🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.3

Radius: 8.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.81 AU - 1.15 AU

Year: 617 Days

Day: 14.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,503,340 km

• M1: 106,962 km (0.109 R)
• M2: 417,528 km (0.072 R)
• M3: 912,547 km (0.106 R)
• M4: 1,378,993 km (0.03 R)
• M5: 1,879,248 km (0.088 R)
• M6: 2,180,838 km (0.102 R)
• M7: 2,552,888 km (0.1 R)
• M8: 2,882,751 km (0.114 R)
• M9: 3,229,818 km (0.096 R)
• M10: 3,815,494 km (0.085 R)
• M11: 4,344,621 km (0.107 R)
• M12: 5,104,429 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.2

Radius: 12.4

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.62 AU - 2.32 AU

Year: 1758 Days

Day: 10.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,503,340 km

• M1: 154,684 km (0.094 R)
• M2: 944,860 km (0.101 R)
• M3: 1,720,376 km (0.087 R)
• M4: 2,987,619 km (0.036 R)
• M5: 3,402,155 km (0.035 R)
• M6: 4,740,607 km (0.109 R)
• M7: 5,135,396 km (0.114 R)
• M8: 9,423,469 km (0.113 R)
• M9: 10,288,743 km (0.109 R)
• M10: 11,760,188 km (0.102 R)
• M11: 12,644,610 km (0.108 R)
• M12: 13,123,473 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.1

Radius: 10.8

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.4 AU - 2.58 AU

Year: 2498 Days

Day: 9.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,503,340 km

• M1: 134,339 km (0.082 R)
• M2: 477,516 km (0.03 R)
• M3: 985,850 km (0.028 R)
• M4: 1,686,566 km (0.117 R)
• M5: 2,389,377 km (0.109 R)
• M6: 3,730,971 km (0.081 R)
• M7: 4,309,466 km (0.058 R)
• M8: 4,720,112 km (0.089 R)
• M9: 5,133,301 km (0.074 R)
• M10: 7,698,306 km (0.12 R)
• M11: 8,045,822 km (0.086 R)
• M12: 9,542,699 km (0.12 R)
• M13: 10,018,420 km (0.115 R)
• M14: 10,357,109 km (0.061 R)
• M15: 13,393,946 km (0.037 R)
• M16: 14,462,225 km (0.05 R)
• M17: 15,787,811 km (0.075 R)
• M18: 17,624,574 km (0.058 R)
• M19: 19,599,565 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.3

Radius: 10.7

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.92 AU - 3.08 AU

Year: 2513 Days

Day: 7.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,503,340 km

• M1: 133,142 km (0.075 R)
• M2: 521,797 km (0.103 R)
• M3: 978,220 km (0.045 R)
• M4: 1,367,175 km (0.086 R)
• M5: 1,732,194 km (0.109 R)
• M6: 2,110,078 km (0.102 R)
• M7: 2,558,273 km (0.116 R)
• M8: 3,843,468 km (0.063 R)
• M9: 4,516,509 km (0.078 R)
• M10: 4,975,924 km (0.099 R)
• M11: 6,894,218 km (0.043 R)
• M12: 9,967,557 km (0.111 R)
• M13: 10,869,482 km (0.11 R)
• M14: 12,126,403 km (0.082 R)
• M15: 14,629,325 km (0.108 R)
• M16: 15,077,521 km (0.057 R)
• M17: 15,534,991 km (0.097 R)
• M18: 17,017,655 km (0.119 R)
• M19: 19,775,642 km (0.111 R)
• M20: 21,260,550 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.5

Radius: 9.3

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.58 AU - 5.62 AU

Year: 6273 Days

Day: 5.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,503,340 km

• M1: 115,789 km (0.099 R)
• M2: 414,087 km (0.075 R)
• M3: 1,148,313 km (0.037 R)
• M4: 1,586,037 km (0.109 R)
• M5: 2,819,621 km (0.101 R)
• M6: 3,183,293 km (0.1 R)
• M7: 4,682,862 km (0.1 R)
• M8: 5,619,046 km (0.044 R)
• M9: 6,780,673 km (0.089 R)
• M10: 7,436,959 km (0.06 R)
• M11: 7,976,259 km (0.119 R)
• M12: 8,582,729 km (0.104 R)
• M13: 11,121,704 km (0.088 R)
• M14: 13,327,375 km (0.08 R)
• M15: 15,071,387 km (0.083 R)
• M16: 15,437,603 km (0.12 R)
• M17: 17,626,369 km (0.054 R)
• M18: 18,033,126 km (0.117 R)
• M19: 23,251,997 km (0.098 R)
• M20: 25,250,774 km (0.09 R)
• M21: 26,204,012 km (0.117 R)
• M22: 29,207,937 km (0.047 R)
• M23: 30,451,843 km (0.093 R)
• M24: 30,841,546 km (0.088 R)
• M25: 31,333,424 km (0.09 R)
• M26: 32,636,720 km (0.1 R)
• M27: 33,044,973 km (0.069 R)
• M28: 34,924,221 km (0.118 R)
• M29: 36,107,092 km (0.041 R)
• M30: 36,873,631 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.9

Radius: 12.5

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.46 AU - 5.44 AU

Year: 7002 Days

Day: 13.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,503,340 km

• M1: 156,479 km (0.089 R)
• M2: 804,837 km (0.083 R)
• M3: 1,209,948 km (0.087 R)
• M4: 2,021,366 km (0.077 R)
• M5: 2,690,817 km (0.105 R)
• M6: 3,547,564 km (0.025 R)
• M7: 4,500,502 km (0.114 R)
• M8: 5,178,181 km (0.11 R)
• M9: 7,926,742 km (0.093 R)
• M10: 8,591,406 km (0.114 R)
• M11: 9,420,627 km (0.088 R)
• M12: 10,166,821 km (0.119 R)
• M13: 12,027,519 km (0.048 R)
• M14: 13,606,226 km (0.081 R)
• M15: 16,351,197 km (0.045 R)
• M16: 17,886,520 km (0.099 R)
• M17: 20,009,314 km (0.107 R)
• M18: 21,094,646 km (0.089 R)
• M19: 21,539,700 km (0.078 R)
• M20: 24,019,584 km (0.118 R)
• M21: 24,996,907 km (0.083 R)
• M22: 31,714,898 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.9

Radius: 11.4

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.02 AU - 5.1 AU

Year: 7237 Days

Day: 11.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,503,340 km

• M1: 146,456 km (0.062 R)
• M2: 537,206 km (0.083 R)
• M3: 1,100,442 km (0.105 R)
• M4: 2,203,277 km (0.082 R)
• M5: 3,067,355 km (0.084 R)
• M6: 3,429,382 km (0.085 R)
• M7: 4,289,121 km (0.04 R)
• M8: 5,258,814 km (0.098 R)
• M9: 6,336,966 km (0.098 R)
• M10: 9,377,692 km (0.11 R)
• M11: 10,819,666 km (0.113 R)
• M12: 12,606,613 km (0.057 R)
• M13: 13,017,558 km (0.095 R)
• M14: 16,451,278 km (0.06 R)
• M15: 17,506,541 km (0.105 R)
• M16: 23,935,659 km (0.102 R)
• M17: 25,452,283 km (0.044 R)
• M18: 26,109,765 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.2

Radius: 11.8

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.16 AU - 6.3 AU

Year: 8721 Days

Day: 12.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,503,340 km

• M1: 156,629 km (0.063 R)
• M2: 683,064 km (0.05 R)
• M3: 1,313,918 km (0.081 R)
• M4: 2,636,064 km (0.11 R)
• M5: 3,059,576 km (0.099 R)
• M6: 3,938,014 km (0.077 R)
• M7: 4,465,646 km (0.11 R)
• M8: 4,977,420 km (0.107 R)
• M9: 5,835,813 km (0.107 R)
• M10: 7,224,380 km (0.112 R)
• M11: 9,149,256 km (0.069 R)
• M12: 10,384,187 km (0.094 R)
• M13: 10,855,121 km (0.087 R)
• M14: 11,952,571 km (0.098 R)
• M15: 12,823,081 km (0.118 R)
• M16: 13,488,043 km (0.119 R)
• M17: 13,985,905 km (0.111 R)
• M18: 18,346,533 km (0.054 R)
• M19: 18,804,153 km (0.104 R)
• M20: 26,614,359 km (0.102 R)
• M21: 28,400,408 km (0.107 R)
• M22: 30,904,227 km (0.098 R)
• M23: 33,325,618 km (0.119 R)
• M24: 37,069,455 km (0.116 R)
• M25: 39,673,505 km (0.105 R)
• M26: 41,214,961 km (0.08 R)
• M27: 44,008,103 km (0.066 R)
• M28: 47,067,080 km (0.074 R)
• M29: 47,638,096 km (0.079 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 11,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit