🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.6

Radius: 13.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.58 AU - 0.84 AU

Year: 413 Days

Day: 8.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 128 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,513,098 km

• M1: 166,652 km (0.099 R)
• M2: 656,884 km (0.07 R)
• M3: 1,075,309 km (0.058 R)
• M4: 1,643,931 km (0.096 R)
• M5: 2,139,100 km (0.088 R)
• M6: 2,643,843 km (0.077 R)
• M7: 3,116,572 km (0.104 R)
• M8: 3,657,219 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.2

Radius: 8.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.87 AU - 1.17 AU

Year: 711 Days

Day: 12.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,513,098 km

• M1: 100,979 km (0.086 R)
• M2: 466,147 km (0.119 R)
• M3: 790,326 km (0.075 R)
• M4: 1,201,420 km (0.094 R)
• M5: 1,859,502 km (0.119 R)
• M6: 2,544,959 km (0.116 R)
• M7: 3,398,714 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.4

Radius: 11.5

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.28 AU - 1.46 AU

Year: 1107 Days

Day: 7.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,513,098 km

• M1: 143,016 km (0.093 R)
• M2: 667,506 km (0.094 R)
• M3: 1,068,578 km (0.118 R)
• M4: 1,431,502 km (0.06 R)
• M5: 1,849,179 km (0.113 R)
• M6: 2,302,760 km (0.109 R)
• M7: 2,765,017 km (0.116 R)
• M8: 3,606,356 km (0.045 R)
• M9: 4,779,054 km (0.089 R)
• M10: 5,792,579 km (0.07 R)
• M11: 6,968,418 km (0.12 R)
• M12: 8,977,667 km (0.054 R)
• M13: 9,451,893 km (0.099 R)
• M14: 10,418,445 km (0.032 R)
• M15: 11,009,207 km (0.04 R)
• M16: 11,415,365 km (0.034 R)
• M17: 11,796,540 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.9

Radius: 13.3

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.22 AU - 4.36 AU

Year: 5093 Days

Day: 10.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,513,098 km

• M1: 169,644 km (0.04 R)
• M2: 645,066 km (0.11 R)
• M3: 1,147,715 km (0.093 R)
• M4: 1,606,382 km (0.086 R)
• M5: 2,137,754 km (0.112 R)
• M6: 2,664,188 km (0.1 R)
• M7: 3,225,330 km (0.103 R)
• M8: 4,062,629 km (0.073 R)
• M9: 4,522,344 km (0.116 R)
• M10: 6,386,034 km (0.097 R)
• M11: 6,865,046 km (0.09 R)
• M12: 9,814,668 km (0.106 R)
• M13: 10,686,823 km (0.086 R)
• M14: 11,121,854 km (0.113 R)
• M15: 11,817,484 km (0.106 R)
• M16: 12,455,220 km (0.06 R)
• M17: 14,316,217 km (0.107 R)
• M18: 14,845,644 km (0.044 R)
• M19: 18,811,035 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.1

Radius: 4.7

Gravity: 21.82 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.4 AU - 6.26 AU

Year: 9717 Days

Day: 18.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 45,513,098 km

• M1: 65,823 km (0.094 R)
• M2: 242,648 km (0.071 R)
• M3: 614,548 km (0.108 R)
• M4: 927,058 km (0.099 R)
• M5: 1,895,704 km (0.082 R)
• M6: 2,139,998 km (0.101 R)
• M7: 2,536,133 km (0.076 R)
• M8: 2,853,729 km (0.113 R)
• M9: 3,544,123 km (0.091 R)
• M10: 3,992,917 km (0.119 R)
• M11: 4,478,511 km (0.111 R)
• M12: 4,794,163 km (0.116 R)
• M13: 5,002,702 km (0.083 R)
• M14: 5,763,707 km (0.108 R)
• M15: 6,347,587 km (0.106 R)
• M16: 7,007,763 km (0.098 R)
• M17: 7,276,440 km (0.088 R)
• M18: 8,165,949 km (0.109 R)
• M19: 8,593,350 km (0.087 R)
• M20: 8,990,533 km (0.072 R)
• M21: 11,007,860 km (0.106 R)
• M22: 11,423,593 km (0.028 R)
• M23: 12,341,824 km (0.116 R)
• M24: 14,201,775 km (0.104 R)
• M25: 14,944,827 km (0.035 R)
• M26: 16,441,105 km (0.085 R)
• M27: 17,609,165 km (0.119 R)
• M28: 18,611,920 km (0.117 R)
• M29: 19,426,031 km (0.059 R)
• M30: 20,887,603 km (0.108 R)
• M31: 21,045,578 km (0.066 R)
• M32: 30,406,515 km (0.109 R)
• M33: 32,689,379 km (0.096 R)
• M34: 33,872,698 km (0.092 R)
• M35: 34,640,285 km (0.078 R)
• M36: 35,419,390 km (0.06 R)
• M37: 36,897,417 km (0.079 R)
• M38: 38,297,653 km (0.079 R)
• M39: 39,010,936 km (0.053 R)
• M40: 39,854,219 km (0.117 R)

Asteroid Belt

Center: 8.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.7

Radius: 5.3

Gravity: 26.33 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.74 AU - 11.64 AU

Year: 22453 Days

Day: 24.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 45,513,098 km

• M1: 66,870 km (0.08 R)
• M2: 268,678 km (0.085 R)
• M3: 525,238 km (0.118 R)
• M4: 770,728 km (0.072 R)
• M5: 1,173,446 km (0.075 R)
• M6: 2,674,361 km (0.101 R)
• M7: 3,709,429 km (0.027 R)
• M8: 4,874,048 km (0.095 R)
• M9: 5,180,125 km (0.089 R)
• M10: 5,788,241 km (0.063 R)
• M11: 6,858,763 km (0.117 R)
• M12: 7,341,366 km (0.072 R)
• M13: 9,618,694 km (0.108 R)
• M14: 10,472,001 km (0.083 R)
• M15: 11,574,387 km (0.109 R)
• M16: 11,776,644 km (0.064 R)
• M17: 15,587,350 km (0.088 R)
• M18: 17,458,371 km (0.101 R)
• M19: 19,002,819 km (0.084 R)
• M20: 19,284,512 km (0.097 R)
• M21: 20,049,256 km (0.08 R)
• M22: 22,152,901 km (0.115 R)
• M23: 23,742,678 km (0.047 R)
• M24: 24,289,009 km (0.077 R)
• M25: 30,863,387 km (0.054 R)
• M26: 32,708,078 km (0.111 R)
• M27: 33,657,576 km (0.081 R)
• M28: 34,485,750 km (0.038 R)
• M29: 35,186,317 km (0.062 R)
• M30: 35,611,175 km (0.083 R)
• M31: 38,083,429 km (0.102 R)
• M32: 44,511,799 km (0.12 R)
• M33: 45,845,015 km (0.069 R)
• M34: 49,826,264 km (0.102 R)
• M35: 51,626,824 km (0.045 R)
• M36: 55,931,801 km (0.105 R)
• M37: 63,558,301 km (0.093 R)
• M38: 67,401,021 km (0.103 R)
• M39: 70,719,252 km (0.078 R)
• M40: 82,564,262 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.1

Radius: 6.9

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.81 AU - 11.01 AU

Year: 23184 Days

Day: 21.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,513,098 km

• M1: 86,617 km (0.116 R)
• M2: 364,271 km (0.11 R)
• M3: 1,193,791 km (0.12 R)
• M4: 3,356,228 km (0.07 R)
• M5: 3,748,175 km (0.066 R)
• M6: 5,204,510 km (0.041 R)
• M7: 7,851,794 km (0.119 R)
• M8: 9,087,472 km (0.096 R)
• M9: 13,687,607 km (0.083 R)
• M10: 14,496,034 km (0.076 R)
• M11: 17,976,578 km (0.118 R)
• M12: 33,092,096 km (0.072 R)
• M13: 45,513,058 km (0.073 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 19,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit