🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.9

Radius: 9

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.6 AU - 0.92 AU

Year: 457 Days

Day: 12.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,871,883 km

• M1: 111,899 km (0.091 R)
• M2: 431,291 km (0.111 R)
• M3: 770,130 km (0.079 R)
• M4: 1,385,875 km (0.067 R)
• M5: 1,720,076 km (0.1 R)
• M6: 2,243,968 km (0.09 R)
• M7: 2,688,274 km (0.083 R)
• M8: 3,004,972 km (0.118 R)
• M9: 3,753,710 km (0.072 R)
• M10: 4,122,618 km (0.104 R)
• M11: 5,565,340 km (0.06 R)
• M12: 6,287,449 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.5

Radius: 12.7

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.77 AU - 0.83 AU

Year: 494 Days

Day: 11.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,871,883 km

• M1: 157,975 km (0.091 R)
• M2: 614,997 km (0.103 R)
• M3: 1,140,085 km (0.09 R)
• M4: 1,564,943 km (0.111 R)
• M5: 2,038,121 km (0.101 R)
• M6: 2,479,435 km (0.104 R)
• M7: 2,908,631 km (0.1 R)
• M8: 3,399,612 km (0.094 R)
• M9: 4,067,566 km (0.099 R)
• M10: 4,960,965 km (0.118 R)
• M11: 5,598,102 km (0.106 R)
• M12: 6,016,826 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.4

Radius: 11.7

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.81 AU - 1.09 AU

Year: 639 Days

Day: 6 Hours

Environment

Temp: -171 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,871,883 km

• M1: 145,559 km (0.097 R)
• M2: 593,305 km (0.09 R)
• M3: 1,029,981 km (0.082 R)
• M4: 1,784,852 km (0.08 R)
• M5: 2,625,742 km (0.114 R)
• M6: 3,200,796 km (0.101 R)
• M7: 3,615,631 km (0.12 R)
• M8: 4,297,947 km (0.06 R)
• M9: 5,443,418 km (0.115 R)
• M10: 6,057,816 km (0.064 R)
• M11: 7,703,542 km (0.11 R)
• M12: 8,109,102 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.7

Radius: 13.7

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.54 AU - 2.42 AU

Year: 1923 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,871,883 km

• M1: 172,038 km (0.111 R)
• M2: 668,104 km (0.111 R)
• M3: 1,094,458 km (0.106 R)
• M4: 2,053,081 km (0.107 R)
• M5: 3,797,392 km (0.042 R)
• M6: 4,612,252 km (0.112 R)
• M7: 6,201,131 km (0.077 R)
• M8: 7,219,144 km (0.11 R)
• M9: 8,221,899 km (0.057 R)
• M10: 8,692,983 km (0.081 R)
• M11: 9,315,609 km (0.041 R)
• M12: 10,251,344 km (0.1 R)
• M13: 13,959,576 km (0.091 R)
• M14: 14,586,391 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610

Radius: 11

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.16 AU - 4.34 AU

Year: 5013 Days

Day: 10.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,871,883 km

• M1: 136,732 km (0.088 R)
• M2: 617,091 km (0.119 R)
• M3: 1,068,129 km (0.111 R)
• M4: 1,652,009 km (0.12 R)
• M5: 2,439,492 km (0.108 R)
• M6: 2,793,591 km (0.08 R)
• M7: 3,221,291 km (0.102 R)
• M8: 3,822,674 km (0.102 R)
• M9: 4,448,741 km (0.082 R)
• M10: 4,799,548 km (0.088 R)
• M11: 5,964,916 km (0.037 R)
• M12: 7,693,669 km (0.087 R)
• M13: 8,539,346 km (0.026 R)
• M14: 9,943,770 km (0.12 R)
• M15: 10,459,135 km (0.116 R)
• M16: 13,933,994 km (0.054 R)
• M17: 14,579,808 km (0.103 R)
• M18: 15,471,861 km (0.114 R)
• M19: 15,931,276 km (0.04 R)
• M20: 17,549,476 km (0.076 R)
• M21: 18,302,851 km (0.118 R)
• M22: 19,077,618 km (0.086 R)
• M23: 20,900,618 km (0.04 R)
• M24: 23,659,352 km (0.12 R)
• M25: 27,984,526 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.7

Radius: 6.5

Gravity: 23.26 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.37 AU - 7.25 AU

Year: 9667 Days

Day: 15.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,871,883 km

• M1: 82,279 km (0.101 R)
• M2: 398,978 km (0.103 R)
• M3: 1,085,333 km (0.108 R)
• M4: 1,578,108 km (0.044 R)
• M5: 2,191,758 km (0.051 R)
• M6: 3,357,874 km (0.104 R)
• M7: 5,880,543 km (0.112 R)
• M8: 6,796,680 km (0.065 R)
• M9: 7,500,837 km (0.059 R)
• M10: 7,892,784 km (0.106 R)
• M11: 10,645,684 km (0.119 R)
• M12: 14,241,268 km (0.089 R)
• M13: 14,842,353 km (0.066 R)
• M14: 19,208,666 km (0.054 R)
• M15: 20,274,102 km (0.079 R)
• M16: 20,525,426 km (0.115 R)
• M17: 22,701,776 km (0.118 R)
• M18: 24,078,824 km (0.077 R)
• M19: 32,948,482 km (0.102 R)
• M20: 33,412,535 km (0.065 R)
• M21: 38,422,867 km (0.114 R)
• M22: 40,110,331 km (0.109 R)
• M23: 40,639,309 km (0.114 R)
• M24: 41,307,114 km (0.05 R)
• M25: 44,051,636 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.3

Radius: 3.3

Gravity: 68.81 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.58 AU - 6.74 AU

Year: 11864 Days

Day: 19.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 56,871,883 km

• M1: 41,289 km (0.115 R)
• M2: 165,306 km (0.107 R)
• M3: 420,370 km (0.108 R)
• M4: 606,171 km (0.102 R)
• M5: 758,760 km (0.103 R)
• M6: 1,475,334 km (0.063 R)
• M7: 1,802,804 km (0.062 R)
• M8: 2,292,438 km (0.084 R)
• M9: 2,957,700 km (0.026 R)
• M10: 3,075,882 km (0.116 R)
• M11: 3,197,206 km (0.114 R)
• M12: 4,227,037 km (0.112 R)
• M13: 4,914,739 km (0.105 R)
• M14: 6,081,453 km (0.117 R)
• M15: 7,334,484 km (0.102 R)
• M16: 11,987,427 km (0.097 R)
• M17: 13,286,236 km (0.098 R)
• M18: 14,539,417 km (0.076 R)
• M19: 19,092,877 km (0.061 R)
• M20: 20,172,525 km (0.09 R)
• M21: 22,910,166 km (0.106 R)
• M22: 23,373,770 km (0.107 R)
• M23: 24,415,569 km (0.086 R)
• M24: 26,897,548 km (0.049 R)
• M25: 28,571,249 km (0.029 R)
• M26: 31,096,909 km (0.088 R)
• M27: 31,894,116 km (0.094 R)
• M28: 36,335,528 km (0.065 R)
• M29: 38,118,136 km (0.119 R)
• M30: 39,426,519 km (0.052 R)
• M31: 40,225,671 km (0.103 R)
• M32: 40,629,286 km (0.103 R)
• M33: 40,899,908 km (0.097 R)
• M34: 41,035,743 km (0.05 R)
• M35: 41,171,728 km (0.115 R)
• M36: 43,248,595 km (0.118 R)
• M37: 45,539,836 km (0.083 R)
• M38: 49,896,575 km (0.103 R)
• M39: 51,619,044 km (0.106 R)
• M40: 55,348,220 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.2

Radius: 8

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.82 AU - 8.84 AU

Year: 18111 Days

Day: 23.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,871,883 km

• M1: 99,483 km (0.102 R)
• M2: 514,467 km (0.113 R)
• M3: 789,727 km (0.105 R)
• M4: 1,115,701 km (0.079 R)
• M5: 1,381,836 km (0.109 R)
• M6: 1,707,510 km (0.09 R)
• M7: 2,027,201 km (0.074 R)
• M8: 2,581,760 km (0.066 R)
• M9: 3,474,111 km (0.067 R)
• M10: 3,813,100 km (0.109 R)
• M11: 4,236,612 km (0.093 R)
• M12: 5,970,152 km (0.104 R)
• M13: 6,884,644 km (0.112 R)
• M14: 8,628,506 km (0.027 R)
• M15: 10,589,884 km (0.064 R)
• M16: 12,115,333 km (0.093 R)
• M17: 12,372,342 km (0.11 R)
• M18: 13,030,872 km (0.105 R)
• M19: 14,633,963 km (0.095 R)
• M20: 16,599,679 km (0.059 R)
• M21: 18,906,628 km (0.079 R)
• M22: 20,047,012 km (0.057 R)
• M23: 24,044,716 km (0.092 R)
• M24: 24,759,046 km (0.114 R)
• M25: 29,925,558 km (0.073 R)
• M26: 38,468,494 km (0.113 R)
• M27: 39,445,219 km (0.054 R)
• M28: 41,593,444 km (0.098 R)
• M29: 46,591,808 km (0.087 R)
• M30: 48,182,183 km (0.118 R)
• M31: 49,808,162 km (0.104 R)
• M32: 51,470,643 km (0.091 R)
• M33: 59,410,550 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.4

Radius: 4.8

Gravity: 13.21 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.05 AU - 9.43 AU

Year: 19387 Days

Day: 20.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,871,883 km

• M1: 59,690 km (0.075 R)
• M2: 319,541 km (0.107 R)
• M3: 600,935 km (0.105 R)
• M4: 1,093,261 km (0.09 R)
• M5: 3,128,091 km (0.118 R)
• M6: 3,614,434 km (0.084 R)
• M7: 5,168,008 km (0.051 R)
• M8: 8,140,518 km (0.092 R)
• M9: 10,090,376 km (0.115 R)
• M10: 11,259,484 km (0.082 R)
• M11: 12,828,616 km (0.073 R)
• M12: 13,469,044 km (0.082 R)
• M13: 14,333,122 km (0.113 R)
• M14: 20,136,771 km (0.063 R)
• M15: 20,307,612 km (0.112 R)
• M16: 25,097,436 km (0.081 R)
• M17: 25,594,251 km (0.1 R)
• M18: 28,497,946 km (0.111 R)
• M19: 33,016,100 km (0.103 R)
• M20: 34,949,503 km (0.11 R)
• M21: 36,069,543 km (0.117 R)
• M22: 37,470,676 km (0.117 R)
• M23: 41,062,970 km (0.053 R)
• M24: 53,204,184 km (0.112 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 11,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit