🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.6

Radius: 15

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.7 AU - 0.72 AU

Year: 413 Days

Day: 10.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,620,197 km

• M1: 186,549 km (0.079 R)
• M2: 668,104 km (0.072 R)
• M3: 1,344,286 km (0.103 R)
• M4: 1,873,713 km (0.117 R)
• M5: 2,526,558 km (0.084 R)
• M6: 2,995,249 km (0.073 R)
• M7: 3,849,901 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.9

Radius: 14

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.71 AU - 0.85 AU

Year: 476 Days

Day: 13.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,620,197 km

• M1: 174,132 km (0.106 R)
• M2: 639,082 km (0.106 R)
• M3: 1,220,120 km (0.067 R)
• M4: 1,732,343 km (0.094 R)
• M5: 2,455,799 km (0.097 R)
• M6: 3,139,461 km (0.106 R)
• M7: 3,801,581 km (0.078 R)
• M8: 4,615,394 km (0.113 R)
• M9: 5,925,572 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.8

Radius: 9.4

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.6 AU - 1.96 AU

Year: 1639 Days

Day: 13.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,620,197 km

• M1: 116,986 km (0.08 R)
• M2: 452,234 km (0.026 R)
• M3: 866,770 km (0.104 R)
• M4: 1,530,386 km (0.109 R)
• M5: 1,870,572 km (0.107 R)
• M6: 2,238,283 km (0.108 R)
• M7: 2,539,125 km (0.052 R)
• M8: 3,006,319 km (0.071 R)
• M9: 3,690,579 km (0.092 R)
• M10: 4,026,427 km (0.087 R)
• M11: 4,531,170 km (0.047 R)
• M12: 5,138,537 km (0.118 R)
• M13: 5,866,032 km (0.108 R)
• M14: 6,301,661 km (0.053 R)
• M15: 6,660,696 km (0.077 R)
• M16: 9,663,574 km (0.098 R)
• M17: 10,141,838 km (0.108 R)
• M18: 10,535,879 km (0.119 R)
• M19: 11,601,016 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.7

Radius: 11.7

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.51 AU - 2.75 AU

Year: 2944 Days

Day: 8.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,620,197 km

• M1: 145,559 km (0.106 R)
• M2: 1,673,103 km (0.109 R)
• M3: 2,048,444 km (0.041 R)
• M4: 3,043,868 km (0.118 R)
• M5: 3,887,151 km (0.072 R)
• M6: 6,102,247 km (0.055 R)
• M7: 6,736,691 km (0.051 R)
• M8: 8,164,902 km (0.072 R)
• M9: 10,524,061 km (0.118 R)
• M10: 11,059,023 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.8

Radius: 12.8

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.42 AU - 3.52 AU

Year: 3533 Days

Day: 12.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,620,197 km

• M1: 159,172 km (0.094 R)
• M2: 609,312 km (0.067 R)
• M3: 1,118,394 km (0.099 R)
• M4: 1,678,339 km (0.042 R)
• M5: 3,677,265 km (0.043 R)
• M6: 4,543,886 km (0.119 R)
• M7: 5,064,636 km (0.079 R)
• M8: 6,934,161 km (0.084 R)
• M9: 8,184,649 km (0.079 R)
• M10: 9,149,705 km (0.11 R)
• M11: 9,659,834 km (0.107 R)
• M12: 10,189,111 km (0.077 R)
• M13: 11,802,075 km (0.1 R)
• M14: 12,219,004 km (0.117 R)
• M15: 14,348,530 km (0.102 R)
• M16: 15,309,547 km (0.082 R)
• M17: 16,889,300 km (0.05 R)
• M18: 19,523,121 km (0.089 R)
• M19: 26,057,107 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.3

Radius: 14.8

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.94 AU - 4.82 AU

Year: 5275 Days

Day: 12.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,620,197 km

• M1: 184,305 km (0.071 R)
• M2: 659,427 km (0.045 R)
• M3: 1,511,986 km (0.089 R)
• M4: 2,142,242 km (0.085 R)
• M5: 2,723,280 km (0.071 R)
• M6: 3,350,992 km (0.098 R)
• M7: 4,345,818 km (0.065 R)
• M8: 5,779,415 km (0.119 R)
• M9: 6,392,018 km (0.052 R)
• M10: 7,243,230 km (0.102 R)
• M11: 8,567,919 km (0.112 R)
• M12: 9,445,161 km (0.083 R)
• M13: 12,391,640 km (0.039 R)
• M14: 13,067,075 km (0.108 R)
• M15: 13,920,082 km (0.11 R)
• M16: 15,848,997 km (0.074 R)
• M17: 17,408,704 km (0.1 R)
• M18: 17,950,697 km (0.048 R)
• M19: 20,298,337 km (0.096 R)
• M20: 25,984,552 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.3

Radius: 9.1

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.27 AU - 4.63 AU

Year: 6480 Days

Day: 13.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,620,197 km

• M1: 114,442 km (0.069 R)
• M2: 411,843 km (0.102 R)
• M3: 853,306 km (0.058 R)
• M4: 2,144,336 km (0.09 R)
• M5: 3,087,550 km (0.105 R)
• M6: 3,484,583 km (0.118 R)
• M7: 4,989,239 km (0.113 R)
• M8: 5,424,718 km (0.098 R)
• M9: 5,738,874 km (0.047 R)
• M10: 6,186,620 km (0.059 R)
• M11: 6,561,662 km (0.087 R)
• M12: 7,152,424 km (0.085 R)
• M13: 7,460,895 km (0.101 R)
• M14: 7,994,959 km (0.071 R)
• M15: 14,986,565 km (0.117 R)
• M16: 15,664,243 km (0.091 R)
• M17: 17,020,049 km (0.108 R)
• M18: 18,516,626 km (0.1 R)
• M19: 21,484,648 km (0.096 R)
• M20: 22,638,347 km (0.096 R)
• M21: 23,081,455 km (0.099 R)
• M22: 23,832,736 km (0.099 R)
• M23: 24,291,403 km (0.053 R)
• M24: 25,305,078 km (0.067 R)
• M25: 28,005,021 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.6

Radius: 3.1

Gravity: 80.71 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.45 AU - 6.51 AU

Year: 11386 Days

Day: 23 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 89,620,197 km

• M1: 41,139 km (0.067 R)
• M2: 181,612 km (0.088 R)
• M3: 394,490 km (0.049 R)
• M4: 528,380 km (0.049 R)
• M5: 642,224 km (0.077 R)
• M6: 909,705 km (0.12 R)
• M7: 1,246,449 km (0.073 R)
• M8: 1,959,433 km (0.099 R)
• M9: 2,332,680 km (0.108 R)
• M10: 2,620,955 km (0.044 R)
• M11: 2,795,984 km (0.099 R)
• M12: 4,071,605 km (0.109 R)
• M13: 4,427,349 km (0.095 R)
• M14: 5,098,894 km (0.066 R)
• M15: 5,690,254 km (0.114 R)
• M16: 7,007,763 km (0.119 R)
• M17: 8,899,278 km (0.112 R)
• M18: 9,095,401 km (0.065 R)
• M19: 10,066,890 km (0.087 R)
• M20: 11,049,000 km (0.101 R)
• M21: 11,332,787 km (0.117 R)
• M22: 12,033,653 km (0.059 R)
• M23: 15,057,325 km (0.079 R)
• M24: 22,547,690 km (0.084 R)
• M25: 23,280,720 km (0.073 R)
• M26: 25,084,870 km (0.098 R)
• M27: 27,597,666 km (0.101 R)
• M28: 27,805,756 km (0.1 R)
• M29: 41,467,483 km (0.055 R)
• M30: 53,986,730 km (0.025 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246

Radius: 4.3

Gravity: 13.3 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.1 AU - 9.56 AU

Year: 15124 Days

Day: 21.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 89,620,197 km

• M1: 53,406 km (0.116 R)
• M2: 237,113 km (0.082 R)
• M3: 480,658 km (0.11 R)
• M4: 650,302 km (0.082 R)
• M5: 859,889 km (0.051 R)
• M6: 1,135,747 km (0.086 R)
• M7: 1,724,115 km (0.109 R)
• M8: 1,959,433 km (0.05 R)
• M9: 2,533,290 km (0.078 R)
• M10: 2,816,778 km (0.082 R)
• M11: 3,258,092 km (0.111 R)
• M12: 3,718,704 km (0.106 R)
• M13: 4,031,214 km (0.029 R)
• M14: 4,446,198 km (0.07 R)
• M15: 5,691,750 km (0.068 R)
• M16: 5,896,699 km (0.096 R)
• M17: 6,842,607 km (0.113 R)
• M18: 8,313,303 km (0.08 R)
• M19: 8,983,951 km (0.083 R)
• M20: 10,687,721 km (0.072 R)
• M21: 11,642,604 km (0.069 R)
• M22: 11,917,714 km (0.094 R)
• M23: 14,089,427 km (0.1 R)
• M24: 14,528,048 km (0.099 R)
• M25: 15,040,420 km (0.049 R)
• M26: 21,494,820 km (0.111 R)
• M27: 23,355,968 km (0.036 R)
• M28: 23,969,917 km (0.09 R)
• M29: 24,236,201 km (0.101 R)
• M30: 24,774,903 km (0.115 R)
• M31: 27,881,303 km (0.073 R)
• M32: 28,572,146 km (0.085 R)
• M33: 29,173,230 km (0.072 R)
• M34: 31,237,681 km (0.116 R)
• M35: 32,521,979 km (0.098 R)
• M36: 33,618,830 km (0.085 R)
• M37: 35,195,442 km (0.095 R)
• M38: 39,970,457 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.2

Radius: 5.2

Gravity: 35.07 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.27 AU - 10.67 AU

Year: 21730 Days

Day: 23.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,620,197 km

• M1: 64,626 km (0.116 R)
• M2: 248,183 km (0.106 R)
• M3: 569,669 km (0.053 R)
• M4: 870,510 km (0.097 R)
• M5: 1,084,734 km (0.12 R)
• M6: 1,750,145 km (0.107 R)
• M7: 2,094,520 km (0.106 R)
• M8: 3,401,407 km (0.098 R)
• M9: 4,637,833 km (0.115 R)
• M10: 5,255,373 km (0.101 R)
• M11: 5,969,853 km (0.108 R)
• M12: 7,335,083 km (0.045 R)
• M13: 10,155,601 km (0.097 R)
• M14: 10,408,421 km (0.114 R)
• M15: 12,014,355 km (0.029 R)
• M16: 13,855,456 km (0.087 R)
• M17: 16,649,794 km (0.056 R)
• M18: 23,321,710 km (0.026 R)
• M19: 25,578,244 km (0.076 R)
• M20: 26,282,551 km (0.112 R)
• M21: 26,759,170 km (0.096 R)
• M22: 34,192,389 km (0.115 R)
• M23: 41,912,985 km (0.11 R)
• M24: 43,884,535 km (0.113 R)
• M25: 44,051,636 km (0.109 R)
• M26: 45,232,711 km (0.071 R)
• M27: 52,955,253 km (0.104 R)
• M28: 53,715,359 km (0.086 R)
• M29: 62,773,810 km (0.027 R)
• M30: 66,005,722 km (0.086 R)
• M31: 66,885,806 km (0.065 R)
• M32: 69,800,422 km (0.112 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 16,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit