🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.7

Radius: 12.6

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.18 AU - 1.32 AU

Year: 932 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,382,541 km

• M1: 157,527 km (0.095 R)
• M2: 619,784 km (0.103 R)
• M3: 1,040,304 km (0.093 R)
• M4: 1,474,586 km (0.116 R)
• M5: 2,120,999 km (0.038 R)
• M6: 2,751,703 km (0.072 R)
• M7: 3,212,465 km (0.111 R)
• M8: 3,907,496 km (0.076 R)
• M9: 4,561,239 km (0.079 R)
• M10: 5,677,838 km (0.078 R)
• M11: 6,088,185 km (0.119 R)
• M12: 6,741,030 km (0.038 R)
• M13: 9,204,159 km (0.053 R)
• M14: 9,743,459 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.7

Radius: 9.3

Gravity: 11.19 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.76 AU - 2.75 AU

Year: 2251 Days

Day: 8 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,382,541 km

• M1: 115,789 km (0.089 R)
• M2: 424,858 km (0.112 R)
• M3: 839,693 km (0.111 R)
• M4: 1,218,475 km (0.117 R)
• M5: 1,699,581 km (0.079 R)
• M6: 2,104,842 km (0.097 R)
• M7: 3,425,193 km (0.103 R)
• M8: 5,803,500 km (0.104 R)
• M9: 7,256,694 km (0.047 R)
• M10: 8,067,963 km (0.085 R)
• M11: 8,973,030 km (0.088 R)
• M12: 9,722,665 km (0.112 R)
• M13: 11,387,240 km (0.089 R)
• M14: 13,143,669 km (0.105 R)
• M15: 13,460,667 km (0.054 R)
• M16: 14,157,194 km (0.062 R)
• M17: 15,622,206 km (0.049 R)
• M18: 16,443,499 km (0.105 R)
• M19: 17,293,364 km (0.096 R)
• M20: 17,619,488 km (0.071 R)
• M21: 18,228,201 km (0.115 R)
• M22: 18,793,532 km (0.109 R)
• M23: 19,254,293 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.7

Radius: 10.9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.85 AU - 3.93 AU

Year: 5116 Days

Day: 13.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,382,541 km

• M1: 135,536 km (0.066 R)
• M2: 552,914 km (0.065 R)
• M3: 1,815,370 km (0.086 R)
• M4: 2,608,089 km (0.079 R)
• M5: 3,305,515 km (0.094 R)
• M6: 4,211,928 km (0.081 R)
• M7: 6,657,554 km (0.104 R)
• M8: 7,903,405 km (0.1 R)
• M9: 8,466,043 km (0.099 R)
• M10: 12,495,461 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.1

Radius: 12.5

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.95 AU - 5.85 AU

Year: 8368 Days

Day: 9.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,382,541 km

• M1: 155,432 km (0.099 R)
• M2: 834,906 km (0.117 R)
• M3: 1,339,051 km (0.062 R)
• M4: 1,855,911 km (0.085 R)
• M5: 2,679,597 km (0.119 R)
• M6: 3,938,164 km (0.105 R)
• M7: 5,492,037 km (0.098 R)
• M8: 5,998,426 km (0.119 R)
• M9: 6,425,827 km (0.027 R)
• M10: 7,262,528 km (0.064 R)
• M11: 9,060,245 km (0.085 R)
• M12: 9,720,720 km (0.115 R)
• M13: 10,463,922 km (0.044 R)
• M14: 12,175,771 km (0.072 R)
• M15: 14,569,337 km (0.107 R)
• M16: 17,475,724 km (0.062 R)
• M17: 18,875,511 km (0.061 R)
• M18: 19,332,682 km (0.112 R)
• M19: 20,428,188 km (0.062 R)
• M20: 21,730,587 km (0.056 R)
• M21: 22,148,713 km (0.085 R)
• M22: 22,657,495 km (0.061 R)
• M23: 23,260,973 km (0.12 R)
• M24: 23,786,660 km (0.113 R)
• M25: 28,681,353 km (0.035 R)
• M26: 29,286,027 km (0.086 R)
• M27: 31,151,513 km (0.105 R)
• M28: 32,656,318 km (0.095 R)
• M29: 34,321,791 km (0.042 R)
• M30: 35,578,562 km (0.041 R)
• M31: 41,041,129 km (0.101 R)
• M32: 42,067,520 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.5

Radius: 7.2

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.37 AU - 8.87 AU

Year: 16877 Days

Day: 16.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,382,541 km

• M1: 89,759 km (0.102 R)
• M2: 1,721,572 km (0.077 R)
• M3: 3,524,077 km (0.026 R)
• M4: 8,410,991 km (0.102 R)
• M5: 9,632,906 km (0.045 R)
• M6: 11,536,389 km (0.104 R)
• M7: 13,356,696 km (0.094 R)
• M8: 16,070,402 km (0.107 R)
• M9: 20,372,537 km (0.117 R)
• M10: 23,631,826 km (0.098 R)
• M11: 26,544,646 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.2

Radius: 3.5

Gravity: 54.55 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.87 AU - 10.35 AU

Year: 18336 Days

Day: 18.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,382,541 km

• M1: 43,533 km (0.095 R)
• M2: 210,933 km (0.068 R)
• M3: 411,993 km (0.113 R)
• M4: 587,620 km (0.118 R)
• M5: 721,660 km (0.089 R)
• M6: 1,265,748 km (0.079 R)
• M7: 1,523,654 km (0.099 R)
• M8: 1,726,060 km (0.052 R)
• M9: 3,174,168 km (0.102 R)
• M10: 4,265,334 km (0.088 R)
• M11: 4,841,885 km (0.046 R)
• M12: 5,020,953 km (0.119 R)
• M13: 5,279,010 km (0.12 R)
• M14: 9,373,952 km (0.08 R)
• M15: 10,759,827 km (0.097 R)
• M16: 11,003,372 km (0.115 R)
• M17: 17,253,272 km (0.104 R)
• M18: 19,499,185 km (0.106 R)
• M19: 22,819,659 km (0.115 R)
• M20: 23,628,236 km (0.079 R)
• M21: 25,195,423 km (0.098 R)
• M22: 30,795,769 km (0.079 R)
• M23: 32,157,708 km (0.089 R)
• M24: 37,033,102 km (0.025 R)
• M25: 38,289,276 km (0.111 R)
• M26: 39,285,747 km (0.116 R)
• M27: 39,573,574 km (0.1 R)
• M28: 46,588,218 km (0.079 R)
• M29: 54,565,823 km (0.12 R)
• M30: 54,744,892 km (0.045 R)
• M31: 58,033,352 km (0.104 R)
• M32: 65,201,783 km (0.065 R)
• M33: 66,213,514 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193

Radius: 4.8

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 8.48 AU - 11.02 AU

Year: 20302 Days

Day: 19.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,382,541 km

• M1: 61,784 km (0.119 R)
• M2: 236,365 km (0.08 R)
• M3: 388,805 km (0.108 R)
• M4: 1,951,654 km (0.044 R)
• M5: 2,198,790 km (0.043 R)
• M6: 3,604,710 km (0.106 R)
• M7: 5,119,389 km (0.098 R)
• M8: 5,452,842 km (0.109 R)
• M9: 7,176,359 km (0.063 R)
• M10: 10,500,424 km (0.108 R)
• M11: 13,313,463 km (0.083 R)
• M12: 13,815,962 km (0.093 R)
• M13: 15,952,668 km (0.08 R)
• M14: 16,519,494 km (0.109 R)
• M15: 24,776,699 km (0.083 R)
• M16: 26,018,660 km (0.106 R)
• M17: 34,119,983 km (0.11 R)
• M18: 34,941,126 km (0.092 R)
• M19: 42,527,533 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 10,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit