🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.7

Radius: 10.6

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.44 AU - 0.6 AU

Year: 250 Days

Day: 12.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,062,511 km

• M1: 136,882 km (0.094 R)
• M2: 589,715 km (0.03 R)
• M3: 1,025,045 km (0.102 R)
• M4: 1,632,562 km (0.074 R)
• M5: 3,099,817 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.3

Radius: 9.4

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.94 AU - 0.98 AU

Year: 627 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 56.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,062,511 km

• M1: 119,230 km (0.115 R)
• M2: 422,016 km (0.059 R)
• M3: 764,894 km (0.049 R)
• M4: 1,077,254 km (0.098 R)
• M5: 1,402,330 km (0.066 R)
• M6: 1,762,263 km (0.088 R)
• M7: 2,370,677 km (0.071 R)
• M8: 2,897,561 km (0.095 R)
• M9: 3,615,631 km (0.062 R)
• M10: 4,044,678 km (0.112 R)
• M11: 4,418,074 km (0.042 R)
• M12: 4,767,535 km (0.104 R)
• M13: 5,402,278 km (0.074 R)
• M14: 5,946,216 km (0.036 R)
• M15: 6,335,171 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.2

Radius: 14

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.75 AU - 1.17 AU

Year: 627 Days

Day: 9.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,062,511 km

• M1: 174,132 km (0.103 R)
• M2: 683,064 km (0.055 R)
• M3: 1,322,744 km (0.116 R)
• M4: 2,009,698 km (0.117 R)
• M5: 2,674,062 km (0.085 R)
• M6: 3,626,701 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.5

Radius: 11.3

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.23 AU - 1.51 AU

Year: 1069 Days

Day: 5.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,062,511 km

• M1: 143,315 km (0.107 R)
• M2: 516,113 km (0.08 R)
• M3: 895,194 km (0.118 R)
• M4: 1,247,945 km (0.071 R)
• M5: 1,800,111 km (0.09 R)
• M6: 2,278,824 km (0.111 R)
• M7: 2,852,083 km (0.077 R)
• M8: 3,568,657 km (0.099 R)
• M9: 4,069,810 km (0.096 R)
• M10: 4,429,743 km (0.063 R)
• M11: 5,310,575 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.8

Radius: 11.9

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.82 AU - 2.74 AU

Year: 2296 Days

Day: 7.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,062,511 km

• M1: 155,133 km (0.081 R)
• M2: 613,052 km (0.082 R)
• M3: 1,128,566 km (0.112 R)
• M4: 1,643,931 km (0.051 R)
• M5: 2,421,690 km (0.079 R)
• M6: 2,811,094 km (0.1 R)
• M7: 3,259,438 km (0.076 R)
• M8: 3,681,604 km (0.057 R)
• M9: 4,530,272 km (0.06 R)
• M10: 6,291,039 km (0.08 R)
• M11: 6,752,848 km (0.047 R)
• M12: 8,966,148 km (0.113 R)
• M13: 9,412,100 km (0.103 R)
• M14: 9,836,808 km (0.053 R)
• M15: 10,801,265 km (0.115 R)
• M16: 13,621,784 km (0.085 R)
• M17: 14,120,244 km (0.11 R)
• M18: 15,105,645 km (0.088 R)
• M19: 17,635,794 km (0.096 R)
• M20: 18,228,201 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.7

Radius: 11.2

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.64 AU - 4.3 AU

Year: 4310 Days

Day: 10.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,062,511 km

• M1: 139,276 km (0.032 R)
• M2: 528,828 km (0.052 R)
• M3: 982,110 km (0.114 R)
• M4: 1,421,629 km (0.08 R)
• M5: 2,920,599 km (0.104 R)
• M6: 3,763,733 km (0.097 R)
• M7: 4,712,183 km (0.107 R)
• M8: 5,670,058 km (0.118 R)
• M9: 7,412,126 km (0.091 R)
• M10: 8,973,479 km (0.118 R)
• M11: 10,018,121 km (0.104 R)
• M12: 10,656,604 km (0.073 R)
• M13: 12,933,185 km (0.117 R)
• M14: 13,333,509 km (0.073 R)
• M15: 14,158,990 km (0.112 R)
• M16: 14,963,527 km (0.09 R)
• M17: 17,018,553 km (0.092 R)
• M18: 18,300,756 km (0.034 R)
• M19: 22,967,911 km (0.077 R)
• M20: 23,778,881 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.8

Radius: 11.8

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.46 AU - 5 AU

Year: 6860 Days

Day: 6.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,062,511 km

• M1: 147,653 km (0.06 R)
• M2: 550,221 km (0.115 R)
• M3: 1,039,556 km (0.054 R)
• M4: 1,497,774 km (0.104 R)
• M5: 3,668,738 km (0.091 R)
• M6: 5,359,045 km (0.045 R)
• M7: 7,192,815 km (0.083 R)
• M8: 7,786,120 km (0.069 R)
• M9: 9,490,190 km (0.109 R)
• M10: 11,518,587 km (0.105 R)
• M11: 13,573,015 km (0.101 R)
• M12: 16,026,121 km (0.046 R)
• M13: 17,444,757 km (0.057 R)
• M14: 18,456,189 km (0.054 R)
• M15: 22,966,116 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.8

Radius: 3

Gravity: 94.31 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.62 AU - 7.42 AU

Year: 9850 Days

Day: 17.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 171.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 57,062,511 km

• M1: 38,895 km (0.115 R)
• M2: 189,391 km (0.038 R)
• M3: 305,628 km (0.107 R)
• M4: 469,737 km (0.058 R)
• M5: 862,133 km (0.115 R)
• M6: 1,454,091 km (0.105 R)
• M7: 2,239,630 km (0.114 R)
• M8: 2,831,888 km (0.031 R)
• M9: 4,114,839 km (0.092 R)
• M10: 4,930,147 km (0.05 R)
• M11: 6,327,392 km (0.096 R)
• M12: 6,441,834 km (0.095 R)
• M13: 7,491,562 km (0.116 R)
• M14: 7,705,637 km (0.074 R)
• M15: 9,419,580 km (0.056 R)
• M16: 10,025,750 km (0.114 R)
• M17: 11,148,482 km (0.112 R)
• M18: 11,315,433 km (0.052 R)
• M19: 12,116,680 km (0.093 R)
• M20: 12,352,296 km (0.066 R)
• M21: 14,546,598 km (0.088 R)
• M22: 14,947,221 km (0.1 R)
• M23: 15,700,596 km (0.103 R)
• M24: 17,959,224 km (0.114 R)
• M25: 18,575,418 km (0.112 R)
• M26: 19,125,938 km (0.1 R)
• M27: 19,687,379 km (0.063 R)
• M28: 20,508,372 km (0.052 R)
• M29: 21,437,375 km (0.075 R)
• M30: 22,306,090 km (0.116 R)
• M31: 25,530,971 km (0.12 R)
• M32: 27,506,261 km (0.075 R)
• M33: 28,739,097 km (0.102 R)
• M34: 29,263,587 km (0.067 R)
• M35: 32,205,878 km (0.115 R)
• M36: 32,885,502 km (0.105 R)
• M37: 34,981,517 km (0.096 R)
• M38: 36,062,212 km (0.086 R)
• M39: 37,662,162 km (0.049 R)
• M40: 45,804,175 km (0.069 R)
• M41: 46,519,403 km (0.094 R)
• M42: 46,807,528 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.3

Radius: 5

Gravity: 31.21 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.99 AU - 7.97 AU

Year: 11000 Days

Day: 15.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,062,511 km

• M1: 62,233 km (0.05 R)
• M2: 297,251 km (0.114 R)
• M3: 584,329 km (0.098 R)
• M4: 977,173 km (0.098 R)
• M5: 1,146,219 km (0.06 R)
• M6: 1,486,404 km (0.091 R)
• M7: 2,405,833 km (0.095 R)
• M8: 3,032,199 km (0.093 R)
• M9: 3,601,718 km (0.06 R)
• M10: 3,898,072 km (0.109 R)
• M11: 4,239,604 km (0.119 R)
• M12: 4,725,797 km (0.115 R)
• M13: 5,954,743 km (0.093 R)
• M14: 6,802,664 km (0.105 R)
• M15: 8,221,301 km (0.106 R)
• M16: 15,660,653 km (0.114 R)
• M17: 18,026,394 km (0.076 R)
• M18: 22,901,938 km (0.109 R)
• M19: 23,175,702 km (0.033 R)
• M20: 26,834,118 km (0.09 R)
• M21: 27,342,452 km (0.084 R)
• M22: 29,332,702 km (0.085 R)
• M23: 29,547,674 km (0.105 R)
• M24: 33,716,518 km (0.101 R)
• M25: 41,416,918 km (0.085 R)
• M26: 43,058,157 km (0.097 R)
• M27: 43,754,684 km (0.117 R)
• M28: 48,091,975 km (0.07 R)
• M29: 48,992,405 km (0.088 R)
• M30: 50,364,218 km (0.094 R)
• M31: 50,982,057 km (0.105 R)
• M32: 51,448,802 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.4

Radius: 4

Gravity: 27.9 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.28 AU - 10.42 AU

Year: 16090 Days

Day: 24.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,062,511 km

• M1: 51,162 km (0.058 R)
• M2: 837,898 km (0.084 R)
• M3: 984,055 km (0.067 R)
• M4: 1,171,950 km (0.044 R)
• M5: 3,032,349 km (0.087 R)
• M6: 3,431,626 km (0.038 R)
• M7: 3,809,061 km (0.118 R)
• M8: 5,314,614 km (0.102 R)
• M9: 6,198,588 km (0.106 R)
• M10: 7,837,133 km (0.104 R)
• M11: 10,831,933 km (0.064 R)
• M12: 11,289,104 km (0.108 R)
• M13: 11,581,269 km (0.094 R)
• M14: 13,118,237 km (0.066 R)
• M15: 13,441,219 km (0.048 R)
• M16: 14,925,380 km (0.093 R)
• M17: 16,891,844 km (0.083 R)
• M18: 18,697,639 km (0.114 R)
• M19: 21,866,122 km (0.091 R)
• M20: 22,965,816 km (0.112 R)
• M21: 26,691,102 km (0.089 R)
• M22: 34,570,722 km (0.116 R)
• M23: 46,204,798 km (0.108 R)
• M24: 49,085,605 km (0.099 R)
• M25: 50,806,878 km (0.119 R)
• M26: 51,923,027 km (0.119 R)
• M27: 54,203,946 km (0.041 R)
• M28: 54,369,401 km (0.072 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 12,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit