🌌 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: 575.1

Radius: 11.1

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.49 AU - 0.61 AU

Year: 282 Days

Day: 8.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,171,085 km

• M1: 138,079 km (0.074 R)
• M2: 521,797 km (0.104 R)
• M3: 923,617 km (0.063 R)
• M4: 1,360,593 km (0.047 R)
• M5: 2,148,525 km (0.092 R)
• M6: 2,605,845 km (0.089 R)
• M7: 2,990,910 km (0.091 R)
• M8: 3,542,478 km (0.117 R)
• M9: 3,935,322 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.6

Radius: 11.3

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.78 AU - 1 AU

Year: 580 Days

Day: 7 Hours

Environment

Temp: -170 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,171,085 km

• M1: 140,472 km (0.087 R)
• M2: 581,487 km (0.115 R)
• M3: 1,331,720 km (0.082 R)
• M4: 1,708,108 km (0.06 R)
• M5: 2,283,163 km (0.11 R)
• M6: 2,728,067 km (0.078 R)
• M7: 3,451,372 km (0.032 R)
• M8: 4,407,452 km (0.099 R)
• M9: 5,119,987 km (0.099 R)
• M10: 6,220,728 km (0.11 R)
• M11: 6,669,522 km (0.118 R)
• M12: 7,249,662 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.7

Radius: 13.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.73 AU - 1.09 AU

Year: 599 Days

Day: 12.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,171,085 km

• M1: 166,652 km (0.105 R)
• M2: 626,965 km (0.07 R)
• M3: 1,149,959 km (0.047 R)
• M4: 1,596,508 km (0.119 R)
• M5: 2,216,442 km (0.056 R)
• M6: 2,694,706 km (0.117 R)
• M7: 3,278,737 km (0.09 R)
• M8: 3,740,994 km (0.109 R)
• M9: 4,291,065 km (0.071 R)
• M10: 4,862,529 km (0.09 R)
• M11: 5,449,551 km (0.101 R)
• M12: 6,991,456 km (0.119 R)

Asteroid Belt

Center: 1.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.4

Radius: 10.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.15 AU - 2.71 AU

Year: 2615 Days

Day: 14.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,171,085 km

• M1: 139,126 km (0.097 R)
• M2: 803,191 km (0.1 R)
• M3: 1,433,447 km (0.117 R)
• M4: 1,855,313 km (0.098 R)
• M5: 2,214,647 km (0.095 R)
• M6: 3,022,176 km (0.12 R)
• M7: 3,434,618 km (0.07 R)
• M8: 4,847,121 km (0.09 R)
• M9: 5,394,649 km (0.116 R)
• M10: 6,203,525 km (0.094 R)
• M11: 6,590,833 km (0.09 R)
• M12: 7,140,306 km (0.119 R)
• M13: 7,668,686 km (0.08 R)
• M14: 8,035,201 km (0.114 R)
• M15: 9,680,478 km (0.1 R)
• M16: 10,873,671 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.2

Radius: 11.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.48 AU - 3.38 AU

Year: 3462 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,171,085 km

• M1: 157,527 km (0.108 R)
• M2: 564,882 km (0.087 R)
• M3: 921,523 km (0.084 R)
• M4: 1,360,293 km (0.084 R)
• M5: 2,088,237 km (0.093 R)
• M6: 2,615,569 km (0.092 R)
• M7: 3,782,133 km (0.09 R)
• M8: 5,074,958 km (0.12 R)
• M9: 5,515,075 km (0.057 R)
• M10: 6,333,076 km (0.101 R)
• M11: 6,757,186 km (0.067 R)
• M12: 7,230,364 km (0.1 R)
• M13: 7,788,963 km (0.103 R)
• M14: 8,276,353 km (0.117 R)
• M15: 9,348,221 km (0.11 R)
• M16: 10,239,974 km (0.038 R)
• M17: 14,094,363 km (0.102 R)
• M18: 16,186,639 km (0.113 R)
• M19: 16,713,972 km (0.056 R)
• M20: 17,526,139 km (0.07 R)
• M21: 18,535,475 km (0.099 R)
• M22: 20,000,936 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.2

Radius: 11.1

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.85 AU - 4.61 AU

Year: 4972 Days

Day: 8.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,171,085 km

• M1: 138,079 km (0.103 R)
• M2: 626,516 km (0.084 R)
• M3: 1,271,133 km (0.088 R)
• M4: 1,617,153 km (0.076 R)
• M5: 1,983,069 km (0.104 R)
• M6: 2,489,608 km (0.1 R)
• M7: 2,905,789 km (0.083 R)
• M8: 3,305,365 km (0.112 R)
• M9: 4,094,045 km (0.071 R)
• M10: 5,432,796 km (0.086 R)
• M11: 6,497,185 km (0.079 R)
• M12: 8,074,545 km (0.032 R)
• M13: 8,707,045 km (0.097 R)
• M14: 9,414,942 km (0.086 R)
• M15: 9,805,093 km (0.051 R)
• M16: 10,945,777 km (0.102 R)
• M17: 11,671,476 km (0.104 R)
• M18: 13,111,505 km (0.115 R)
• M19: 15,972,415 km (0.05 R)
• M20: 16,653,534 km (0.117 R)
• M21: 18,542,506 km (0.06 R)
• M22: 19,925,688 km (0.092 R)
• M23: 21,674,936 km (0.032 R)
• M24: 22,974,493 km (0.085 R)
• M25: 25,227,138 km (0.114 R)
• M26: 30,073,660 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.6

Radius: 11

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.41 AU - 5.47 AU

Year: 7579 Days

Day: 11 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,171,085 km

• M1: 172,486 km (0.116 R)
• M2: 645,216 km (0.08 R)
• M3: 1,062,594 km (0.066 R)
• M4: 3,539,186 km (0.105 R)
• M5: 5,633,557 km (0.102 R)
• M6: 8,286,824 km (0.092 R)
• M7: 8,676,976 km (0.112 R)
• M8: 9,354,504 km (0.091 R)
• M9: 15,658,260 km (0.09 R)
• M10: 16,356,882 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.2

Radius: 7.2

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.69 AU - 7.81 AU

Year: 10785 Days

Day: 24.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,171,085 km

• M1: 125,513 km (0.103 R)
• M2: 1,313,170 km (0.113 R)
• M3: 1,665,922 km (0.094 R)
• M4: 1,979,329 km (0.119 R)
• M5: 3,496,102 km (0.11 R)
• M6: 5,197,479 km (0.06 R)
• M7: 5,460,023 km (0.078 R)
• M8: 6,907,831 km (0.091 R)
• M9: 8,105,961 km (0.041 R)
• M10: 8,962,558 km (0.057 R)
• M11: 9,928,063 km (0.078 R)
• M12: 12,064,021 km (0.093 R)
• M13: 12,998,110 km (0.107 R)
• M14: 16,577,838 km (0.053 R)
• M15: 17,511,029 km (0.073 R)
• M16: 19,091,531 km (0.094 R)
• M17: 20,036,241 km (0.081 R)
• M18: 30,829,877 km (0.041 R)
• M19: 35,183,325 km (0.051 R)
• M20: 42,257,210 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.1

Radius: 4.9

Gravity: 36.2 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.91 AU - 8.95 AU

Year: 18420 Days

Day: 16.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,171,085 km

• M1: 65,524 km (0.029 R)
• M2: 244,293 km (0.118 R)
• M3: 500,405 km (0.1 R)
• M4: 1,594,564 km (0.116 R)
• M5: 2,963,983 km (0.094 R)
• M6: 3,818,635 km (0.032 R)
• M7: 3,975,563 km (0.065 R)
• M8: 4,754,220 km (0.057 R)
• M9: 6,126,781 km (0.12 R)
• M10: 7,894,728 km (0.044 R)
• M11: 13,237,018 km (0.069 R)
• M12: 14,113,512 km (0.054 R)
• M13: 14,489,900 km (0.089 R)
• M14: 14,642,340 km (0.066 R)
• M15: 17,920,329 km (0.034 R)
• M16: 19,543,017 km (0.115 R)
• M17: 20,294,597 km (0.097 R)
• M18: 25,656,184 km (0.086 R)
• M19: 33,859,683 km (0.117 R)
• M20: 58,968,040 km (0.085 R)
• M21: 65,604,351 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.5

Radius: 7.5

Gravity: 16.81 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.16 AU - 11.14 AU

Year: 19105 Days

Day: 16.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,171,085 km

• M1: 93,349 km (0.117 R)
• M2: 525,687 km (0.094 R)
• M3: 931,995 km (0.094 R)
• M4: 1,213,837 km (0.028 R)
• M5: 3,347,851 km (0.096 R)
• M6: 3,986,933 km (0.075 R)
• M7: 5,267,790 km (0.106 R)
• M8: 6,305,550 km (0.076 R)
• M9: 7,572,644 km (0.036 R)
• M10: 12,451,629 km (0.11 R)
• M11: 13,600,541 km (0.112 R)
• M12: 15,054,782 km (0.088 R)
• M13: 17,645,368 km (0.12 R)
• M14: 26,244,254 km (0.08 R)
• M15: 28,125,447 km (0.118 R)
• M16: 28,976,060 km (0.103 R)
• M17: 33,084,167 km (0.104 R)
• M18: 36,265,815 km (0.1 R)
• M19: 36,695,310 km (0.083 R)
• M20: 51,214,233 km (0.051 R)
• M21: 52,847,542 km (0.073 R)
• M22: 62,969,933 km (0.094 R)
• M23: 63,383,122 km (0.09 R)
• M24: 73,621,899 km (0.062 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 15,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit