🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.2

Radius: 13.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.66 AU - 0.86 AU

Year: 428 Days

Day: 13.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,837,582 km

• M1: 166,652 km (0.082 R)
• M2: 598,691 km (0.112 R)
• M3: 1,447,808 km (0.079 R)
• M4: 1,935,946 km (0.07 R)
• M5: 3,394,824 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.9

Radius: 8.7

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.65 AU - 0.95 AU

Year: 462 Days

Day: 8.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,837,582 km

• M1: 108,458 km (0.104 R)
• M2: 410,646 km (0.116 R)
• M3: 776,862 km (0.096 R)
• M4: 1,101,788 km (0.096 R)
• M5: 1,430,604 km (0.063 R)
• M6: 2,147,777 km (0.053 R)
• M7: 3,120,013 km (0.108 R)
• M8: 3,535,147 km (0.098 R)
• M9: 3,933,078 km (0.101 R)
• M10: 4,834,554 km (0.112 R)
• M11: 5,244,303 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.9

Radius: 8.2

Gravity: 12.67 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.69 AU - 0.95 AU

Year: 479 Days

Day: 11.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,837,582 km

• M1: 103,223 km (0.111 R)
• M2: 514,916 km (0.115 R)
• M3: 1,272,479 km (0.085 R)
• M4: 1,691,204 km (0.093 R)
• M5: 2,687,376 km (0.056 R)
• M6: 3,020,381 km (0.063 R)
• M7: 4,260,847 km (0.078 R)
• M8: 4,922,069 km (0.085 R)
• M9: 5,336,904 km (0.099 R)
• M10: 5,739,023 km (0.102 R)
• M11: 6,011,890 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.9

Radius: 9.9

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.69 AU - 1.07 AU

Year: 533 Days

Day: 14.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,837,582 km

• M1: 123,119 km (0.112 R)
• M2: 485,445 km (0.113 R)
• M3: 867,668 km (0.106 R)
• M4: 1,307,485 km (0.066 R)
• M5: 1,701,077 km (0.116 R)
• M6: 2,391,920 km (0.094 R)
• M7: 3,199,150 km (0.062 R)
• M8: 3,679,360 km (0.1 R)
• M9: 4,134,885 km (0.071 R)
• M10: 4,737,316 km (0.106 R)
• M11: 5,176,086 km (0.087 R)
• M12: 5,536,168 km (0.096 R)
• M13: 6,383,640 km (0.096 R)
• M14: 6,777,980 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.8

Radius: 12.9

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.86 AU - 1.34 AU

Year: 745 Days

Day: 10.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,837,582 km

• M1: 160,519 km (0.076 R)
• M2: 570,417 km (0.108 R)
• M3: 1,052,421 km (0.109 R)
• M4: 1,511,836 km (0.059 R)
• M5: 2,034,531 km (0.111 R)
• M6: 3,105,801 km (0.091 R)
• M7: 3,799,038 km (0.104 R)
• M8: 4,707,097 km (0.064 R)
• M9: 5,321,495 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968

Radius: 8.5

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.82 AU - 2.92 AU

Year: 2356 Days

Day: 14.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,837,582 km

• M1: 114,742 km (0.098 R)
• M2: 573,259 km (0.111 R)
• M3: 1,018,911 km (0.06 R)
• M4: 1,412,054 km (0.105 R)
• M5: 1,774,231 km (0.07 R)
• M6: 2,279,423 km (0.091 R)
• M7: 2,893,672 km (0.063 R)
• M8: 3,161,751 km (0.105 R)
• M9: 3,632,984 km (0.081 R)
• M10: 4,192,181 km (0.075 R)
• M11: 5,137,041 km (0.116 R)
• M12: 5,431,450 km (0.074 R)
• M13: 5,737,078 km (0.083 R)
• M14: 6,327,541 km (0.113 R)
• M15: 6,609,084 km (0.102 R)
• M16: 7,047,107 km (0.054 R)
• M17: 7,535,394 km (0.096 R)
• M18: 8,751,326 km (0.116 R)
• M19: 9,315,759 km (0.115 R)
• M20: 10,169,364 km (0.047 R)
• M21: 10,714,050 km (0.085 R)
• M22: 11,074,282 km (0.11 R)
• M23: 12,998,260 km (0.1 R)
• M24: 14,592,524 km (0.091 R)
• M25: 15,185,081 km (0.077 R)
• M26: 15,793,496 km (0.073 R)
• M27: 17,222,156 km (0.086 R)
• M28: 18,108,224 km (0.046 R)
• M29: 19,791,200 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.4

Radius: 3

Gravity: 47.49 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.37 AU - 7.93 AU

Year: 11073 Days

Day: 15.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 43,837,582 km

• M1: 37,399 km (0.051 R)
• M2: 152,440 km (0.063 R)
• M3: 288,574 km (0.109 R)
• M4: 928,554 km (0.042 R)
• M5: 1,040,603 km (0.078 R)
• M6: 1,280,109 km (0.1 R)
• M7: 1,947,615 km (0.081 R)
• M8: 2,046,948 km (0.052 R)
• M9: 3,056,135 km (0.094 R)
• M10: 5,479,620 km (0.12 R)
• M11: 5,813,373 km (0.088 R)
• M12: 7,127,591 km (0.077 R)
• M13: 7,729,273 km (0.1 R)
• M14: 8,063,774 km (0.079 R)
• M15: 9,310,223 km (0.07 R)
• M16: 10,833,728 km (0.09 R)
• M17: 11,094,028 km (0.1 R)
• M18: 12,629,651 km (0.103 R)
• M19: 14,551,534 km (0.062 R)
• M20: 14,804,654 km (0.082 R)
• M21: 14,996,439 km (0.111 R)
• M22: 21,144,163 km (0.065 R)
• M23: 23,748,363 km (0.119 R)
• M24: 26,277,016 km (0.087 R)
• M25: 27,222,025 km (0.074 R)
• M26: 27,413,660 km (0.079 R)
• M27: 29,784,338 km (0.095 R)
• M28: 31,123,837 km (0.115 R)
• M29: 31,333,274 km (0.113 R)
• M30: 35,496,134 km (0.114 R)
• M31: 38,426,756 km (0.102 R)
• M32: 39,889,075 km (0.11 R)
• M33: 40,384,693 km (0.094 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: 220 - 11,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit