🌌 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: 385.7

Radius: 13.5

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.58 AU - 0.7 AU

Year: 341 Days

Day: 8.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,575,883 km

• M1: 167,849 km (0.097 R)
• M2: 598,990 km (0.091 R)
• M3: 1,260,661 km (0.037 R)
• M4: 1,735,934 km (0.062 R)
• M5: 2,292,438 km (0.101 R)
• M6: 3,682,800 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 14.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.65 AU - 0.79 AU

Year: 407 Days

Day: 7.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,575,883 km

• M1: 182,809 km (0.079 R)
• M2: 699,669 km (0.108 R)
• M3: 1,211,743 km (0.118 R)
• M4: 1,750,445 km (0.071 R)
• M5: 2,212,403 km (0.087 R)
• M6: 2,685,581 km (0.105 R)
• M7: 3,599,325 km (0.096 R)
• M8: 5,849,127 km (0.111 R)

Asteroid Belt

Center: 1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.7

Radius: 10.3

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.02 AU - 1.54 AU

Year: 966 Days

Day: 7.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,575,883 km

• M1: 128,056 km (0.072 R)
• M2: 455,974 km (0.08 R)
• M3: 839,992 km (0.103 R)
• M4: 1,259,614 km (0.106 R)
• M5: 2,588,642 km (0.117 R)
• M6: 2,990,013 km (0.067 R)
• M7: 3,381,361 km (0.11 R)
• M8: 3,834,642 km (0.056 R)
• M9: 4,575,002 km (0.05 R)
• M10: 4,913,243 km (0.117 R)
• M11: 6,319,164 km (0.082 R)
• M12: 7,351,239 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605

Radius: 12.5

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.39 AU - 1.69 AU

Year: 1274 Days

Day: 6.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,575,883 km

• M1: 155,432 km (0.092 R)
• M2: 546,331 km (0.056 R)
• M3: 1,134,251 km (0.113 R)
• M4: 1,583,194 km (0.115 R)
• M5: 1,995,187 km (0.117 R)
• M6: 2,854,477 km (0.087 R)
• M7: 3,369,842 km (0.112 R)
• M8: 4,096,887 km (0.06 R)
• M9: 5,842,545 km (0.116 R)
• M10: 6,376,011 km (0.096 R)
• M11: 6,797,428 km (0.102 R)
• M12: 8,283,683 km (0.074 R)
• M13: 8,757,759 km (0.102 R)
• M14: 9,458,176 km (0.091 R)
• M15: 10,007,649 km (0.099 R)
• M16: 10,740,678 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.2

Radius: 14.8

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.6 AU - 2.62 AU

Year: 2044 Days

Day: 13.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,575,883 km

• M1: 184,005 km (0.026 R)
• M2: 873,652 km (0.109 R)
• M3: 1,722,320 km (0.11 R)
• M4: 2,297,674 km (0.117 R)
• M5: 2,775,788 km (0.059 R)
• M6: 3,307,459 km (0.111 R)
• M7: 3,845,413 km (0.087 R)
• M8: 5,581,197 km (0.118 R)
• M9: 6,219,980 km (0.073 R)
• M10: 8,460,807 km (0.072 R)
• M11: 9,334,309 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514

Radius: 13

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.48 AU - 2.98 AU

Year: 3008 Days

Day: 13.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,575,883 km

• M1: 162,613 km (0.115 R)
• M2: 978,968 km (0.096 R)
• M3: 1,449,903 km (0.11 R)
• M4: 1,882,091 km (0.065 R)
• M5: 2,499,481 km (0.076 R)
• M6: 2,967,872 km (0.098 R)
• M7: 3,423,398 km (0.089 R)
• M8: 3,906,449 km (0.034 R)
• M9: 5,197,778 km (0.098 R)
• M10: 5,636,249 km (0.067 R)
• M11: 6,422,087 km (0.074 R)
• M12: 8,051,956 km (0.11 R)
• M13: 8,911,994 km (0.06 R)
• M14: 9,722,964 km (0.114 R)
• M15: 10,353,519 km (0.094 R)
• M16: 10,893,268 km (0.101 R)
• M17: 12,756,360 km (0.098 R)
• M18: 14,204,767 km (0.104 R)
• M19: 15,262,424 km (0.106 R)
• M20: 16,423,453 km (0.059 R)
• M21: 19,554,237 km (0.028 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.6

Radius: 14.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.05 AU - 3.57 AU

Year: 4016 Days

Day: 12.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,575,883 km

• M1: 185,352 km (0.115 R)
• M2: 758,910 km (0.076 R)
• M3: 1,976,188 km (0.034 R)
• M4: 2,448,468 km (0.036 R)
• M5: 4,143,861 km (0.098 R)
• M6: 5,113,405 km (0.085 R)
• M7: 5,916,895 km (0.072 R)
• M8: 6,973,954 km (0.033 R)
• M9: 13,321,690 km (0.115 R)
• M10: 14,512,340 km (0.114 R)
• M11: 15,328,546 km (0.064 R)
• M12: 17,052,811 km (0.052 R)
• M13: 17,691,295 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40

Radius: 3.7

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.67 AU - 6.49 AU

Year: 9997 Days

Day: 21.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,575,883 km

• M1: 80,484 km (0.096 R)
• M2: 466,446 km (0.099 R)
• M3: 834,457 km (0.114 R)
• M4: 1,224,159 km (0.046 R)
• M5: 2,161,988 km (0.097 R)
• M6: 2,760,530 km (0.085 R)
• M7: 5,750,093 km (0.116 R)
• M8: 6,684,182 km (0.091 R)
• M9: 7,592,092 km (0.07 R)
• M10: 9,470,892 km (0.119 R)
• M11: 14,347,483 km (0.084 R)
• M12: 16,609,403 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.8

Radius: 4.4

Gravity: 38.52 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.31 AU - 11.81 AU

Year: 21278 Days

Day: 19.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,575,883 km

• M1: 54,753 km (0.092 R)
• M2: 255,364 km (0.07 R)
• M3: 420,968 km (0.094 R)
• M4: 622,776 km (0.049 R)
• M5: 922,720 km (0.114 R)
• M6: 1,390,662 km (0.109 R)
• M7: 1,641,537 km (0.109 R)
• M8: 2,413,462 km (0.107 R)
• M9: 3,258,840 km (0.059 R)
• M10: 5,839,254 km (0.071 R)
• M11: 8,041,484 km (0.093 R)
• M12: 9,014,020 km (0.097 R)
• M13: 10,429,365 km (0.086 R)
• M14: 12,468,235 km (0.06 R)
• M15: 14,680,189 km (0.063 R)
• M16: 15,796,488 km (0.107 R)
• M17: 15,960,447 km (0.083 R)
• M18: 20,731,423 km (0.11 R)
• M19: 22,339,300 km (0.084 R)
• M20: 23,068,141 km (0.118 R)
• M21: 25,914,390 km (0.052 R)
• M22: 26,487,350 km (0.043 R)
• M23: 26,951,702 km (0.078 R)
• M24: 28,256,794 km (0.083 R)
• M25: 32,292,047 km (0.103 R)
• M26: 38,148,654 km (0.117 R)
• M27: 40,095,371 km (0.068 R)
• M28: 42,739,812 km (0.084 R)
• M29: 49,415,468 km (0.064 R)
• M30: 55,231,235 km (0.045 R)
• M31: 59,285,786 km (0.104 R)
• M32: 61,284,413 km (0.117 R)
• M33: 62,096,281 km (0.116 R)
• M34: 69,508,407 km (0.105 R)
• M35: 73,997,540 km (0.032 R)
• M36: 76,781,855 km (0.035 R)
• M37: 79,875,838 km (0.049 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: 471 - 15,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit