🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.9

Radius: 9.5

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.49 AU - 0.71 AU

Year: 310 Days

Day: 12.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,962,048 km

• M1: 118,182 km (0.052 R)
• M2: 416,780 km (0.089 R)
• M3: 733,478 km (0.087 R)
• M4: 1,091,017 km (0.064 R)
• M5: 1,441,226 km (0.105 R)
• M6: 2,078,513 km (0.094 R)
• M7: 2,824,707 km (0.087 R)
• M8: 3,429,531 km (0.057 R)
• M9: 3,968,682 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.2

Radius: 9.9

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.76 AU - 0.88 AU

Year: 495 Days

Day: 10.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,962,048 km

• M1: 123,269 km (0.046 R)
• M2: 465,698 km (0.074 R)
• M3: 775,216 km (0.061 R)
• M4: 1,177,036 km (0.075 R)
• M5: 1,504,057 km (0.105 R)
• M6: 2,243,669 km (0.115 R)
• M7: 3,161,601 km (0.032 R)
• M8: 3,569,256 km (0.052 R)
• M9: 3,928,739 km (0.1 R)
• M10: 4,566,625 km (0.119 R)
• M11: 5,633,557 km (0.105 R)
• M12: 6,235,239 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.8

Radius: 13.7

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.86 AU - 1.38 AU

Year: 790 Days

Day: 12.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,962,048 km

• M1: 170,392 km (0.083 R)
• M2: 694,583 km (0.076 R)
• M3: 1,132,905 km (0.071 R)
• M4: 1,817,764 km (0.09 R)
• M5: 2,330,136 km (0.089 R)
• M6: 3,052,694 km (0.084 R)
• M7: 3,495,803 km (0.095 R)
• M8: 4,201,905 km (0.111 R)
• M9: 4,947,501 km (0.088 R)
• M10: 5,759,967 km (0.115 R)
• M11: 8,871,752 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.4

Radius: 9.2

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.95 AU - 2.53 AU

Year: 2236 Days

Day: 13.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,962,048 km

• M1: 116,088 km (0.06 R)
• M2: 512,074 km (0.065 R)
• M3: 850,763 km (0.097 R)
• M4: 1,164,919 km (0.07 R)
• M5: 1,547,440 km (0.063 R)
• M6: 3,755,206 km (0.09 R)
• M7: 4,404,610 km (0.114 R)
• M8: 4,779,054 km (0.084 R)
• M9: 5,417,537 km (0.076 R)
• M10: 6,192,454 km (0.06 R)
• M11: 7,277,936 km (0.11 R)
• M12: 7,929,734 km (0.118 R)
• M13: 8,253,464 km (0.072 R)
• M14: 8,755,664 km (0.09 R)
• M15: 9,674,494 km (0.054 R)
• M16: 10,044,599 km (0.118 R)
• M17: 10,347,386 km (0.051 R)
• M18: 10,813,084 km (0.111 R)
• M19: 13,399,631 km (0.068 R)
• M20: 16,113,785 km (0.099 R)
• M21: 16,529,368 km (0.027 R)
• M22: 18,431,954 km (0.11 R)
• M23: 19,059,068 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.5

Radius: 10

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.63 AU - 2.99 AU

Year: 3141 Days

Day: 6.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,962,048 km

• M1: 260,899 km (0.067 R)
• M2: 750,233 km (0.096 R)
• M3: 1,298,809 km (0.068 R)
• M4: 2,369,331 km (0.06 R)
• M5: 6,451,109 km (0.07 R)
• M6: 6,869,833 km (0.101 R)
• M7: 9,325,034 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.7

Radius: 6.2

Gravity: 15.5 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.7 AU - 7.72 AU

Year: 14276 Days

Day: 17.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,962,048 km

• M1: 77,043 km (0.093 R)
• M2: 468,241 km (0.104 R)
• M3: 960,718 km (0.112 R)
• M4: 1,192,145 km (0.092 R)
• M5: 1,887,776 km (0.119 R)
• M6: 5,286,041 km (0.051 R)
• M7: 5,977,183 km (0.037 R)
• M8: 6,768,107 km (0.111 R)
• M9: 7,405,693 km (0.053 R)
• M10: 8,175,673 km (0.114 R)
• M11: 23,552,090 km (0.094 R)
• M12: 27,780,325 km (0.072 R)
• M13: 31,437,544 km (0.032 R)
• M14: 32,488,020 km (0.118 R)
• M15: 55,271,476 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 955.6

Radius: 3.7

Gravity: 69.8 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.76 AU - 7.9 AU

Year: 14611 Days

Day: 18.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,962,048 km

• M1: 46,076 km (0.109 R)
• M2: 239,207 km (0.118 R)
• M3: 541,395 km (0.114 R)
• M4: 675,135 km (0.087 R)
• M5: 800,049 km (0.118 R)
• M6: 1,010,683 km (0.054 R)
• M7: 1,162,076 km (0.108 R)
• M8: 1,542,653 km (0.036 R)
• M9: 1,851,423 km (0.04 R)
• M10: 2,159,296 km (0.079 R)
• M11: 2,636,962 km (0.096 R)
• M12: 3,026,215 km (0.109 R)
• M13: 3,155,318 km (0.074 R)
• M14: 3,709,429 km (0.081 R)
• M15: 3,887,600 km (0.116 R)
• M16: 4,624,070 km (0.087 R)
• M17: 5,151,851 km (0.112 R)
• M18: 6,666,979 km (0.113 R)
• M19: 7,292,747 km (0.084 R)
• M20: 9,736,129 km (0.108 R)
• M21: 9,904,875 km (0.026 R)
• M22: 10,306,097 km (0.064 R)
• M23: 14,857,612 km (0.082 R)
• M24: 15,843,013 km (0.064 R)
• M25: 17,775,369 km (0.082 R)
• M26: 19,412,268 km (0.105 R)
• M27: 22,489,198 km (0.076 R)
• M28: 27,634,167 km (0.103 R)
• M29: 28,657,267 km (0.102 R)
• M30: 34,543,046 km (0.043 R)
• M31: 37,766,730 km (0.112 R)
• M32: 38,743,455 km (0.061 R)
• M33: 45,427,488 km (0.058 R)
• M34: 50,453,527 km (0.083 R)
• M35: 51,979,127 km (0.044 R)
• M36: 66,107,897 km (0.077 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 15,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit