🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.9

Radius: 12.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.79 AU - 0.95 AU

Year: 570 Days

Day: 13.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,237,812 km

• M1: 150,495 km (0.106 R)
• M2: 527,482 km (0.105 R)
• M3: 906,114 km (0.046 R)
• M4: 1,394,252 km (0.109 R)
• M5: 1,877,603 km (0.117 R)
• M6: 2,932,717 km (0.116 R)
• M7: 3,377,920 km (0.064 R)
• M8: 3,921,110 km (0.057 R)
• M9: 4,420,168 km (0.086 R)
• M10: 4,883,622 km (0.06 R)
• M11: 5,648,367 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.7

Radius: 14.9

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.76 AU - 1.02 AU

Year: 590 Days

Day: 10.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,237,812 km

• M1: 185,352 km (0.067 R)
• M2: 731,683 km (0.115 R)
• M3: 1,208,751 km (0.077 R)
• M4: 2,186,522 km (0.048 R)
• M5: 3,004,972 km (0.078 R)
• M6: 3,750,419 km (0.112 R)
• M7: 4,865,222 km (0.069 R)
• M8: 6,690,017 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.7

Radius: 12.1

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.8 AU - 2.46 AU

Year: 2185 Days

Day: 7.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,237,812 km

• M1: 150,495 km (0.04 R)
• M2: 562,787 km (0.088 R)
• M3: 1,072,018 km (0.103 R)
• M4: 1,468,303 km (0.116 R)
• M5: 2,222,725 km (0.07 R)
• M6: 2,883,499 km (0.118 R)
• M7: 3,482,938 km (0.103 R)
• M8: 4,826,476 km (0.103 R)
• M9: 5,261,208 km (0.1 R)
• M10: 6,515,735 km (0.109 R)
• M11: 8,414,282 km (0.041 R)
• M12: 8,981,856 km (0.088 R)
• M13: 9,440,822 km (0.114 R)
• M14: 10,584,947 km (0.071 R)
• M15: 10,986,318 km (0.119 R)
• M16: 11,742,086 km (0.061 R)
• M17: 12,132,687 km (0.043 R)
• M18: 12,775,957 km (0.032 R)
• M19: 13,740,265 km (0.116 R)
• M20: 14,662,536 km (0.071 R)
• M21: 15,625,647 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.8

Radius: 13.1

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.23 AU - 2.31 AU

Year: 2404 Days

Day: 6.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,237,812 km

• M1: 163,660 km (0.079 R)
• M2: 631,004 km (0.066 R)
• M3: 1,094,159 km (0.108 R)
• M4: 1,621,192 km (0.081 R)
• M5: 2,097,512 km (0.075 R)
• M6: 2,509,055 km (0.028 R)
• M7: 2,974,903 km (0.117 R)
• M8: 4,369,455 km (0.072 R)
• M9: 4,800,446 km (0.12 R)
• M10: 5,260,160 km (0.068 R)
• M11: 5,901,636 km (0.068 R)
• M12: 6,762,572 km (0.048 R)
• M13: 7,252,954 km (0.106 R)
• M14: 8,667,252 km (0.059 R)
• M15: 9,142,674 km (0.094 R)
• M16: 9,599,845 km (0.103 R)
• M17: 10,521,966 km (0.06 R)
• M18: 11,381,556 km (0.109 R)
• M19: 12,245,184 km (0.116 R)
• M20: 12,932,138 km (0.115 R)
• M21: 13,964,662 km (0.079 R)
• M22: 14,858,360 km (0.097 R)
• M23: 18,371,815 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891

Radius: 14.4

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.07 AU - 2.47 AU

Year: 2404 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,237,812 km

• M1: 179,069 km (0.044 R)
• M2: 709,692 km (0.114 R)
• M3: 1,202,916 km (0.1 R)
• M4: 1,664,576 km (0.104 R)
• M5: 2,300,965 km (0.119 R)
• M6: 3,014,696 km (0.116 R)
• M7: 4,111,548 km (0.077 R)
• M8: 4,597,292 km (0.076 R)
• M9: 6,236,735 km (0.067 R)
• M10: 7,086,002 km (0.1 R)
• M11: 7,756,949 km (0.059 R)
• M12: 9,621,237 km (0.097 R)
• M13: 10,368,329 km (0.08 R)
• M14: 12,449,385 km (0.095 R)
• M15: 13,703,913 km (0.09 R)
• M16: 14,553,928 km (0.083 R)
• M17: 16,099,872 km (0.095 R)
• M18: 18,197,384 km (0.081 R)
• M19: 19,871,085 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.6

Radius: 11.7

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.51 AU - 3.53 AU

Year: 4642 Days

Day: 9.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,237,812 km

• M1: 145,708 km (0.087 R)
• M2: 712,086 km (0.027 R)
• M3: 1,228,049 km (0.102 R)
• M4: 1,741,768 km (0.029 R)
• M5: 2,230,055 km (0.067 R)
• M6: 2,605,397 km (0.109 R)
• M7: 3,526,620 km (0.092 R)
• M8: 4,085,518 km (0.115 R)
• M9: 7,032,147 km (0.069 R)
• M10: 7,779,089 km (0.063 R)
• M11: 9,592,215 km (0.117 R)
• M12: 12,670,192 km (0.1 R)
• M13: 14,088,679 km (0.086 R)
• M14: 14,566,494 km (0.113 R)
• M15: 15,331,089 km (0.113 R)
• M16: 23,240,777 km (0.091 R)
• M17: 24,665,099 km (0.081 R)
• M18: 26,707,409 km (0.09 R)
• M19: 27,604,547 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.3

Radius: 10.3

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.69 AU - 3.83 AU

Year: 5125 Days

Day: 5.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,237,812 km

• M1: 128,205 km (0.113 R)
• M2: 2,350,033 km (0.06 R)
• M3: 2,739,885 km (0.051 R)
• M4: 3,273,650 km (0.102 R)
• M5: 5,219,320 km (0.114 R)
• M6: 5,758,471 km (0.104 R)
• M7: 6,334,423 km (0.091 R)
• M8: 6,948,223 km (0.105 R)
• M9: 7,916,420 km (0.107 R)
• M10: 11,192,015 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331

Radius: 8.3

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.42 AU - 5.58 AU

Year: 6710 Days

Day: 11.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,237,812 km

• M1: 103,821 km (0.063 R)
• M2: 568,472 km (0.084 R)
• M3: 902,374 km (0.082 R)
• M4: 1,807,142 km (0.095 R)
• M5: 2,467,766 km (0.12 R)
• M6: 3,780,787 km (0.104 R)
• M7: 4,307,671 km (0.107 R)
• M8: 4,601,481 km (0.099 R)
• M9: 6,883,297 km (0.052 R)
• M10: 8,361,773 km (0.042 R)
• M11: 8,627,309 km (0.067 R)
• M12: 10,471,701 km (0.115 R)
• M13: 10,825,052 km (0.089 R)
• M14: 11,186,480 km (0.114 R)
• M15: 11,462,787 km (0.076 R)
• M16: 11,933,422 km (0.105 R)
• M17: 12,813,058 km (0.078 R)
• M18: 13,735,179 km (0.12 R)
• M19: 14,700,833 km (0.096 R)
• M20: 15,941,747 km (0.107 R)
• M21: 16,468,930 km (0.06 R)
• M22: 16,887,056 km (0.114 R)
• M23: 17,189,992 km (0.052 R)
• M24: 17,869,316 km (0.105 R)
• M25: 19,215,697 km (0.101 R)
• M26: 19,947,230 km (0.096 R)
• M27: 21,324,877 km (0.096 R)
• M28: 23,659,202 km (0.095 R)
• M29: 26,401,631 km (0.11 R)
• M30: 27,139,747 km (0.105 R)
• M31: 27,807,252 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.8

Radius: 4.3

Gravity: 40.88 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.56 AU - 6.56 AU

Year: 10486 Days

Day: 19.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,237,812 km

• M1: 53,556 km (0.058 R)
• M2: 215,720 km (0.082 R)
• M3: 361,279 km (0.085 R)
• M4: 582,534 km (0.105 R)
• M5: 777,311 km (0.113 R)
• M6: 1,138,889 km (0.089 R)
• M7: 1,338,003 km (0.092 R)
• M8: 2,187,270 km (0.089 R)
• M9: 2,725,075 km (0.063 R)
• M10: 3,082,913 km (0.053 R)
• M11: 3,273,201 km (0.092 R)
• M12: 3,756,552 km (0.097 R)
• M13: 4,707,247 km (0.103 R)
• M14: 5,457,929 km (0.045 R)
• M15: 6,514,090 km (0.077 R)
• M16: 6,827,946 km (0.072 R)
• M17: 8,784,088 km (0.112 R)
• M18: 10,173,254 km (0.105 R)
• M19: 10,919,897 km (0.037 R)
• M20: 11,250,807 km (0.105 R)
• M21: 12,702,056 km (0.114 R)
• M22: 12,884,117 km (0.066 R)
• M23: 19,676,458 km (0.032 R)
• M24: 22,560,406 km (0.12 R)
• M25: 23,825,555 km (0.034 R)
• M26: 24,102,760 km (0.085 R)
• M27: 27,093,521 km (0.108 R)
• M28: 31,638,454 km (0.095 R)
• M29: 37,283,230 km (0.12 R)
• M30: 41,530,463 km (0.101 R)
• M31: 44,255,388 km (0.054 R)
• M32: 45,095,530 km (0.042 R)
• M33: 50,970,089 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.7

Radius: 7.5

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.93 AU - 11.69 AU

Year: 23270 Days

Day: 21.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,237,812 km

• M1: 94,995 km (0.052 R)
• M2: 459,565 km (0.113 R)
• M3: 973,583 km (0.112 R)
• M4: 1,555,519 km (0.119 R)
• M5: 2,129,675 km (0.108 R)
• M6: 2,372,921 km (0.064 R)
• M7: 2,610,184 km (0.116 R)
• M8: 5,362,186 km (0.06 R)
• M9: 5,901,038 km (0.042 R)
• M10: 6,384,837 km (0.086 R)
• M11: 12,275,852 km (0.072 R)
• M12: 13,809,230 km (0.037 R)
• M13: 18,239,122 km (0.087 R)
• M14: 21,633,498 km (0.087 R)
• M15: 22,464,514 km (0.115 R)
• M16: 23,969,768 km (0.094 R)
• M17: 30,150,254 km (0.055 R)
• M18: 34,019,753 km (0.109 R)
• M19: 36,290,349 km (0.102 R)
• M20: 36,727,025 km (0.083 R)
• M21: 50,606,416 km (0.095 R)
• M22: 60,617,955 km (0.111 R)
• M23: 63,733,630 km (0.101 R)
• M24: 76,785,745 km (0.089 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 19,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit