🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.48 AU - 0.54 AU

Year: 235 Days

Day: 45.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,881,741 km

• M1: 40,990 km (0.097 R)

Asteroid Belt

Center: 0.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.9

Radius: 11

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.16 AU - 1.18 AU

Year: 817 Days

Day: 5.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,881,741 km

• M1: 136,732 km (0.086 R)
• M2: 653,892 km (0.102 R)
• M3: 1,045,988 km (0.074 R)
• M4: 1,434,644 km (0.057 R)
• M5: 2,108,582 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.9

Radius: 9.7

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.14 AU - 1.24 AU

Year: 838 Days

Day: 10.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,881,741 km

• M1: 121,324 km (0.044 R)
• M2: 477,068 km (0.118 R)
• M3: 781,798 km (0.051 R)
• M4: 1,316,461 km (0.111 R)
• M5: 2,646,686 km (0.112 R)
• M6: 2,959,495 km (0.086 R)
• M7: 3,269,162 km (0.086 R)
• M8: 3,875,632 km (0.112 R)
• M9: 4,468,339 km (0.074 R)
• M10: 5,026,189 km (0.12 R)
• M11: 5,731,543 km (0.105 R)
• M12: 6,368,531 km (0.105 R)
• M13: 7,509,813 km (0.089 R)
• M14: 8,457,964 km (0.107 R)
• M15: 8,809,519 km (0.097 R)
• M16: 9,198,923 km (0.084 R)
• M17: 10,042,206 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.5

Radius: 9.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.49 AU - 2.01 AU

Year: 1495 Days

Day: 13 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,881,741 km

• M1: 118,182 km (0.114 R)
• M2: 420,520 km (0.092 R)
• M3: 938,278 km (0.109 R)
• M4: 1,473,389 km (0.1 R)
• M5: 2,524,614 km (0.058 R)
• M6: 4,590,710 km (0.115 R)
• M7: 5,822,499 km (0.062 R)
• M8: 6,893,769 km (0.116 R)
• M9: 8,280,990 km (0.094 R)
• M10: 9,938,086 km (0.092 R)
• M11: 11,158,804 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.7

Radius: 8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.96 AU - 2.82 AU

Year: 2386 Days

Day: 8.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,881,741 km

• M1: 99,483 km (0.104 R)
• M2: 351,555 km (0.074 R)
• M3: 606,919 km (0.064 R)
• M4: 1,213,089 km (0.037 R)
• M5: 1,964,370 km (0.052 R)
• M6: 2,244,118 km (0.113 R)
• M7: 4,190,386 km (0.118 R)
• M8: 4,826,626 km (0.106 R)
• M9: 5,451,047 km (0.112 R)
• M10: 5,948,759 km (0.094 R)
• M11: 8,028,918 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.8

Radius: 12.2

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.2 AU - 2.81 AU

Year: 2552 Days

Day: 8.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,881,741 km

• M1: 151,842 km (0.113 R)
• M2: 680,670 km (0.107 R)
• M3: 1,229,545 km (0.115 R)
• M4: 1,882,988 km (0.116 R)
• M5: 2,516,835 km (0.097 R)
• M6: 3,032,199 km (0.105 R)
• M7: 3,505,527 km (0.084 R)
• M8: 4,340,433 km (0.033 R)
• M9: 5,086,028 km (0.117 R)
• M10: 6,129,324 km (0.116 R)
• M11: 7,098,419 km (0.038 R)
• M12: 8,913,789 km (0.115 R)
• M13: 9,521,605 km (0.039 R)
• M14: 10,042,655 km (0.108 R)
• M15: 11,429,277 km (0.041 R)
• M16: 13,672,797 km (0.044 R)
• M17: 14,144,927 km (0.101 R)
• M18: 14,873,619 km (0.106 R)
• M19: 15,474,553 km (0.118 R)
• M20: 19,425,583 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.3

Radius: 5.5

Gravity: 31.68 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.89 AU - 8.27 AU

Year: 12164 Days

Day: 17.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,881,741 km

• M1: 68,366 km (0.055 R)
• M2: 274,362 km (0.063 R)
• M3: 454,778 km (0.114 R)
• M4: 772,673 km (0.092 R)
• M5: 1,216,829 km (0.107 R)
• M6: 1,436,738 km (0.071 R)
• M7: 1,799,662 km (0.116 R)
• M8: 1,975,589 km (0.105 R)
• M9: 2,241,275 km (0.111 R)
• M10: 3,184,340 km (0.117 R)
• M11: 4,429,593 km (0.09 R)
• M12: 4,919,825 km (0.079 R)
• M13: 5,665,870 km (0.096 R)
• M14: 10,165,026 km (0.074 R)
• M15: 12,986,591 km (0.073 R)
• M16: 13,248,387 km (0.089 R)
• M17: 15,471,561 km (0.113 R)
• M18: 19,339,265 km (0.077 R)
• M19: 19,853,133 km (0.104 R)
• M20: 23,708,121 km (0.076 R)
• M21: 24,694,420 km (0.118 R)
• M22: 26,433,345 km (0.116 R)
• M23: 27,172,508 km (0.059 R)
• M24: 33,466,390 km (0.113 R)
• M25: 34,206,750 km (0.12 R)
• M26: 34,455,980 km (0.105 R)
• M27: 41,226,929 km (0.092 R)
• M28: 44,699,245 km (0.093 R)
• M29: 45,146,543 km (0.08 R)
• M30: 45,898,721 km (0.106 R)
• M31: 46,812,166 km (0.03 R)
• M32: 48,832,934 km (0.098 R)
• M33: 55,758,268 km (0.064 R)
• M34: 60,539,266 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.4

Radius: 5.8

Gravity: 26.2 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.89 AU - 9.29 AU

Year: 14857 Days

Day: 19.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,881,741 km

• M1: 72,106 km (0.069 R)
• M2: 254,167 km (0.052 R)
• M3: 448,195 km (0.037 R)
• M4: 918,830 km (0.108 R)
• M5: 1,921,285 km (0.084 R)
• M6: 2,171,413 km (0.105 R)
• M7: 2,553,636 km (0.037 R)
• M8: 2,737,342 km (0.09 R)
• M9: 3,054,938 km (0.086 R)
• M10: 4,002,341 km (0.06 R)
• M11: 4,315,001 km (0.112 R)
• M12: 5,615,306 km (0.095 R)
• M13: 8,246,882 km (0.113 R)
• M14: 8,599,334 km (0.078 R)
• M15: 11,664,445 km (0.085 R)
• M16: 11,916,966 km (0.088 R)
• M17: 14,212,396 km (0.034 R)
• M18: 17,108,611 km (0.108 R)
• M19: 20,466,784 km (0.116 R)
• M20: 21,963,062 km (0.119 R)
• M21: 22,445,216 km (0.116 R)
• M22: 23,731,757 km (0.071 R)
• M23: 24,035,591 km (0.119 R)
• M24: 24,754,408 km (0.106 R)
• M25: 26,887,225 km (0.09 R)
• M26: 29,023,932 km (0.103 R)
• M27: 29,371,448 km (0.098 R)
• M28: 31,636,509 km (0.104 R)
• M29: 32,874,132 km (0.118 R)
• M30: 37,051,353 km (0.049 R)
• M31: 38,425,859 km (0.096 R)
• M32: 43,353,463 km (0.045 R)
• M33: 44,111,924 km (0.1 R)
• M34: 47,714,839 km (0.094 R)
• M35: 61,387,636 km (0.053 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 19,774 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit