🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.2

Radius: 12.4

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.83 AU - 1.07 AU

Year: 617 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,518,513 km

• M1: 154,235 km (0.086 R)
• M2: 654,790 km (0.108 R)
• M3: 1,086,829 km (0.086 R)
• M4: 1,531,583 km (0.058 R)
• M5: 2,215,844 km (0.064 R)
• M6: 2,947,676 km (0.115 R)
• M7: 3,684,895 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.1

Radius: 8.4

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1 AU - 1.32 AU

Year: 833 Days

Day: 11.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,518,513 km

• M1: 104,569 km (0.065 R)
• M2: 378,483 km (0.079 R)
• M3: 715,227 km (0.112 R)
• M4: 1,094,458 km (0.101 R)
• M5: 1,385,127 km (0.115 R)
• M6: 1,796,072 km (0.09 R)
• M7: 2,276,431 km (0.031 R)
• M8: 2,839,966 km (0.059 R)
• M9: 3,252,108 km (0.114 R)
• M10: 3,576,586 km (0.105 R)
• M11: 4,165,702 km (0.086 R)
• M12: 4,499,904 km (0.058 R)
• M13: 5,096,949 km (0.112 R)
• M14: 5,387,019 km (0.103 R)
• M15: 6,080,256 km (0.076 R)
• M16: 7,690,378 km (0.119 R)
• M17: 8,121,519 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.6

Radius: 13.2

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.19 AU - 1.87 AU

Year: 1262 Days

Day: 9.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,518,513 km

• M1: 164,857 km (0.083 R)
• M2: 590,463 km (0.094 R)
• M3: 1,041,949 km (0.039 R)
• M4: 2,223,922 km (0.093 R)
• M5: 2,756,341 km (0.095 R)
• M6: 3,207,528 km (0.113 R)
• M7: 3,648,542 km (0.083 R)
• M8: 4,065,621 km (0.069 R)
• M9: 4,742,701 km (0.084 R)
• M10: 5,376,398 km (0.057 R)
• M11: 6,768,256 km (0.109 R)
• M12: 7,402,402 km (0.112 R)
• M13: 7,948,135 km (0.105 R)
• M14: 8,899,278 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.4

Radius: 13.7

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.63 AU - 1.87 AU

Year: 1544 Days

Day: 5 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,518,513 km

• M1: 172,337 km (0.081 R)
• M2: 676,182 km (0.086 R)
• M3: 1,356,553 km (0.088 R)
• M4: 2,069,687 km (0.103 R)
• M5: 2,630,529 km (0.112 R)
• M6: 3,248,667 km (0.105 R)
• M7: 4,286,727 km (0.05 R)
• M8: 5,390,310 km (0.076 R)
• M9: 6,256,183 km (0.112 R)
• M10: 6,819,120 km (0.118 R)
• M11: 7,726,880 km (0.11 R)
• M12: 8,182,854 km (0.089 R)
• M13: 8,713,777 km (0.109 R)
• M14: 9,659,983 km (0.094 R)
• M15: 10,805,155 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.7

Radius: 15

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.07 AU - 2.23 AU

Year: 2102 Days

Day: 8.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,518,513 km

• M1: 186,848 km (0.082 R)
• M2: 678,576 km (0.115 R)
• M3: 1,262,606 km (0.087 R)
• M4: 2,125,337 km (0.118 R)
• M5: 2,801,220 km (0.119 R)
• M6: 5,047,283 km (0.11 R)
• M7: 6,004,111 km (0.04 R)
• M8: 7,632,783 km (0.097 R)
• M9: 8,631,348 km (0.076 R)
• M10: 10,623,992 km (0.102 R)
• M11: 11,312,741 km (0.042 R)
• M12: 12,112,940 km (0.038 R)
• M13: 12,737,511 km (0.093 R)
• M14: 13,781,704 km (0.101 R)
• M15: 14,416,747 km (0.059 R)
• M16: 15,454,208 km (0.104 R)
• M17: 16,189,631 km (0.068 R)
• M18: 16,743,742 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.6

Radius: 9.2

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.61 AU - 5.37 AU

Year: 7433 Days

Day: 11.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 29,518,513 km

• M1: 114,592 km (0.039 R)
• M2: 1,012,179 km (0.102 R)
• M3: 1,523,505 km (0.065 R)
• M4: 1,811,630 km (0.085 R)
• M5: 2,105,291 km (0.067 R)
• M6: 3,226,976 km (0.097 R)
• M7: 3,824,320 km (0.07 R)
• M8: 6,660,995 km (0.109 R)
• M9: 7,115,922 km (0.102 R)
• M10: 9,231,535 km (0.057 R)
• M11: 9,931,354 km (0.088 R)
• M12: 10,386,580 km (0.097 R)
• M13: 11,486,274 km (0.099 R)
• M14: 11,937,012 km (0.104 R)
• M15: 12,295,748 km (0.083 R)
• M16: 13,580,794 km (0.078 R)
• M17: 15,612,034 km (0.091 R)
• M18: 17,052,362 km (0.106 R)
• M19: 17,442,214 km (0.1 R)
• M20: 18,105,232 km (0.03 R)
• M21: 22,988,106 km (0.076 R)
• M22: 24,027,662 km (0.104 R)
• M23: 24,848,356 km (0.053 R)
• M24: 26,114,403 km (0.102 R)
• M25: 26,459,226 km (0.026 R)
• M26: 29,513,416 km (0.078 R)
• M27: 30,359,541 km (0.094 R)
• M28: 31,415,702 km (0.082 R)
• M29: 32,695,063 km (0.08 R)
• M30: 33,906,657 km (0.119 R)
• M31: 34,627,120 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.8

Radius: 3.1

Gravity: 33.07 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.55 AU - 8.77 AU

Year: 12776 Days

Day: 23.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 29,518,513 km

• M1: 40,242 km (0.109 R)
• M2: 163,510 km (0.045 R)
• M3: 264,639 km (0.047 R)
• M4: 377,435 km (0.075 R)
• M5: 649,554 km (0.102 R)
• M6: 1,429,108 km (0.06 R)
• M7: 1,650,513 km (0.11 R)
• M8: 2,024,658 km (0.095 R)
• M9: 2,340,459 km (0.066 R)
• M10: 3,808,014 km (0.091 R)
• M11: 3,911,236 km (0.085 R)
• M12: 4,232,273 km (0.072 R)
• M13: 4,805,981 km (0.094 R)
• M14: 5,863,189 km (0.044 R)
• M15: 6,463,974 km (0.12 R)
• M16: 6,874,022 km (0.054 R)
• M17: 7,663,600 km (0.105 R)
• M18: 8,733,075 km (0.105 R)
• M19: 9,326,679 km (0.084 R)
• M20: 10,442,081 km (0.034 R)
• M21: 12,193,274 km (0.108 R)
• M22: 13,285,338 km (0.056 R)
• M23: 14,007,746 km (0.104 R)
• M24: 15,994,406 km (0.107 R)
• M25: 17,300,545 km (0.096 R)
• M26: 18,454,244 km (0.053 R)
• M27: 19,200,737 km (0.085 R)
• M28: 20,993,668 km (0.116 R)
• M29: 21,971,888 km (0.096 R)
• M30: 22,556,367 km (0.113 R)
• M31: 23,323,056 km (0.064 R)
• M32: 23,756,291 km (0.067 R)
• M33: 24,728,528 km (0.043 R)
• M34: 29,482,898 km (0.11 R)
• M35: 31,966,971 km (0.09 R)
• M36: 37,346,660 km (0.063 R)
• M37: 38,178,274 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.3

Radius: 3.6

Gravity: 71.4 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.45 AU - 7.77 AU

Year: 13999 Days

Day: 17.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 29,518,513 km

• M1: 44,879 km (0.106 R)
• M2: 347,815 km (0.074 R)
• M3: 582,833 km (0.097 R)
• M4: 703,260 km (0.098 R)
• M5: 938,128 km (0.093 R)
• M6: 1,422,825 km (0.06 R)
• M7: 1,546,692 km (0.111 R)
• M8: 1,780,813 km (0.098 R)
• M9: 2,765,765 km (0.119 R)
• M10: 3,188,230 km (0.081 R)
• M11: 4,036,300 km (0.098 R)
• M12: 5,461,519 km (0.105 R)
• M13: 6,083,098 km (0.064 R)
• M14: 6,452,605 km (0.08 R)
• M15: 7,888,445 km (0.105 R)
• M16: 9,469,844 km (0.117 R)
• M17: 9,854,161 km (0.114 R)
• M18: 10,363,392 km (0.041 R)
• M19: 10,771,495 km (0.11 R)
• M20: 11,434,064 km (0.102 R)
• M21: 13,584,833 km (0.039 R)
• M22: 14,144,030 km (0.075 R)
• M23: 18,075,013 km (0.101 R)
• M24: 19,268,954 km (0.094 R)
• M25: 22,482,166 km (0.045 R)
• M26: 29,944,108 km (0.042 R)
• M27: 31,490,352 km (0.098 R)
• M28: 34,999,768 km (0.06 R)
• M29: 37,660,217 km (0.104 R)
• M30: 38,622,281 km (0.086 R)
• M31: 40,167,178 km (0.084 R)
• M32: 43,379,343 km (0.078 R)
• M33: 44,588,543 km (0.109 R)
• M34: 45,820,182 km (0.071 R)
• M35: 54,731,727 km (0.117 R)
• M36: 55,787,888 km (0.095 R)
• M37: 61,650,928 km (0.065 R)
• M38: 63,564,135 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.6

Radius: 3

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.71 AU - 8.19 AU

Year: 14948 Days

Day: 22.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,518,513 km

• M1: 37,399 km (0.034 R)
• M2: 172,187 km (0.097 R)
• M3: 269,575 km (0.118 R)
• M4: 994,377 km (0.062 R)
• M5: 1,155,644 km (0.057 R)
• M6: 1,786,049 km (0.091 R)
• M7: 3,318,081 km (0.12 R)
• M8: 4,915,487 km (0.098 R)
• M9: 5,439,678 km (0.084 R)
• M10: 6,030,739 km (0.099 R)
• M11: 16,712,177 km (0.044 R)
• M12: 17,077,794 km (0.092 R)
• M13: 17,200,763 km (0.044 R)
• M14: 17,510,880 km (0.068 R)
• M15: 18,528,594 km (0.081 R)
• M16: 20,820,583 km (0.092 R)
• M17: 24,837,884 km (0.112 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 14,510 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit