🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.8

Radius: 8.6

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.49 AU - 0.53 AU

Year: 251 Days

Day: 7.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,287,882 km

• M1: 106,962 km (0.086 R)
• M2: 441,912 km (0.106 R)
• M3: 717,023 km (0.074 R)
• M4: 1,211,743 km (0.094 R)
• M5: 1,662,182 km (0.101 R)
• M6: 1,985,164 km (0.107 R)
• M7: 2,284,958 km (0.106 R)
• M8: 2,759,333 km (0.066 R)
• M9: 3,246,423 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.1

Radius: 15

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.1 AU - 1.2 AU

Year: 851 Days

Day: 6.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,287,882 km

• M1: 186,549 km (0.113 R)
• M2: 693,386 km (0.091 R)
• M3: 1,168,958 km (0.064 R)
• M4: 1,919,041 km (0.09 R)
• M5: 2,754,695 km (0.112 R)
• M6: 3,881,317 km (0.103 R)
• M7: 5,387,618 km (0.059 R)
• M8: 8,487,136 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.3

Radius: 12.7

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.61 AU - 1.69 AU

Year: 1463 Days

Day: 7.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,287,882 km

• M1: 163,361 km (0.094 R)
• M2: 1,130,062 km (0.071 R)
• M3: 1,753,137 km (0.11 R)
• M4: 2,270,746 km (0.115 R)
• M5: 3,806,219 km (0.058 R)
• M6: 5,376,248 km (0.119 R)
• M7: 7,026,462 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.2

Radius: 13.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.01 AU - 2.37 AU

Year: 2237 Days

Day: 6.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,287,882 km

• M1: 169,195 km (0.116 R)
• M2: 709,543 km (0.057 R)
• M3: 1,173,296 km (0.066 R)
• M4: 2,509,504 km (0.053 R)
• M5: 3,942,801 km (0.109 R)
• M6: 5,007,789 km (0.09 R)
• M7: 5,516,272 km (0.081 R)
• M8: 6,132,765 km (0.059 R)
• M9: 7,447,880 km (0.115 R)
• M10: 8,322,728 km (0.047 R)
• M11: 8,911,545 km (0.099 R)
• M12: 10,000,468 km (0.091 R)
• M13: 10,810,541 km (0.112 R)
• M14: 12,323,125 km (0.12 R)
• M15: 13,463,210 km (0.087 R)
• M16: 13,887,021 km (0.074 R)
• M17: 15,030,846 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.8

Radius: 12

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.79 AU - 2.81 AU

Year: 2408 Days

Day: 12.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,287,882 km

• M1: 149,299 km (0.096 R)
• M2: 557,402 km (0.092 R)
• M3: 946,356 km (0.049 R)
• M4: 1,750,445 km (0.109 R)
• M5: 2,336,420 km (0.077 R)
• M6: 2,919,253 km (0.1 R)
• M7: 4,617,787 km (0.081 R)
• M8: 5,268,538 km (0.081 R)
• M9: 6,441,834 km (0.1 R)
• M10: 8,704,801 km (0.05 R)
• M11: 9,371,559 km (0.1 R)
• M12: 10,767,905 km (0.107 R)
• M13: 12,691,734 km (0.056 R)
• M14: 13,365,822 km (0.068 R)
• M15: 13,828,528 km (0.111 R)
• M16: 14,590,879 km (0.117 R)
• M17: 15,230,858 km (0.079 R)
• M18: 15,940,850 km (0.119 R)
• M19: 16,993,271 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.8

Radius: 12

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.68 AU - 3.18 AU

Year: 3462 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,287,882 km

• M1: 149,299 km (0.058 R)
• M2: 544,387 km (0.105 R)
• M3: 1,002,156 km (0.068 R)
• M4: 1,756,279 km (0.076 R)
• M5: 2,468,814 km (0.102 R)
• M6: 2,943,039 km (0.104 R)
• M7: 3,611,741 km (0.12 R)
• M8: 4,650,699 km (0.096 R)
• M9: 6,126,781 km (0.091 R)
• M10: 6,672,514 km (0.044 R)
• M11: 8,196,767 km (0.042 R)
• M12: 8,788,875 km (0.102 R)
• M13: 9,260,557 km (0.088 R)
• M14: 9,635,000 km (0.095 R)
• M15: 10,255,084 km (0.093 R)
• M16: 10,778,527 km (0.088 R)
• M17: 12,411,088 km (0.109 R)
• M18: 12,866,913 km (0.101 R)
• M19: 14,055,468 km (0.085 R)
• M20: 16,595,341 km (0.049 R)
• M21: 20,861,573 km (0.082 R)
• M22: 21,572,013 km (0.09 R)

Asteroid Belt

Center: 5.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.8

Radius: 3.5

Gravity: 81.04 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.6 AU - 8.02 AU

Year: 15066 Days

Day: 20 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,287,882 km

• M1: 43,683 km (0.091 R)
• M2: 452,085 km (0.097 R)
• M3: 604,974 km (0.096 R)
• M4: 876,943 km (0.042 R)
• M5: 1,281,306 km (0.08 R)
• M6: 3,177,309 km (0.06 R)
• M7: 3,367,448 km (0.076 R)
• M8: 3,507,920 km (0.119 R)
• M9: 4,741,355 km (0.049 R)
• M10: 7,487,673 km (0.12 R)
• M11: 8,842,581 km (0.038 R)
• M12: 11,449,922 km (0.105 R)
• M13: 13,872,360 km (0.116 R)
• M14: 15,742,184 km (0.102 R)
• M15: 15,977,202 km (0.109 R)
• M16: 28,913,379 km (0.079 R)
• M17: 39,758,177 km (0.078 R)
• M18: 43,796,422 km (0.109 R)
• M19: 46,314,005 km (0.118 R)
• M20: 48,099,755 km (0.097 R)
• M21: 49,092,785 km (0.032 R)
• M22: 65,671,520 km (0.108 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: 421 - 13,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit