🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.9

Radius: 8.3

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.73 AU - 1.01 AU

Year: 560 Days

Day: 5.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,972,539 km

• M1: 108,758 km (0.044 R)
• M2: 437,424 km (0.057 R)
• M3: 888,611 km (0.118 R)
• M4: 1,259,315 km (0.061 R)
• M5: 1,920,238 km (0.117 R)
• M6: 2,514,142 km (0.113 R)
• M7: 2,942,889 km (0.09 R)
• M8: 3,568,059 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.3

Radius: 11.5

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.12 AU - 1.32 AU

Year: 930 Days

Day: 9.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,972,539 km

• M1: 143,016 km (0.068 R)
• M2: 547,379 km (0.043 R)
• M3: 917,484 km (0.055 R)
• M4: 1,312,422 km (0.101 R)
• M5: 1,750,145 km (0.064 R)
• M6: 2,147,029 km (0.06 R)
• M7: 2,676,755 km (0.088 R)
• M8: 3,072,740 km (0.091 R)
• M9: 4,130,696 km (0.07 R)
• M10: 4,752,874 km (0.109 R)
• M11: 5,182,519 km (0.055 R)
• M12: 6,077,114 km (0.117 R)
• M13: 6,652,468 km (0.061 R)
• M14: 7,191,319 km (0.081 R)
• M15: 7,759,193 km (0.12 R)
• M16: 9,703,067 km (0.038 R)
• M17: 10,152,011 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.9

Radius: 9.2

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.33 AU - 1.85 AU

Year: 1384 Days

Day: 6.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,972,539 km

• M1: 114,742 km (0.076 R)
• M2: 565,181 km (0.073 R)
• M3: 1,227,899 km (0.114 R)
• M4: 2,165,280 km (0.069 R)
• M5: 2,603,452 km (0.106 R)
• M6: 2,963,384 km (0.059 R)
• M7: 3,520,337 km (0.103 R)
• M8: 3,880,419 km (0.084 R)
• M9: 4,583,828 km (0.107 R)
• M10: 5,111,310 km (0.052 R)
• M11: 5,616,054 km (0.106 R)
• M12: 6,175,849 km (0.072 R)
• M13: 6,939,396 km (0.11 R)
• M14: 7,609,894 km (0.084 R)
• M15: 8,000,644 km (0.096 R)
• M16: 9,699,477 km (0.106 R)
• M17: 10,569,389 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.3

Radius: 13.2

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.62 AU - 3.38 AU

Year: 3587 Days

Day: 14.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,972,539 km

• M1: 164,857 km (0.047 R)
• M2: 819,497 km (0.117 R)
• M3: 1,263,204 km (0.047 R)
• M4: 1,764,058 km (0.039 R)
• M5: 3,162,050 km (0.064 R)
• M6: 3,572,846 km (0.103 R)
• M7: 4,807,926 km (0.063 R)
• M8: 6,814,033 km (0.105 R)
• M9: 7,570,999 km (0.043 R)
• M10: 13,828,827 km (0.052 R)
• M11: 14,477,932 km (0.099 R)
• M12: 15,944,889 km (0.112 R)
• M13: 17,508,785 km (0.095 R)
• M14: 19,050,541 km (0.074 R)
• M15: 20,360,569 km (0.06 R)
• M16: 23,579,168 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.8

Radius: 13.7

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4 AU - 6.28 AU

Year: 8044 Days

Day: 5.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,972,539 km

• M1: 171,439 km (0.082 R)
• M2: 1,004,251 km (0.098 R)
• M3: 1,565,093 km (0.086 R)
• M4: 2,041,413 km (0.107 R)
• M5: 3,581,074 km (0.115 R)
• M6: 5,427,261 km (0.083 R)
• M7: 6,070,981 km (0.104 R)
• M8: 6,956,600 km (0.094 R)
• M9: 7,800,482 km (0.118 R)
• M10: 9,310,672 km (0.036 R)
• M11: 10,185,221 km (0.116 R)
• M12: 11,599,071 km (0.096 R)
• M13: 14,240,521 km (0.094 R)
• M14: 16,835,146 km (0.111 R)
• M15: 18,580,355 km (0.1 R)
• M16: 21,420,171 km (0.047 R)
• M17: 22,173,097 km (0.119 R)
• M18: 22,770,741 km (0.104 R)
• M19: 23,643,345 km (0.083 R)
• M20: 26,394,899 km (0.117 R)
• M21: 33,188,138 km (0.049 R)
• M22: 37,464,543 km (0.054 R)
• M23: 40,680,747 km (0.116 R)
• M24: 42,748,938 km (0.058 R)
• M25: 44,480,234 km (0.083 R)

Asteroid Belt

Center: 5.52 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.9

Radius: 4.7

Gravity: 38.34 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.28 AU - 6.52 AU

Year: 9892 Days

Day: 23.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,972,539 km

• M1: 58,642 km (0.076 R)
• M2: 213,925 km (0.117 R)
• M3: 616,642 km (0.076 R)
• M4: 763,697 km (0.069 R)
• M5: 1,073,814 km (0.066 R)
• M6: 1,435,840 km (0.116 R)
• M7: 1,976,487 km (0.106 R)
• M8: 2,992,556 km (0.095 R)
• M9: 3,299,082 km (0.085 R)
• M10: 5,355,155 km (0.108 R)
• M11: 5,525,996 km (0.074 R)
• M12: 7,190,422 km (0.085 R)
• M13: 7,568,007 km (0.025 R)
• M14: 8,136,329 km (0.095 R)
• M15: 8,408,148 km (0.035 R)
• M16: 10,696,846 km (0.088 R)
• M17: 12,158,268 km (0.032 R)
• M18: 14,394,606 km (0.105 R)
• M19: 16,817,793 km (0.11 R)
• M20: 20,899,571 km (0.106 R)
• M21: 22,630,717 km (0.095 R)
• M22: 22,808,888 km (0.101 R)
• M23: 26,081,042 km (0.071 R)
• M24: 26,770,988 km (0.098 R)
• M25: 28,084,457 km (0.038 R)
• M26: 29,123,564 km (0.112 R)
• M27: 31,610,479 km (0.096 R)
• M28: 31,833,230 km (0.082 R)
• M29: 33,076,987 km (0.115 R)
• M30: 36,632,928 km (0.048 R)
• M31: 41,625,608 km (0.116 R)
• M32: 42,431,790 km (0.104 R)
• M33: 42,838,846 km (0.067 R)
• M34: 44,632,674 km (0.065 R)
• M35: 46,619,783 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.9

Radius: 5

Gravity: 36.12 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.18 AU - 6.8 AU

Year: 10119 Days

Day: 18.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,972,539 km

• M1: 62,532 km (0.097 R)
• M2: 251,624 km (0.064 R)
• M3: 460,612 km (0.118 R)
• M4: 633,248 km (0.096 R)
• M5: 1,434,344 km (0.085 R)
• M6: 1,638,396 km (0.109 R)
• M7: 2,551,392 km (0.053 R)
• M8: 2,830,093 km (0.114 R)
• M9: 3,200,796 km (0.086 R)
• M10: 4,298,396 km (0.088 R)
• M11: 4,569,317 km (0.118 R)
• M12: 5,877,102 km (0.056 R)
• M13: 6,636,311 km (0.106 R)
• M14: 7,205,381 km (0.115 R)
• M15: 7,501,735 km (0.092 R)
• M16: 8,721,855 km (0.075 R)
• M17: 9,058,600 km (0.056 R)
• M18: 9,404,021 km (0.115 R)
• M19: 10,279,169 km (0.105 R)
• M20: 11,151,324 km (0.09 R)
• M21: 12,309,661 km (0.092 R)
• M22: 17,143,168 km (0.11 R)
• M23: 18,055,266 km (0.073 R)
• M24: 19,240,381 km (0.09 R)
• M25: 20,225,183 km (0.115 R)
• M26: 26,347,626 km (0.081 R)
• M27: 30,206,353 km (0.101 R)
• M28: 30,534,870 km (0.073 R)
• M29: 33,132,488 km (0.063 R)
• M30: 39,933,955 km (0.101 R)
• M31: 40,727,721 km (0.03 R)
• M32: 42,621,032 km (0.105 R)
• M33: 43,868,528 km (0.053 R)
• M34: 50,013,560 km (0.065 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 15,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit