🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.3

Radius: 8.5

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.5 AU - 0.78 AU

Year: 347 Days

Day: 9 Hours

Environment

Temp: -150 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,321,704 km

• M1: 105,766 km (0.116 R)
• M2: 385,065 km (0.064 R)
• M3: 727,345 km (0.034 R)
• M4: 1,081,593 km (0.097 R)
• M5: 1,388,268 km (0.026 R)
• M6: 1,731,595 km (0.112 R)
• M7: 2,468,215 km (0.03 R)
• M8: 2,840,564 km (0.08 R)
• M9: 3,399,163 km (0.026 R)
• M10: 3,899,717 km (0.117 R)
• M11: 4,310,064 km (0.118 R)
• M12: 4,705,302 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.1

Radius: 10.9

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.06 AU - 1.24 AU

Year: 836 Days

Day: 9.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,321,704 km

• M1: 138,079 km (0.094 R)
• M2: 790,176 km (0.078 R)
• M3: 1,170,005 km (0.114 R)
• M4: 1,599,351 km (0.057 R)
• M5: 1,940,135 km (0.082 R)
• M6: 2,478,388 km (0.091 R)
• M7: 2,894,719 km (0.08 R)
• M8: 3,370,141 km (0.11 R)
• M9: 3,883,411 km (0.108 R)
• M10: 4,555,405 km (0.118 R)
• M11: 5,034,268 km (0.06 R)
• M12: 6,130,970 km (0.106 R)
• M13: 6,918,902 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.5

Radius: 11.2

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.27 AU - 1.55 AU

Year: 1136 Days

Day: 13 Hours

Environment

Temp: -180 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,321,704 km

• M1: 155,432 km (0.108 R)
• M2: 615,296 km (0.067 R)
• M3: 1,395,748 km (0.088 R)
• M4: 2,070,584 km (0.059 R)
• M5: 4,041,087 km (0.106 R)
• M6: 4,934,935 km (0.038 R)
• M7: 5,561,899 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.1

Radius: 13.4

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.31 AU - 2.09 AU

Year: 1503 Days

Day: 13.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,321,704 km

• M1: 168,746 km (0.079 R)
• M2: 609,761 km (0.102 R)
• M3: 1,219,073 km (0.085 R)
• M4: 2,128,778 km (0.069 R)
• M5: 2,705,926 km (0.111 R)
• M6: 3,180,900 km (0.102 R)
• M7: 4,490,180 km (0.09 R)
• M8: 5,004,498 km (0.063 R)
• M9: 5,745,306 km (0.075 R)
• M10: 6,475,643 km (0.11 R)
• M11: 7,090,490 km (0.027 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.8

Radius: 10.1

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.65 AU - 1.77 AU

Year: 1517 Days

Day: 6.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,321,704 km

• M1: 125,662 km (0.077 R)
• M2: 649,554 km (0.047 R)
• M3: 976,425 km (0.094 R)
• M4: 1,349,223 km (0.074 R)
• M5: 1,840,054 km (0.084 R)
• M6: 2,239,929 km (0.08 R)
• M7: 2,881,105 km (0.101 R)
• M8: 4,289,420 km (0.046 R)
• M9: 4,627,661 km (0.106 R)
• M10: 5,310,276 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.6

Radius: 13

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.08 AU - 4.02 AU

Year: 4537 Days

Day: 9.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,321,704 km

• M1: 163,062 km (0.12 R)
• M2: 571,464 km (0.083 R)
• M3: 1,792,930 km (0.045 R)
• M4: 2,326,546 km (0.103 R)
• M5: 3,697,012 km (0.119 R)
• M6: 4,106,312 km (0.116 R)
• M7: 4,856,695 km (0.104 R)
• M8: 5,349,470 km (0.075 R)
• M9: 6,028,046 km (0.074 R)
• M10: 7,032,596 km (0.106 R)
• M11: 10,995,144 km (0.091 R)
• M12: 12,593,448 km (0.06 R)
• M13: 15,947,881 km (0.088 R)
• M14: 21,922,371 km (0.08 R)
• M15: 22,742,018 km (0.049 R)
• M16: 26,559,905 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.9

Radius: 8

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.26 AU - 9.78 AU

Year: 15405 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,321,704 km

• M1: 119,529 km (0.115 R)
• M2: 582,684 km (0.061 R)
• M3: 1,228,049 km (0.043 R)
• M4: 1,589,328 km (0.091 R)
• M5: 1,897,350 km (0.118 R)
• M6: 2,187,270 km (0.113 R)
• M7: 2,591,634 km (0.086 R)
• M8: 2,927,032 km (0.08 R)
• M9: 3,795,747 km (0.089 R)
• M10: 4,826,177 km (0.098 R)
• M11: 5,695,191 km (0.088 R)
• M12: 6,343,249 km (0.061 R)
• M13: 7,081,814 km (0.095 R)
• M14: 7,605,257 km (0.092 R)
• M15: 8,438,517 km (0.086 R)
• M16: 8,877,437 km (0.109 R)
• M17: 10,506,258 km (0.116 R)
• M18: 10,786,455 km (0.069 R)
• M19: 12,325,069 km (0.112 R)
• M20: 13,670,403 km (0.048 R)
• M21: 17,031,568 km (0.078 R)
• M22: 22,813,226 km (0.118 R)
• M23: 23,189,166 km (0.114 R)
• M24: 27,074,223 km (0.068 R)
• M25: 28,568,556 km (0.068 R)
• M26: 28,895,876 km (0.046 R)
• M27: 29,225,590 km (0.092 R)
• M28: 30,912,006 km (0.098 R)
• M29: 34,972,841 km (0.072 R)
• M30: 37,651,091 km (0.086 R)
• M31: 39,107,127 km (0.056 R)
• M32: 48,484,969 km (0.08 R)
• M33: 49,262,878 km (0.094 R)
• M34: 52,294,778 km (0.097 R)
• M35: 54,105,810 km (0.044 R)
• M36: 54,942,660 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.5

Radius: 4.6

Gravity: 34.33 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.13 AU - 11.63 AU

Year: 21063 Days

Day: 15.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,321,704 km

• M1: 57,146 km (0.047 R)
• M2: 233,522 km (0.113 R)
• M3: 769,083 km (0.104 R)
• M4: 1,341,743 km (0.081 R)
• M5: 2,117,857 km (0.071 R)
• M6: 2,687,376 km (0.084 R)
• M7: 3,381,959 km (0.059 R)
• M8: 3,864,861 km (0.111 R)
• M9: 5,117,444 km (0.052 R)
• M10: 5,835,514 km (0.111 R)
• M11: 6,218,783 km (0.111 R)
• M12: 6,755,541 km (0.091 R)
• M13: 7,768,318 km (0.032 R)
• M14: 8,443,753 km (0.069 R)
• M15: 13,050,320 km (0.1 R)
• M16: 13,778,712 km (0.093 R)
• M17: 19,094,074 km (0.078 R)
• M18: 21,896,940 km (0.107 R)
• M19: 22,819,659 km (0.059 R)
• M20: 26,654,750 km (0.118 R)
• M21: 27,943,386 km (0.12 R)
• M22: 30,644,226 km (0.056 R)
• M23: 36,415,862 km (0.106 R)
• M24: 40,234,946 km (0.11 R)
• M25: 41,306,964 km (0.12 R)
• M26: 43,029,733 km (0.074 R)
• M27: 46,117,433 km (0.099 R)
• M28: 46,618,137 km (0.063 R)
• M29: 59,748,043 km (0.113 R)
• M30: 61,746,521 km (0.082 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 11,946 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit