🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.6

Radius: 14.2

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.56 AU - 0.84 AU

Year: 378 Days

Day: 10.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,619,930 km

• M1: 179,817 km (0.045 R)
• M2: 636,389 km (0.095 R)
• M3: 1,159,683 km (0.117 R)
• M4: 1,763,310 km (0.095 R)
• M5: 2,473,750 km (0.096 R)
• M6: 2,948,275 km (0.101 R)
• M7: 3,820,730 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.5

Radius: 12.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.53 AU - 1.97 AU

Year: 1495 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,619,930 km

• M1: 156,779 km (0.113 R)
• M2: 562,338 km (0.087 R)
• M3: 1,579,454 km (0.111 R)
• M4: 2,099,157 km (0.114 R)
• M5: 2,539,125 km (0.118 R)
• M6: 3,108,195 km (0.055 R)
• M7: 3,870,995 km (0.032 R)
• M8: 5,225,753 km (0.099 R)
• M9: 6,461,880 km (0.12 R)
• M10: 7,331,343 km (0.104 R)
• M11: 8,092,198 km (0.072 R)
• M12: 9,652,803 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.1

Radius: 8

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.54 AU - 2.54 AU

Year: 1881 Days

Day: 8.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,619,930 km

• M1: 99,483 km (0.106 R)
• M2: 355,744 km (0.115 R)
• M3: 698,472 km (0.114 R)
• M4: 1,040,453 km (0.119 R)
• M5: 1,339,499 km (0.103 R)
• M6: 1,735,186 km (0.078 R)
• M7: 2,499,182 km (0.096 R)
• M8: 2,748,562 km (0.074 R)
• M9: 3,313,443 km (0.077 R)
• M10: 4,184,252 km (0.052 R)
• M11: 5,220,666 km (0.117 R)
• M12: 6,203,674 km (0.074 R)
• M13: 6,565,402 km (0.101 R)
• M14: 6,814,482 km (0.114 R)
• M15: 7,654,025 km (0.074 R)
• M16: 8,270,069 km (0.118 R)
• M17: 8,858,288 km (0.075 R)
• M18: 9,600,743 km (0.063 R)
• M19: 10,085,440 km (0.089 R)
• M20: 10,688,469 km (0.111 R)
• M21: 11,929,533 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.7

Radius: 10.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.78 AU - 3.42 AU

Year: 3524 Days

Day: 9.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,619,930 km

• M1: 125,662 km (0.114 R)
• M2: 465,848 km (0.1 R)
• M3: 1,169,706 km (0.107 R)
• M4: 2,087,040 km (0.103 R)
• M5: 3,981,547 km (0.103 R)
• M6: 4,982,955 km (0.08 R)
• M7: 5,517,768 km (0.067 R)
• M8: 6,934,609 km (0.107 R)
• M9: 7,539,433 km (0.044 R)
• M10: 7,886,949 km (0.061 R)
• M11: 8,245,087 km (0.057 R)
• M12: 10,904,787 km (0.107 R)
• M13: 11,390,980 km (0.111 R)
• M14: 13,071,712 km (0.097 R)
• M15: 13,853,810 km (0.099 R)
• M16: 14,472,696 km (0.08 R)
• M17: 14,961,133 km (0.053 R)
• M18: 16,545,674 km (0.08 R)
• M19: 17,026,033 km (0.114 R)
• M20: 18,409,065 km (0.098 R)
• M21: 18,751,943 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.4

Radius: 10.6

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.01 AU - 4.49 AU

Year: 4689 Days

Day: 10.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,619,930 km

• M1: 132,095 km (0.111 R)
• M2: 547,379 km (0.084 R)
• M3: 2,012,540 km (0.087 R)
• M4: 2,674,810 km (0.112 R)
• M5: 3,153,822 km (0.057 R)
• M6: 3,888,946 km (0.07 R)
• M7: 4,657,431 km (0.101 R)
• M8: 5,410,357 km (0.092 R)
• M9: 7,295,290 km (0.107 R)
• M10: 10,844,200 km (0.112 R)
• M11: 12,913,887 km (0.096 R)
• M12: 13,907,366 km (0.086 R)
• M13: 14,782,962 km (0.113 R)
• M14: 17,070,763 km (0.094 R)
• M15: 17,946,658 km (0.097 R)
• M16: 24,858,379 km (0.057 R)
• M17: 26,146,865 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.7

Radius: 6.3

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.96 AU - 8.06 AU

Year: 10725 Days

Day: 20.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,619,930 km

• M1: 78,389 km (0.062 R)
• M2: 370,404 km (0.107 R)
• M3: 584,329 km (0.065 R)
• M4: 801,695 km (0.107 R)
• M5: 1,054,515 km (0.119 R)
• M6: 2,103,496 km (0.111 R)
• M7: 2,700,690 km (0.092 R)
• M8: 3,089,645 km (0.05 R)
• M9: 4,003,239 km (0.093 R)
• M10: 4,588,466 km (0.061 R)
• M11: 4,915,636 km (0.083 R)
• M12: 5,171,150 km (0.088 R)
• M13: 5,495,627 km (0.088 R)
• M14: 6,618,659 km (0.047 R)
• M15: 7,108,143 km (0.114 R)
• M16: 7,398,512 km (0.075 R)
• M17: 8,198,412 km (0.107 R)
• M18: 10,565,050 km (0.043 R)
• M19: 10,895,662 km (0.116 R)
• M20: 11,184,535 km (0.114 R)
• M21: 11,677,460 km (0.086 R)
• M22: 12,184,597 km (0.103 R)
• M23: 12,972,679 km (0.091 R)
• M24: 13,906,468 km (0.093 R)
• M25: 15,540,975 km (0.049 R)
• M26: 17,692,641 km (0.111 R)
• M27: 18,293,875 km (0.118 R)
• M28: 20,323,768 km (0.091 R)
• M29: 21,581,138 km (0.032 R)
• M30: 24,991,222 km (0.097 R)
• M31: 30,420,877 km (0.088 R)
• M32: 34,070,017 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.5

Radius: 6.9

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.12 AU - 8.48 AU

Year: 12735 Days

Day: 17.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,619,930 km

• M1: 87,964 km (0.057 R)
• M2: 324,029 km (0.087 R)
• M3: 1,196,035 km (0.103 R)
• M4: 1,578,407 km (0.102 R)
• M5: 2,804,212 km (0.104 R)
• M6: 3,075,882 km (0.046 R)
• M7: 5,246,547 km (0.111 R)
• M8: 7,777,593 km (0.119 R)
• M9: 9,559,753 km (0.088 R)
• M10: 16,044,970 km (0.12 R)
• M11: 17,748,591 km (0.084 R)
• M12: 19,720,141 km (0.079 R)
• M13: 27,625,192 km (0.034 R)
• M14: 28,293,744 km (0.09 R)
• M15: 30,364,179 km (0.1 R)
• M16: 39,417,244 km (0.082 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 12,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit