3: 526,734 km (0.101 R)
• M4: 746,942 km (0.093 R)
• M5: 1,068,727 km (0.088 R)
• M6: 1,302,249 km (0.071 R)
• M7: 1,873,863 km (0.109 R)
• M8: 2,600,759 km (0.09 R)
• M9: 3,259,289 km (0.105 R)
• M10: 5,400,483 km (0.101 R)
• M11: 7,398,512 km (0.119 R)
• M12: 7,780,136 km (0.101 R)
• M13: 9,220,016 km (0.062 R)
• M14: 9,617,348 km (0.092 R)
• M15: 18,444,520 km (0.092 R)
• M16: 19,865,550 km (0.118 R)
• M17: 20,602,768 km (0.116 R)
• M18: 21,281,643 km (0.073 R)
• M19: 23,326,796 km (0.112 R)
• M20: 32,617,422 km (0.055 R)
• M21: 36,627,243 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.7

Radius: 3.6

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.65 AU - 8.61 AU

Year: 16295 Days

Day: 16.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,516,526 km

• M1: 45,029 km (0.119 R)
• M2: 267,032 km (0.035 R)
• M3: 488,886 km (0.086 R)
• M4: 673,490 km (0.102 R)
• M5: 824,135 km (0.068 R)
• M6: 939,923 km (0.045 R)
• M7: 1,056,460 km (0.075 R)
• M8: 1,749,697 km (0.034 R)
• M9: 2,801,220 km (0.107 R)
• M10: 3,150,531 km (0.052 R)
• M11: 4,957,225 km (0.084 R)
• M12: 6,010,992 km (0.119 R)
• M13: 6,144,134 km (0.05 R)
• M14: 9,237,070 km (0.103 R)
• M15: 12,194,770 km (0.03 R)
• M16: 14,621,995 km (0.103 R)
• M17: 15,229,213 km (0.106 R)
• M18: 15,916,465 km (0.068 R)
• M19: 16,624,213 km (0.043 R)
• M20: 17,085,274 km (0.069 R)
• M21: 18,519,768 km (0.115 R)
• M22: 18,731,149 km (0.05 R)
• M23: 20,404,551 km (0.095 R)
• M24: 23,219,983 km (0.106 R)
• M25: 23,383,494 km (0.087 R)
• M26: 23,962,138 km (0.114 R)
• M27: 29,991,381 km (0.096 R)
• M28: 30,576,010 km (0.056 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 16,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit