🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.4

Radius: 8.8

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.55 AU - 0.91 AU

Year: 423 Days

Day: 12.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,944,024 km

• M1: 109,506 km (0.065 R)
• M2: 451,486 km (0.107 R)
• M3: 1,084,285 km (0.119 R)
• M4: 1,557,763 km (0.07 R)
• M5: 2,155,556 km (0.08 R)
• M6: 2,594,625 km (0.078 R)
• M7: 3,103,408 km (0.107 R)
• M8: 3,542,627 km (0.105 R)
• M9: 4,348,062 km (0.092 R)
• M10: 4,676,130 km (0.093 R)
• M11: 4,974,877 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.9

Radius: 8.3

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.78 AU - 1.12 AU

Year: 628 Days

Day: 10.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,944,024 km

• M1: 103,671 km (0.105 R)
• M2: 403,465 km (0.05 R)
• M3: 718,967 km (0.117 R)
• M4: 1,520,812 km (0.087 R)
• M5: 1,800,710 km (0.076 R)
• M6: 2,427,525 km (0.106 R)
• M7: 3,262,580 km (0.041 R)
• M8: 3,958,060 km (0.069 R)
• M9: 5,109,366 km (0.113 R)
• M10: 6,227,610 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87

Radius: 8

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.47 AU - 1.63 AU

Year: 1309 Days

Day: 13.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,944,024 km

• M1: 99,483 km (0.096 R)
• M2: 372,947 km (0.106 R)
• M3: 717,920 km (0.109 R)
• M4: 1,605,933 km (0.076 R)
• M5: 2,107,236 km (0.107 R)
• M6: 2,516,236 km (0.1 R)
• M7: 2,900,553 km (0.117 R)
• M8: 4,750,780 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.1

Radius: 5.1

Gravity: 19.69 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.39 AU - 7.51 AU

Year: 13792 Days

Day: 18 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 89,944,024 km

• M1: 66,571 km (0.059 R)
• M2: 356,941 km (0.067 R)
• M3: 540,946 km (0.107 R)
• M4: 1,088,175 km (0.08 R)
• M5: 1,844,243 km (0.052 R)
• M6: 2,069,387 km (0.117 R)
• M7: 2,513,095 km (0.057 R)
• M8: 4,807,776 km (0.035 R)
• M9: 5,906,573 km (0.059 R)
• M10: 7,079,869 km (0.09 R)
• M11: 9,118,888 km (0.105 R)
• M12: 12,956,821 km (0.097 R)
• M13: 16,111,541 km (0.099 R)
• M14: 17,444,159 km (0.049 R)
• M15: 18,215,336 km (0.046 R)
• M16: 19,908,485 km (0.103 R)
• M17: 20,580,179 km (0.117 R)
• M18: 20,750,421 km (0.079 R)
• M19: 24,451,473 km (0.07 R)
• M20: 24,642,509 km (0.106 R)
• M21: 26,107,072 km (0.047 R)
• M22: 27,422,636 km (0.084 R)
• M23: 30,075,306 km (0.081 R)
• M24: 31,860,008 km (0.079 R)
• M25: 32,431,771 km (0.052 R)
• M26: 36,503,376 km (0.097 R)
• M27: 37,890,149 km (0.1 R)
• M28: 38,403,120 km (0.101 R)
• M29: 42,674,139 km (0.103 R)
• M30: 47,994,737 km (0.118 R)
• M31: 48,294,232 km (0.055 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.2

Radius: 3.6

Gravity: 34.74 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.36 AU - 10.94 AU

Year: 18773 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,944,024 km

• M1: 45,029 km (0.082 R)
• M2: 204,201 km (0.097 R)
• M3: 1,264,700 km (0.105 R)
• M4: 1,421,180 km (0.076 R)
• M5: 1,842,896 km (0.083 R)
• M6: 2,220,332 km (0.098 R)
• M7: 6,213,398 km (0.041 R)
• M8: 7,455,210 km (0.08 R)
• M9: 8,402,164 km (0.096 R)
• M10: 10,588,687 km (0.111 R)
• M11: 14,009,242 km (0.12 R)
• M12: 15,591,389 km (0.12 R)
• M13: 18,181,976 km (0.117 R)
• M14: 21,596,397 km (0.102 R)
• M15: 23,404,736 km (0.094 R)
• M16: 24,295,442 km (0.115 R)
• M17: 40,777,687 km (0.085 R)
• M18: 40,919,506 km (0.083 R)
• M19: 61,536,785 km (0.079 R)
• M20: 62,285,223 km (0.118 R)

Asteroid Belt

Center: 9.62 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.4

Radius: 7.9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.28 AU - 11.9 AU

Year: 21738 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,944,024 km

• M1: 100,380 km (0.071 R)
• M2: 460,462 km (0.111 R)
• M3: 805,734 km (0.053 R)
• M4: 1,320,650 km (0.05 R)
• M5: 1,775,128 km (0.057 R)
• M6: 2,311,138 km (0.06 R)
• M7: 2,775,340 km (0.096 R)
• M8: 3,228,172 km (0.04 R)
• M9: 4,607,614 km (0.081 R)
• M10: 5,243,405 km (0.049 R)
• M11: 9,826,635 km (0.112 R)
• M12: 11,262,476 km (0.071 R)
• M13: 12,412,584 km (0.112 R)
• M14: 15,420,399 km (0.089 R)
• M15: 15,766,419 km (0.062 R)
• M16: 16,188,584 km (0.08 R)
• M17: 22,561,902 km (0.113 R)
• M18: 30,754,779 km (0.095 R)
• M19: 32,194,958 km (0.068 R)
• M20: 33,563,928 km (0.029 R)
• M21: 35,329,033 km (0.09 R)
• M22: 37,902,865 km (0.041 R)
• M23: 41,392,384 km (0.112 R)
• M24: 45,372,735 km (0.09 R)
• M25: 50,052,755 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.9

Radius: 6.5

Gravity: 19.17 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 9.25 AU - 12.09 AU

Year: 23639 Days

Day: 22.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,944,024 km

• M1: 80,932 km (0.085 R)
• M2: 596,297 km (0.074 R)
• M3: 1,011,880 km (0.101 R)
• M4: 1,402,330 km (0.052 R)
• M5: 1,660,237 km (0.074 R)
• M6: 4,000,097 km (0.117 R)
• M7: 4,238,706 km (0.114 R)
• M8: 4,450,686 km (0.097 R)
• M9: 6,319,762 km (0.101 R)
• M10: 7,275,543 km (0.088 R)
• M11: 7,840,574 km (0.101 R)
• M12: 9,351,213 km (0.117 R)
• M13: 10,848,538 km (0.088 R)
• M14: 12,643,563 km (0.111 R)
• M15: 16,986,988 km (0.103 R)
• M16: 17,343,629 km (0.045 R)
• M17: 17,979,420 km (0.09 R)
• M18: 19,882,155 km (0.048 R)
• M19: 26,507,696 km (0.081 R)
• M20: 27,964,330 km (0.089 R)
• M21: 32,653,326 km (0.085 R)
• M22: 36,495,597 km (0.06 R)
• M23: 41,910,741 km (0.097 R)
• M24: 42,725,601 km (0.105 R)
• M25: 43,717,285 km (0.092 R)
• M26: 48,014,933 km (0.045 R)
• M27: 48,548,847 km (0.086 R)
• M28: 51,463,463 km (0.066 R)
• M29: 52,397,701 km (0.096 R)
• M30: 54,492,670 km (0.106 R)
• M31: 56,445,072 km (0.109 R)
• M32: 60,488,852 km (0.102 R)
• M33: 61,738,592 km (0.12 R)
• M34: 64,074,414 km (0.058 R)
• M35: 64,505,255 km (0.069 R)
• M36: 77,370,822 km (0.1 R)
• M37: 77,614,966 km (0.113 R)
• M38: 81,337,858 km (0.062 R)
• M39: 82,096,469 km (0.05 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 12,906 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit