🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.8

Radius: 11.2

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.75 AU - 0.77 AU

Year: 428 Days

Day: 10.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,565,703 km

• M1: 139,276 km (0.107 R)
• M2: 501,602 km (0.072 R)
• M3: 872,455 km (0.097 R)
• M4: 1,266,047 km (0.117 R)
• M5: 1,637,498 km (0.09 R)
• M6: 1,997,580 km (0.109 R)
• M7: 2,392,070 km (0.093 R)
• M8: 2,753,498 km (0.076 R)
• M9: 3,163,247 km (0.102 R)
• M10: 3,639,267 km (0.039 R)
• M11: 5,278,112 km (0.087 R)
• M12: 5,650,760 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.2

Radius: 13.3

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.68 AU - 0.9 AU

Year: 453 Days

Day: 5.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,565,703 km

• M1: 165,455 km (0.037 R)
• M2: 601,683 km (0.08 R)
• M3: 1,023,848 km (0.061 R)
• M4: 1,732,792 km (0.115 R)
• M5: 2,270,447 km (0.07 R)
• M6: 2,761,726 km (0.107 R)
• M7: 3,313,593 km (0.119 R)
• M8: 3,869,349 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 13.1

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.39 AU - 1.69 AU

Year: 1234 Days

Day: 12.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,565,703 km

• M1: 162,912 km (0.079 R)
• M2: 790,026 km (0.078 R)
• M3: 1,364,482 km (0.108 R)
• M4: 1,798,466 km (0.039 R)
• M5: 2,691,565 km (0.068 R)
• M6: 3,160,704 km (0.051 R)
• M7: 3,757,749 km (0.101 R)
• M8: 4,331,008 km (0.114 R)
• M9: 4,979,964 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.3

Radius: 14.8

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.31 AU - 1.97 AU

Year: 1356 Days

Day: 7.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,565,703 km

• M1: 211,531 km (0.109 R)
• M2: 909,405 km (0.082 R)
• M3: 1,514,080 km (0.085 R)
• M4: 2,350,631 km (0.115 R)
• M5: 3,356,976 km (0.111 R)
• M6: 4,730,733 km (0.089 R)
• M7: 6,032,833 km (0.027 R)
• M8: 8,163,257 km (0.115 R)
• M9: 10,356,361 km (0.09 R)
• M10: 11,307,355 km (0.114 R)
• M11: 11,912,628 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.9

Radius: 9

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.28 AU - 2.44 AU

Year: 2341 Days

Day: 8.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,565,703 km

• M1: 112,198 km (0.116 R)
• M2: 429,196 km (0.116 R)
• M3: 744,100 km (0.11 R)
• M4: 1,036,115 km (0.055 R)
• M5: 2,069,387 km (0.097 R)
• M6: 2,353,922 km (0.065 R)
• M7: 2,808,401 km (0.107 R)
• M8: 3,159,058 km (0.041 R)
• M9: 4,758,858 km (0.107 R)
• M10: 5,604,535 km (0.117 R)
• M11: 6,263,962 km (0.083 R)
• M12: 6,838,717 km (0.087 R)
• M13: 7,591,643 km (0.085 R)
• M14: 8,337,089 km (0.097 R)
• M15: 8,807,275 km (0.061 R)
• M16: 9,097,795 km (0.073 R)
• M17: 9,428,256 km (0.118 R)
• M18: 10,324,647 km (0.101 R)
• M19: 10,757,134 km (0.118 R)
• M20: 11,126,790 km (0.102 R)
• M21: 12,009,119 km (0.071 R)
• M22: 12,649,846 km (0.033 R)
• M23: 15,211,261 km (0.117 R)
• M24: 15,583,311 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.4

Radius: 13.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.09 AU - 5.13 AU

Year: 5380 Days

Day: 9.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,565,703 km

• M1: 170,691 km (0.066 R)
• M2: 623,674 km (0.058 R)
• M3: 1,995,037 km (0.108 R)
• M4: 2,657,457 km (0.084 R)
• M5: 3,441,948 km (0.084 R)
• M6: 4,529,973 km (0.097 R)
• M7: 4,958,571 km (0.073 R)
• M8: 5,743,810 km (0.095 R)
• M9: 6,247,207 km (0.059 R)
• M10: 6,678,049 km (0.12 R)
• M11: 7,452,517 km (0.069 R)
• M12: 8,685,204 km (0.108 R)
• M13: 9,695,887 km (0.094 R)
• M14: 10,783,613 km (0.069 R)
• M15: 12,051,904 km (0.107 R)
• M16: 12,986,890 km (0.116 R)
• M17: 15,001,076 km (0.083 R)
• M18: 15,838,226 km (0.075 R)
• M19: 16,959,911 km (0.054 R)
• M20: 18,604,739 km (0.091 R)
• M21: 20,425,944 km (0.118 R)
• M22: 22,440,129 km (0.045 R)
• M23: 23,535,186 km (0.061 R)
• M24: 25,747,290 km (0.049 R)
• M25: 28,094,779 km (0.117 R)
• M26: 32,912,579 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.3

Radius: 4.6

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.7 AU - 8.52 AU

Year: 13555 Days

Day: 15.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,565,703 km

• M1: 57,446 km (0.12 R)
• M2: 208,240 km (0.104 R)
• M3: 461,659 km (0.117 R)
• M4: 718,070 km (0.091 R)
• M5: 1,115,103 km (0.112 R)
• M6: 2,115,314 km (0.048 R)
• M7: 2,669,275 km (0.098 R)
• M8: 3,000,185 km (0.106 R)
• M9: 7,021,226 km (0.04 R)
• M10: 7,275,992 km (0.047 R)
• M11: 7,842,668 km (0.116 R)
• M12: 8,156,674 km (0.095 R)
• M13: 8,851,706 km (0.12 R)
• M14: 10,641,495 km (0.073 R)
• M15: 12,499,500 km (0.119 R)
• M16: 17,365,620 km (0.087 R)
• M17: 20,581,525 km (0.073 R)
• M18: 22,095,606 km (0.089 R)
• M19: 24,008,663 km (0.061 R)
• M20: 27,797,528 km (0.102 R)
• M21: 29,550,067 km (0.083 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 14,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit