🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

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: 986.6

Radius: 8.4

Gravity: 13.98 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.61 AU - 0.67 AU

Year: 347 Days

Day: 7.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,752,915 km

• M1: 104,419 km (0.096 R)
• M2: 388,655 km (0.107 R)
• M3: 680,670 km (0.077 R)
• M4: 946,655 km (0.103 R)
• M5: 1,296,116 km (0.099 R)
• M6: 1,636,750 km (0.059 R)
• M7: 2,003,714 km (0.044 R)
• M8: 2,510,252 km (0.104 R)
• M9: 2,968,620 km (0.104 R)
• M10: 3,457,656 km (0.08 R)
• M11: 4,339,685 km (0.076 R)
• M12: 4,640,376 km (0.119 R)
• M13: 5,109,665 km (0.114 R)
• M14: 5,627,124 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.7

Radius: 13.2

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.96 AU - 1.24 AU

Year: 782 Days

Day: 8.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,752,915 km

• M1: 164,258 km (0.11 R)
• M2: 619,634 km (0.061 R)
• M3: 1,216,829 km (0.12 R)
• M4: 1,669,961 km (0.045 R)
• M5: 2,123,243 km (0.081 R)
• M6: 3,285,618 km (0.088 R)
• M7: 3,893,135 km (0.108 R)
• M8: 4,354,345 km (0.041 R)
• M9: 4,952,886 km (0.105 R)
• M10: 5,477,975 km (0.03 R)
• M11: 5,943,972 km (0.101 R)
• M12: 6,436,299 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181

Radius: 8.1

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.1 AU - 1.5 AU

Year: 1005 Days

Day: 11.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,752,915 km

• M1: 100,679 km (0.047 R)
• M2: 353,649 km (0.09 R)
• M3: 666,309 km (0.028 R)
• M4: 944,262 km (0.104 R)
• M5: 1,473,389 km (0.046 R)
• M6: 1,746,256 km (0.058 R)
• M7: 2,975,801 km (0.058 R)
• M8: 3,725,137 km (0.113 R)
• M9: 4,237,509 km (0.075 R)
• M10: 5,019,906 km (0.077 R)
• M11: 5,301,150 km (0.046 R)
• M12: 5,895,203 km (0.117 R)
• M13: 6,321,856 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.2

Radius: 8.8

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.26 AU - 1.7 AU

Year: 1221 Days

Day: 12.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,752,915 km

• M1: 109,655 km (0.042 R)
• M2: 544,087 km (0.052 R)
• M3: 835,504 km (0.103 R)
• M4: 1,264,850 km (0.081 R)
• M5: 1,562,849 km (0.041 R)
• M6: 1,897,799 km (0.07 R)
• M7: 2,375,165 km (0.106 R)
• M8: 2,727,618 km (0.075 R)
• M9: 3,731,719 km (0.037 R)
• M10: 4,409,248 km (0.097 R)
• M11: 5,850,324 km (0.046 R)
• M12: 6,497,036 km (0.061 R)
• M13: 8,015,155 km (0.115 R)
• M14: 9,020,153 km (0.12 R)
• M15: 11,244,075 km (0.115 R)
• M16: 11,807,760 km (0.093 R)
• M17: 12,206,139 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.5

Radius: 13

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.12 AU - 4.98 AU

Year: 5528 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,752,915 km

• M1: 162,912 km (0.108 R)
• M2: 609,013 km (0.113 R)
• M3: 1,332,618 km (0.089 R)
• M4: 1,911,412 km (0.04 R)
• M5: 2,585,051 km (0.119 R)
• M6: 3,165,192 km (0.088 R)
• M7: 4,537,303 km (0.044 R)
• M8: 5,242,807 km (0.114 R)
• M9: 5,864,835 km (0.061 R)
• M10: 7,879,918 km (0.038 R)
• M11: 9,232,133 km (0.107 R)
• M12: 15,547,408 km (0.06 R)
• M13: 16,960,210 km (0.12 R)
• M14: 20,252,859 km (0.055 R)
• M15: 21,562,738 km (0.115 R)
• M16: 23,950,021 km (0.097 R)
• M17: 27,023,958 km (0.097 R)
• M18: 27,546,054 km (0.068 R)
• M19: 27,986,321 km (0.116 R)
• M20: 30,633,156 km (0.074 R)
• M21: 32,946,537 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.5

Radius: 14.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.3 AU - 5.82 AU

Year: 8892 Days

Day: 10.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 87.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,752,915 km

• M1: 179,069 km (0.09 R)
• M2: 642,822 km (0.09 R)
• M3: 1,378,694 km (0.057 R)
• M4: 2,429,021 km (0.087 R)
• M5: 3,077,527 km (0.095 R)
• M6: 3,888,497 km (0.04 R)
• M7: 5,338,101 km (0.09 R)
• M8: 6,617,163 km (0.104 R)
• M9: 7,086,302 km (0.107 R)
• M10: 9,730,145 km (0.094 R)
• M11: 10,195,992 km (0.119 R)
• M12: 12,210,777 km (0.111 R)
• M13: 12,919,422 km (0.117 R)
• M14: 16,160,908 km (0.102 R)
• M15: 17,900,432 km (0.076 R)
• M16: 22,226,204 km (0.076 R)
• M17: 23,782,920 km (0.053 R)
• M18: 25,586,921 km (0.094 R)
• M19: 29,854,499 km (0.11 R)
• M20: 32,672,624 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.8

Radius: 4.7

Gravity: 21.9 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.1 AU - 6.22 AU

Year: 9133 Days

Day: 22.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,752,915 km

• M1: 58,493 km (0.107 R)
• M2: 235,467 km (0.103 R)
• M3: 788,381 km (0.067 R)
• M4: 1,152,652 km (0.12 R)
• M5: 1,348,774 km (0.091 R)
• M6: 1,778,719 km (0.115 R)
• M7: 2,277,628 km (0.094 R)
• M8: 2,783,568 km (0.059 R)
• M9: 3,009,909 km (0.079 R)
• M10: 4,331,457 km (0.094 R)
• M11: 5,380,886 km (0.039 R)
• M12: 5,603,188 km (0.089 R)
• M13: 7,766,224 km (0.117 R)
• M14: 10,576,719 km (0.036 R)
• M15: 10,925,581 km (0.106 R)
• M16: 11,646,493 km (0.109 R)
• M17: 12,955,026 km (0.12 R)
• M18: 16,120,667 km (0.071 R)
• M19: 17,189,693 km (0.051 R)
• M20: 17,881,284 km (0.092 R)
• M21: 18,092,366 km (0.069 R)
• M22: 20,679,063 km (0.079 R)
• M23: 21,619,735 km (0.049 R)
• M24: 22,020,059 km (0.072 R)
• M25: 28,249,314 km (0.1 R)
• M26: 29,798,998 km (0.099 R)
• M27: 32,541,127 km (0.063 R)
• M28: 34,896,097 km (0.112 R)
• M29: 38,990,740 km (0.051 R)
• M30: 39,227,105 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.7

Radius: 7.9

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.91 AU - 7.97 AU

Year: 12400 Days

Day: 18.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,752,915 km

• M1: 98,286 km (0.074 R)
• M2: 457,321 km (0.086 R)
• M3: 1,524,851 km (0.096 R)
• M4: 1,787,844 km (0.046 R)
• M5: 2,366,788 km (0.051 R)
• M6: 2,678,699 km (0.087 R)
• M7: 3,620,119 km (0.101 R)
• M8: 4,006,979 km (0.054 R)
• M9: 4,831,114 km (0.095 R)
• M10: 7,102,608 km (0.119 R)
• M11: 7,710,125 km (0.114 R)
• M12: 8,398,873 km (0.12 R)
• M13: 9,637,095 km (0.066 R)
• M14: 11,745,826 km (0.084 R)
• M15: 13,484,154 km (0.083 R)
• M16: 14,346,735 km (0.087 R)
• M17: 16,477,158 km (0.086 R)
• M18: 29,793,463 km (0.06 R)
• M19: 31,139,694 km (0.106 R)
• M20: 31,943,334 km (0.034 R)
• M21: 33,115,433 km (0.119 R)
• M22: 33,592,202 km (0.093 R)
• M23: 34,681,723 km (0.102 R)
• M24: 36,931,077 km (0.079 R)
• M25: 37,831,506 km (0.104 R)
• M26: 40,079,065 km (0.092 R)
• M27: 50,274,160 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.9

Radius: 5.3

Gravity: 34.46 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.35 AU - 8.81 AU

Year: 17046 Days

Day: 20.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,752,915 km

• M1: 65,973 km (0.114 R)
• M2: 351,555 km (0.088 R)
• M3: 1,023,549 km (0.107 R)
• M4: 1,193,641 km (0.108 R)
• M5: 1,955,693 km (0.119 R)
• M6: 2,306,500 km (0.078 R)
• M7: 2,602,405 km (0.06 R)
• M8: 3,133,477 km (0.083 R)
• M9: 5,351,265 km (0.037 R)
• M10: 6,334,871 km (0.09 R)
• M11: 7,100,663 km (0.082 R)
• M12: 8,760,751 km (0.114 R)
• M13: 8,977,967 km (0.1 R)
• M14: 10,119,249 km (0.11 R)
• M15: 10,298,467 km (0.033 R)
• M16: 10,848,688 km (0.118 R)
• M17: 11,808,957 km (0.07 R)
• M18: 16,880,025 km (0.102 R)
• M19: 17,904,023 km (0.066 R)
• M20: 22,516,424 km (0.071 R)
• M21: 23,233,896 km (0.101 R)
• M22: 23,650,825 km (0.058 R)
• M23: 26,595,659 km (0.1 R)
• M24: 29,048,466 km (0.093 R)
• M25: 37,162,205 km (0.07 R)
• M26: 38,598,046 km (0.091 R)
• M27: 43,914,605 km (0.098 R)
• M28: 44,551,592 km (0.093 R)
• M29: 45,194,714 km (0.104 R)
• M30: 46,995,273 km (0.055 R)
• M31: 51,264,348 km (0.05 R)
• M32: 53,402,251 km (0.087 R)
• M33: 61,352,480 km (0.1 R)
• M34: 68,125,973 km (0.117 R)
• M35: 73,576,870 km (0.043 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 19,083 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit