🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.1

Radius: 11

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.44 AU - 0.66 AU

Year: 282 Days

Day: 7.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,948,361 km

• M1: 136,732 km (0.066 R)
• M2: 492,925 km (0.1 R)
• M3: 861,235 km (0.108 R)
• M4: 1,243,158 km (0.106 R)
• M5: 1,608,776 km (0.104 R)
• M6: 2,039,917 km (0.114 R)
• M7: 2,633,371 km (0.119 R)
• M8: 3,643,905 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.5

Radius: 10.5

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.09 AU - 1.25 AU

Year: 874 Days

Day: 6.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,948,361 km

• M1: 130,749 km (0.092 R)
• M2: 660,475 km (0.078 R)
• M3: 1,370,316 km (0.104 R)
• M4: 2,060,411 km (0.105 R)
• M5: 2,619,908 km (0.118 R)
• M6: 4,110,201 km (0.098 R)
• M7: 5,186,409 km (0.105 R)
• M8: 5,622,786 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.2

Radius: 8.7

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.19 AU - 3.05 AU

Year: 2927 Days

Day: 5.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,948,361 km

• M1: 108,309 km (0.11 R)
• M2: 442,062 km (0.09 R)
• M3: 1,041,052 km (0.032 R)
• M4: 1,329,327 km (0.093 R)
• M5: 1,841,101 km (0.111 R)
• M6: 2,283,013 km (0.063 R)
• M7: 2,671,070 km (0.062 R)
• M8: 3,326,757 km (0.096 R)
• M9: 4,045,276 km (0.051 R)
• M10: 5,917,493 km (0.079 R)
• M11: 6,428,968 km (0.084 R)
• M12: 7,509,514 km (0.099 R)
• M13: 7,821,425 km (0.08 R)
• M14: 8,672,787 km (0.097 R)
• M15: 9,051,120 km (0.119 R)
• M16: 9,440,374 km (0.108 R)
• M17: 9,804,046 km (0.046 R)
• M18: 12,747,833 km (0.115 R)
• M19: 15,123,746 km (0.078 R)
• M20: 15,571,642 km (0.113 R)
• M21: 16,285,972 km (0.093 R)
• M22: 17,128,956 km (0.101 R)
• M23: 19,016,582 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.1

Radius: 11

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.66 AU - 3.94 AU

Year: 4138 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,948,361 km

• M1: 136,732 km (0.08 R)
• M2: 486,193 km (0.089 R)
• M3: 1,214,585 km (0.077 R)
• M4: 1,558,959 km (0.119 R)
• M5: 2,108,133 km (0.081 R)
• M6: 3,142,902 km (0.067 R)
• M7: 3,840,177 km (0.089 R)
• M8: 4,217,014 km (0.092 R)
• M9: 4,809,572 km (0.106 R)
• M10: 6,464,722 km (0.077 R)
• M11: 7,305,313 km (0.104 R)
• M12: 8,787,828 km (0.041 R)
• M13: 11,270,704 km (0.069 R)
• M14: 11,761,235 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.1

Radius: 14.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3 AU - 3.74 AU

Year: 4270 Days

Day: 14.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,948,361 km

• M1: 180,415 km (0.095 R)
• M2: 704,606 km (0.108 R)
• M3: 2,864,201 km (0.12 R)
• M4: 3,491,614 km (0.08 R)
• M5: 4,256,359 km (0.117 R)
• M6: 5,051,322 km (0.054 R)
• M7: 6,458,738 km (0.1 R)
• M8: 7,103,206 km (0.11 R)
• M9: 11,401,751 km (0.118 R)
• M10: 12,737,511 km (0.119 R)
• M11: 13,858,298 km (0.057 R)
• M12: 14,659,544 km (0.083 R)
• M13: 19,730,164 km (0.103 R)
• M14: 22,951,305 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.9

Radius: 11.6

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.83 AU - 4.03 AU

Year: 5378 Days

Day: 7.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,948,361 km

• M1: 145,110 km (0.035 R)
• M2: 510,877 km (0.106 R)
• M3: 1,542,803 km (0.081 R)
• M4: 2,229,906 km (0.087 R)
• M5: 2,591,334 km (0.094 R)
• M6: 3,234,605 km (0.094 R)
• M7: 3,879,970 km (0.049 R)
• M8: 4,983,255 km (0.04 R)
• M9: 5,582,394 km (0.094 R)
• M10: 6,228,956 km (0.106 R)
• M11: 6,924,736 km (0.112 R)
• M12: 13,235,372 km (0.113 R)
• M13: 14,336,413 km (0.093 R)
• M14: 17,439,222 km (0.1 R)
• M15: 19,598,667 km (0.104 R)
• M16: 20,837,487 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.2

Radius: 13.3

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.91 AU - 5.85 AU

Year: 8614 Days

Day: 6.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,948,361 km

• M1: 165,455 km (0.115 R)
• M2: 969,544 km (0.081 R)
• M3: 1,437,336 km (0.106 R)
• M4: 4,985,648 km (0.111 R)
• M5: 7,786,569 km (0.108 R)
• M6: 15,999,193 km (0.088 R)
• M7: 17,611,110 km (0.119 R)
• M8: 20,259,890 km (0.077 R)
• M9: 21,613,452 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.1

Radius: 6.5

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.7 AU - 6.28 AU

Year: 10119 Days

Day: 22 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,948,361 km

• M1: 83,326 km (0.047 R)
• M2: 324,777 km (0.091 R)
• M3: 659,128 km (0.08 R)
• M4: 1,015,022 km (0.083 R)
• M5: 1,243,308 km (0.085 R)
• M6: 1,531,882 km (0.112 R)
• M7: 1,734,288 km (0.085 R)
• M8: 2,751,554 km (0.062 R)
• M9: 4,623,472 km (0.079 R)
• M10: 5,693,097 km (0.104 R)
• M11: 6,150,567 km (0.072 R)
• M12: 6,632,272 km (0.094 R)
• M13: 9,560,501 km (0.088 R)
• M14: 10,159,491 km (0.103 R)
• M15: 14,113,662 km (0.112 R)
• M16: 22,470,947 km (0.059 R)
• M17: 29,218,708 km (0.118 R)
• M18: 33,832,606 km (0.111 R)
• M19: 35,219,378 km (0.038 R)
• M20: 36,091,533 km (0.089 R)
• M21: 37,426,545 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.7

Radius: 6.5

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.49 AU - 9.07 AU

Year: 16446 Days

Day: 20.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,948,361 km

• M1: 80,932 km (0.056 R)
• M2: 486,941 km (0.08 R)
• M3: 721,810 km (0.108 R)
• M4: 1,335,759 km (0.084 R)
• M5: 2,391,771 km (0.112 R)
• M6: 2,687,227 km (0.108 R)
• M7: 3,464,537 km (0.091 R)
• M8: 4,942,265 km (0.058 R)
• M9: 6,304,353 km (0.075 R)
• M10: 9,793,425 km (0.101 R)
• M11: 10,167,419 km (0.051 R)
• M12: 10,795,730 km (0.118 R)
• M13: 11,500,935 km (0.104 R)
• M14: 12,129,395 km (0.095 R)
• M15: 12,891,297 km (0.056 R)
• M16: 14,510,096 km (0.105 R)
• M17: 14,812,732 km (0.118 R)
• M18: 18,355,808 km (0.119 R)
• M19: 18,781,414 km (0.109 R)
• M20: 20,625,507 km (0.118 R)
• M21: 22,587,184 km (0.046 R)
• M22: 24,074,187 km (0.072 R)
• M23: 27,888,783 km (0.08 R)
• M24: 30,876,103 km (0.056 R)
• M25: 31,176,047 km (0.086 R)
• M26: 34,497,568 km (0.119 R)
• M27: 36,132,673 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.3

Radius: 4.2

Gravity: 41.12 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.11 AU - 12.07 AU

Year: 22123 Days

Day: 23.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 68.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 82,948,361 km

• M1: 52,359 km (0.102 R)
• M2: 210,335 km (0.105 R)
• M3: 445,353 km (0.093 R)
• M4: 594,352 km (0.102 R)
• M5: 853,306 km (0.114 R)
• M6: 1,047,783 km (0.085 R)
• M7: 1,891,515 km (0.082 R)
• M8: 2,404,187 km (0.108 R)
• M9: 2,545,707 km (0.114 R)
• M10: 3,887,749 km (0.107 R)
• M11: 5,559,057 km (0.086 R)
• M12: 5,849,576 km (0.029 R)
• M13: 6,063,202 km (0.115 R)
• M14: 7,161,848 km (0.099 R)
• M15: 7,456,107 km (0.071 R)
• M16: 8,603,972 km (0.107 R)
• M17: 9,277,312 km (0.028 R)
• M18: 10,476,488 km (0.113 R)
• M19: 12,047,565 km (0.098 R)
• M20: 13,768,988 km (0.043 R)
• M21: 17,164,112 km (0.097 R)
• M22: 17,426,058 km (0.062 R)
• M23: 18,500,320 km (0.03 R)
• M24: 19,904,445 km (0.113 R)
• M25: 21,077,742 km (0.105 R)
• M26: 23,668,478 km (0.063 R)
• M27: 23,993,105 km (0.108 R)
• M28: 28,607,601 km (0.098 R)
• M29: 29,347,213 km (0.062 R)
• M30: 38,044,683 km (0.089 R)
• M31: 38,192,785 km (0.119 R)
• M32: 38,341,186 km (0.05 R)
• M33: 39,846,440 km (0.047 R)
• M34: 40,768,262 km (0.058 R)
• M35: 42,814,163 km (0.077 R)
• M36: 49,713,467 km (0.108 R)
• M37: 59,282,943 km (0.09 R)
• M38: 61,496,244 km (0.038 R)
• M39: 64,602,494 km (0.117 R)
• M40: 71,125,260 km (0.066 R)
• M41: 74,545,367 km (0.1 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 17,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit