🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788

Radius: 10.6

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.63 AU - 0.73 AU

Year: 368 Days

Day: 9 Hours

Environment

Temp: -127 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,794,014 km

• M1: 131,796 km (0.085 R)
• M2: 473,776 km (0.072 R)
• M3: 859,739 km (0.098 R)
• M4: 1,279,959 km (0.046 R)
• M5: 1,676,843 km (0.114 R)
• M6: 2,438,146 km (0.078 R)
• M7: 3,177,160 km (0.109 R)
• M8: 3,629,693 km (0.103 R)
• M9: 4,900,078 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.8

Radius: 10.3

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.68 AU - 0.92 AU

Year: 469 Days

Day: 13.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 170.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,794,014 km

• M1: 128,804 km (0.111 R)
• M2: 476,768 km (0.118 R)
• M3: 810,970 km (0.115 R)
• M4: 1,344,137 km (0.099 R)
• M5: 1,726,060 km (0.059 R)
• M6: 2,148,375 km (0.058 R)
• M7: 2,503,221 km (0.103 R)
• M8: 2,838,470 km (0.114 R)
• M9: 3,532,455 km (0.114 R)
• M10: 3,919,913 km (0.119 R)
• M11: 4,283,885 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.5

Radius: 8.5

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.89 AU - 1.45 AU

Year: 830 Days

Day: 14.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,794,014 km

• M1: 106,065 km (0.107 R)
• M2: 425,157 km (0.108 R)
• M3: 786,885 km (0.072 R)
• M4: 1,359,396 km (0.098 R)
• M5: 1,738,178 km (0.112 R)
• M6: 2,326,696 km (0.044 R)
• M7: 6,050,187 km (0.069 R)
• M8: 6,847,693 km (0.107 R)
• M9: 7,152,274 km (0.091 R)
• M10: 7,890,091 km (0.095 R)
• M11: 8,277,400 km (0.106 R)
• M12: 8,923,663 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.3

Radius: 10.8

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.12 AU - 4.08 AU

Year: 4481 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,794,014 km

• M1: 140,772 km (0.074 R)
• M2: 813,064 km (0.118 R)
• M3: 1,730,698 km (0.113 R)
• M4: 2,207,765 km (0.101 R)
• M5: 2,581,910 km (0.031 R)
• M6: 3,566,712 km (0.116 R)
• M7: 3,967,934 km (0.037 R)
• M8: 5,154,694 km (0.113 R)
• M9: 6,263,663 km (0.071 R)
• M10: 7,070,444 km (0.094 R)
• M11: 7,628,444 km (0.079 R)
• M12: 10,286,350 km (0.096 R)
• M13: 11,036,733 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.4

Radius: 10.1

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.64 AU - 4.96 AU

Year: 5849 Days

Day: 5.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,794,014 km

• M1: 125,662 km (0.116 R)
• M2: 551,717 km (0.116 R)
• M3: 1,563,597 km (0.075 R)
• M4: 2,145,233 km (0.097 R)
• M5: 2,865,846 km (0.066 R)
• M6: 4,485,692 km (0.115 R)
• M7: 5,327,479 km (0.089 R)
• M8: 5,817,712 km (0.077 R)
• M9: 6,405,033 km (0.066 R)
• M10: 6,748,061 km (0.034 R)
• M11: 9,727,153 km (0.073 R)
• M12: 11,279,979 km (0.113 R)
• M13: 11,680,153 km (0.094 R)
• M14: 12,455,968 km (0.102 R)
• M15: 13,938,482 km (0.1 R)
• M16: 15,049,995 km (0.109 R)
• M17: 15,720,043 km (0.092 R)
• M18: 16,473,418 km (0.064 R)
• M19: 17,448,796 km (0.087 R)
• M20: 19,586,101 km (0.082 R)
• M21: 22,752,340 km (0.118 R)
• M22: 25,212,776 km (0.087 R)
• M23: 30,849,774 km (0.038 R)
• M24: 35,644,385 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.9

Radius: 9.2

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.02 AU - 5.28 AU

Year: 6578 Days

Day: 6.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,794,014 km

• M1: 114,442 km (0.116 R)
• M2: 423,362 km (0.096 R)
• M3: 748,139 km (0.076 R)
• M4: 1,122,433 km (0.11 R)
• M5: 1,557,463 km (0.048 R)
• M6: 2,640,702 km (0.047 R)
• M7: 3,331,694 km (0.097 R)
• M8: 3,919,464 km (0.088 R)
• M9: 4,238,407 km (0.11 R)
• M10: 4,790,423 km (0.048 R)
• M11: 5,723,166 km (0.026 R)
• M12: 6,167,471 km (0.093 R)
• M13: 6,566,449 km (0.036 R)
• M14: 8,579,438 km (0.1 R)
• M15: 9,204,607 km (0.065 R)
• M16: 11,559,427 km (0.059 R)
• M17: 12,013,158 km (0.09 R)
• M18: 12,374,287 km (0.054 R)
• M19: 12,902,667 km (0.104 R)
• M20: 14,871,225 km (0.097 R)
• M21: 16,206,386 km (0.065 R)
• M22: 17,096,643 km (0.119 R)
• M23: 25,938,027 km (0.041 R)
• M24: 27,243,418 km (0.096 R)
• M25: 29,515,660 km (0.092 R)
• M26: 33,308,116 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.1

Radius: 13.3

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.44 AU - 5 AU

Year: 6727 Days

Day: 6 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,794,014 km

• M1: 185,950 km (0.079 R)
• M2: 712,385 km (0.076 R)
• M3: 1,215,034 km (0.08 R)
• M4: 1,891,964 km (0.098 R)
• M5: 2,642,347 km (0.102 R)
• M6: 5,016,017 km (0.036 R)
• M7: 7,803,623 km (0.119 R)
• M8: 8,231,174 km (0.059 R)
• M9: 9,290,177 km (0.106 R)
• M10: 11,179,898 km (0.089 R)
• M11: 12,050,258 km (0.082 R)
• M12: 12,768,926 km (0.111 R)
• M13: 15,595,279 km (0.046 R)
• M14: 17,094,848 km (0.091 R)
• M15: 19,392,073 km (0.062 R)
• M16: 24,973,121 km (0.057 R)
• M17: 26,300,353 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.1

Radius: 6.9

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.76 AU - 9.46 AU

Year: 16573 Days

Day: 24.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,794,014 km

• M1: 85,869 km (0.088 R)
• M2: 654,790 km (0.104 R)
• M3: 985,551 km (0.105 R)
• M4: 1,396,496 km (0.065 R)
• M5: 2,042,310 km (0.088 R)
• M6: 6,127,978 km (0.088 R)
• M7: 6,647,830 km (0.116 R)
• M8: 10,571,483 km (0.076 R)
• M9: 11,675,515 km (0.081 R)
• M10: 17,724,057 km (0.111 R)
• M11: 25,782,295 km (0.055 R)
• M12: 26,503,806 km (0.082 R)
• M13: 28,968,880 km (0.119 R)
• M14: 29,973,729 km (0.119 R)
• M15: 37,931,288 km (0.042 R)
• M16: 38,329,218 km (0.105 R)
• M17: 41,613,191 km (0.106 R)
• M18: 46,428,447 km (0.073 R)
• M19: 52,418,047 km (0.096 R)
• M20: 52,911,869 km (0.117 R)
• M21: 54,243,440 km (0.046 R)
• M22: 59,436,431 km (0.058 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 15,679 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit