🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.7

Radius: 8.3

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.44 AU - 0.68 AU

Year: 284 Days

Day: 11.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,633,900 km

• M1: 103,522 km (0.12 R)
• M2: 365,019 km (0.097 R)
• M3: 696,228 km (0.054 R)
• M4: 1,007,691 km (0.105 R)
• M5: 1,268,291 km (0.119 R)
• M6: 1,600,847 km (0.108 R)
• M7: 2,014,335 km (0.1 R)
• M8: 2,561,116 km (0.107 R)
• M9: 2,874,673 km (0.09 R)
• M10: 3,267,666 km (0.12 R)
• M11: 3,660,809 km (0.05 R)
• M12: 4,072,802 km (0.056 R)
• M13: 4,720,710 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.2

Radius: 9.7

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.8 AU - 1.08 AU

Year: 618 Days

Day: 9.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,633,900 km

• M1: 121,623 km (0.115 R)
• M2: 487,988 km (0.086 R)
• M3: 1,325,138 km (0.089 R)
• M4: 1,756,429 km (0.112 R)
• M5: 2,097,213 km (0.085 R)
• M6: 2,996,595 km (0.112 R)
• M7: 4,264,736 km (0.098 R)
• M8: 4,873,001 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.7

Radius: 9.6

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.79 AU - 4.07 AU

Year: 4309 Days

Day: 8.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,633,900 km

• M1: 119,379 km (0.089 R)
• M2: 420,669 km (0.108 R)
• M3: 727,644 km (0.099 R)
• M4: 1,035,965 km (0.113 R)
• M5: 1,368,372 km (0.071 R)
• M6: 1,825,244 km (0.069 R)
• M7: 2,753,498 km (0.108 R)
• M8: 3,550,705 km (0.114 R)
• M9: 4,154,931 km (0.115 R)
• M10: 5,011,678 km (0.1 R)
• M11: 7,038,729 km (0.095 R)
• M12: 7,558,283 km (0.098 R)
• M13: 8,481,002 km (0.118 R)
• M14: 10,908,677 km (0.113 R)
• M15: 11,795,792 km (0.114 R)
• M16: 12,529,420 km (0.094 R)
• M17: 12,831,309 km (0.074 R)
• M18: 13,713,038 km (0.07 R)
• M19: 14,195,940 km (0.119 R)
• M20: 15,771,056 km (0.049 R)
• M21: 21,983,407 km (0.072 R)
• M22: 24,318,630 km (0.064 R)
• M23: 29,654,188 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.8

Radius: 7.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.12 AU - 7.34 AU

Year: 11842 Days

Day: 23 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,633,900 km

• M1: 90,806 km (0.116 R)
• M2: 348,563 km (0.087 R)
• M3: 819,796 km (0.104 R)
• M4: 1,971,251 km (0.108 R)
• M5: 3,036,986 km (0.045 R)
• M6: 3,950,281 km (0.1 R)
• M7: 5,233,382 km (0.048 R)
• M8: 6,807,900 km (0.083 R)
• M9: 7,086,302 km (0.069 R)
• M10: 9,211,040 km (0.107 R)
• M11: 9,551,974 km (0.075 R)
• M12: 10,533,036 km (0.116 R)
• M13: 11,095,674 km (0.118 R)
• M14: 11,433,017 km (0.105 R)
• M15: 12,229,776 km (0.071 R)
• M16: 12,798,696 km (0.077 R)
• M17: 14,784,458 km (0.079 R)
• M18: 15,489,663 km (0.072 R)
• M19: 19,217,193 km (0.076 R)
• M20: 23,188,268 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.2

Radius: 5.1

Gravity: 32.11 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.96 AU - 7.58 AU

Year: 11947 Days

Day: 24.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,633,900 km

• M1: 64,626 km (0.083 R)
• M2: 235,467 km (0.04 R)
• M3: 869,612 km (0.113 R)
• M4: 1,123,181 km (0.096 R)
• M5: 1,542,055 km (0.067 R)
• M6: 2,040,515 km (0.102 R)
• M7: 2,387,582 km (0.081 R)
• M8: 3,124,950 km (0.091 R)
• M9: 3,375,826 km (0.073 R)
• M10: 4,804,036 km (0.119 R)
• M11: 5,417,238 km (0.047 R)
• M12: 5,596,456 km (0.099 R)
• M13: 6,674,608 km (0.08 R)
• M14: 8,302,532 km (0.077 R)
• M15: 9,386,518 km (0.08 R)
• M16: 12,195,218 km (0.086 R)
• M17: 12,503,540 km (0.083 R)
• M18: 14,124,283 km (0.046 R)
• M19: 16,173,774 km (0.049 R)
• M20: 16,696,618 km (0.118 R)
• M21: 17,153,640 km (0.08 R)
• M22: 20,939,064 km (0.099 R)
• M23: 21,739,563 km (0.117 R)
• M24: 23,686,579 km (0.114 R)
• M25: 32,756,997 km (0.039 R)
• M26: 33,113,638 km (0.116 R)
• M27: 34,689,203 km (0.114 R)
• M28: 36,313,986 km (0.099 R)
• M29: 42,329,466 km (0.105 R)
• M30: 43,178,433 km (0.11 R)
• M31: 43,894,708 km (0.095 R)
• M32: 47,899,443 km (0.073 R)
• M33: 52,302,707 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.5

Radius: 8

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.09 AU - 7.57 AU

Year: 12107 Days

Day: 20.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,633,900 km

• M1: 102,475 km (0.03 R)
• M2: 438,471 km (0.059 R)
• M3: 712,535 km (0.099 R)
• M4: 1,692,999 km (0.099 R)
• M5: 5,252,680 km (0.111 R)
• M6: 11,723,686 km (0.074 R)
• M7: 13,980,819 km (0.052 R)
• M8: 14,921,191 km (0.109 R)
• M9: 17,420,522 km (0.063 R)
• M10: 18,582,898 km (0.043 R)
• M11: 25,914,989 km (0.072 R)
• M12: 34,068,521 km (0.116 R)
• M13: 37,283,380 km (0.035 R)
• M14: 41,452,224 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.9

Radius: 5.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.53 AU - 9.31 AU

Year: 15117 Days

Day: 21.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,633,900 km

• M1: 92,451 km (0.05 R)
• M2: 668,702 km (0.113 R)
• M3: 1,055,862 km (0.085 R)
• M4: 1,246,300 km (0.058 R)
• M5: 4,980,412 km (0.108 R)
• M6: 6,100,900 km (0.116 R)
• M7: 7,930,931 km (0.09 R)
• M8: 9,491,237 km (0.085 R)
• M9: 25,069,162 km (0.096 R)
• M10: 26,901,736 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.9

Radius: 4.3

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.69 AU - 10.75 AU

Year: 22160 Days

Day: 20.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,633,900 km

• M1: 53,855 km (0.083 R)
• M2: 422,764 km (0.12 R)
• M3: 617,390 km (0.063 R)
• M4: 1,338,153 km (0.068 R)
• M5: 2,058,766 km (0.088 R)
• M6: 2,200,136 km (0.109 R)
• M7: 2,348,238 km (0.111 R)
• M8: 2,623,348 km (0.084 R)
• M9: 4,190,087 km (0.097 R)
• M10: 4,331,756 km (0.062 R)
• M11: 5,549,034 km (0.105 R)
• M12: 5,824,443 km (0.065 R)
• M13: 7,504,128 km (0.084 R)
• M14: 8,099,977 km (0.077 R)
• M15: 8,499,253 km (0.104 R)
• M16: 12,584,921 km (0.062 R)
• M17: 13,060,044 km (0.049 R)
• M18: 16,026,270 km (0.105 R)
• M19: 16,303,774 km (0.051 R)
• M20: 16,796,849 km (0.105 R)
• M21: 20,940,112 km (0.094 R)
• M22: 22,546,194 km (0.088 R)
• M23: 24,050,999 km (0.071 R)
• M24: 24,414,672 km (0.085 R)
• M25: 26,191,894 km (0.074 R)
• M26: 32,478,147 km (0.071 R)
• M27: 34,050,570 km (0.076 R)
• M28: 34,624,128 km (0.089 R)
• M29: 34,971,345 km (0.08 R)
• M30: 35,204,119 km (0.1 R)
• M31: 36,622,606 km (0.117 R)
• M32: 39,572,975 km (0.042 R)
• M33: 46,641,624 km (0.035 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: 491 - 13,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit