🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.2

Radius: 12.2

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.59 AU - 0.73 AU

Year: 358 Days

Day: 8.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,773,047 km

• M1: 151,842 km (0.118 R)
• M2: 565,031 km (0.071 R)
• M3: 949,049 km (0.107 R)
• M4: 2,062,805 km (0.076 R)
• M5: 2,466,270 km (0.118 R)
• M6: 3,424,594 km (0.097 R)
• M7: 4,371,549 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.9

Radius: 9.4

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.67 AU - 0.79 AU

Year: 416 Days

Day: 7.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 90,773,047 km

• M1: 118,482 km (0.113 R)
• M2: 433,385 km (0.107 R)
• M3: 967,150 km (0.052 R)
• M4: 1,622,539 km (0.099 R)
• M5: 1,960,480 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.3

Radius: 13.4

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.33 AU - 1.41 AU

Year: 1069 Days

Day: 13.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,773,047 km

• M1: 166,802 km (0.108 R)
• M2: 620,682 km (0.11 R)
• M3: 1,416,991 km (0.039 R)
• M4: 2,059,813 km (0.089 R)
• M5: 2,866,894 km (0.101 R)
• M6: 3,429,531 km (0.077 R)
• M7: 4,145,955 km (0.087 R)
• M8: 5,071,817 km (0.117 R)
• M9: 5,514,477 km (0.103 R)
• M10: 6,173,755 km (0.119 R)
• M11: 7,024,218 km (0.058 R)
• M12: 7,551,551 km (0.081 R)
• M13: 8,958,818 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122

Radius: 8.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.31 AU - 1.85 AU

Year: 1324 Days

Day: 11.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,773,047 km

• M1: 108,159 km (0.05 R)
• M2: 451,935 km (0.047 R)
• M3: 833,709 km (0.042 R)
• M4: 1,697,337 km (0.077 R)
• M5: 2,029,146 km (0.097 R)
• M6: 2,926,434 km (0.054 R)
• M7: 3,829,107 km (0.107 R)
• M8: 4,344,921 km (0.037 R)
• M9: 5,087,375 km (0.055 R)
• M10: 5,393,153 km (0.083 R)
• M11: 5,874,858 km (0.11 R)
• M12: 6,307,645 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.9

Radius: 8.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.37 AU - 2.65 AU

Year: 2652 Days

Day: 6.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,773,047 km

• M1: 111,151 km (0.1 R)
• M2: 477,965 km (0.113 R)
• M3: 788,231 km (0.078 R)
• M4: 1,092,962 km (0.113 R)
• M5: 1,868,926 km (0.087 R)
• M6: 2,573,233 km (0.095 R)
• M7: 2,917,158 km (0.107 R)
• M8: 3,714,366 km (0.108 R)
• M9: 4,316,048 km (0.103 R)
• M10: 4,764,991 km (0.105 R)
• M11: 5,286,340 km (0.112 R)
• M12: 7,105,899 km (0.093 R)
• M13: 8,625,664 km (0.046 R)
• M14: 9,007,288 km (0.109 R)
• M15: 11,574,537 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.6

Radius: 6.8

Gravity: 17.81 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 9.91 AU - 11.75 AU

Year: 23767 Days

Day: 18.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,773,047 km

• M1: 86,168 km (0.118 R)
• M2: 378,632 km (0.107 R)
• M3: 877,392 km (0.117 R)
• M4: 1,145,321 km (0.108 R)
• M5: 1,553,275 km (0.041 R)
• M6: 3,028,459 km (0.086 R)
• M7: 3,524,675 km (0.097 R)
• M8: 4,422,412 km (0.083 R)
• M9: 5,100,240 km (0.059 R)
• M10: 6,755,690 km (0.072 R)
• M11: 7,549,457 km (0.094 R)
• M12: 10,114,013 km (0.094 R)
• M13: 11,217,746 km (0.09 R)
• M14: 16,791,164 km (0.078 R)
• M15: 17,325,229 km (0.116 R)
• M16: 19,380,853 km (0.098 R)
• M17: 25,685,954 km (0.111 R)
• M18: 28,599,971 km (0.117 R)
• M19: 29,489,630 km (0.101 R)
• M20: 30,266,791 km (0.113 R)
• M21: 38,497,067 km (0.096 R)
• M22: 41,648,346 km (0.076 R)
• M23: 42,626,268 km (0.077 R)
• M24: 43,786,399 km (0.077 R)
• M25: 54,220,851 km (0.083 R)
• M26: 54,801,590 km (0.035 R)
• M27: 57,165,984 km (0.053 R)
• M28: 58,779,547 km (0.106 R)
• M29: 67,975,178 km (0.118 R)
• M30: 69,557,475 km (0.084 R)
• M31: 72,326,831 km (0.109 R)
• M32: 75,890,850 km (0.105 R)
• M33: 85,963,424 km (0.11 R)
• M34: 86,489,261 km (0.094 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 11,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit