🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.47 AU - 0.55 AU

Year: 239 Days

Day: 18.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414

Radius: 12.5

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.67 AU - 0.79 AU

Year: 409 Days

Day: 14.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,476,621 km

• M1: 155,582 km (0.045 R)
• M2: 571,314 km (0.036 R)
• M3: 1,111,811 km (0.067 R)
• M4: 1,512,584 km (0.105 R)
• M5: 1,981,873 km (0.081 R)
• M6: 2,539,573 km (0.085 R)
• M7: 3,066,008 km (0.09 R)
• M8: 3,482,638 km (0.053 R)
• M9: 4,010,869 km (0.088 R)
• M10: 4,715,026 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.5

Radius: 13.2

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.99 AU - 4.09 AU

Year: 4369 Days

Day: 6.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,476,621 km

• M1: 186,997 km (0.116 R)
• M2: 661,671 km (0.064 R)
• M3: 1,599,650 km (0.099 R)
• M4: 2,963,983 km (0.116 R)
• M5: 3,527,667 km (0.083 R)
• M6: 7,495,003 km (0.115 R)
• M7: 8,245,835 km (0.107 R)
• M8: 10,274,083 km (0.091 R)
• M9: 14,801,213 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.4

Radius: 8.9

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.12 AU - 4.46 AU

Year: 4840 Days

Day: 9.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,476,621 km

• M1: 111,450 km (0.093 R)
• M2: 429,047 km (0.107 R)
• M3: 762,052 km (0.114 R)
• M4: 1,102,985 km (0.115 R)
• M5: 1,580,502 km (0.064 R)
• M6: 2,035,129 km (0.119 R)
• M7: 2,400,447 km (0.114 R)
• M8: 3,264,525 km (0.113 R)
• M9: 3,621,914 km (0.111 R)
• M10: 6,840,811 km (0.11 R)
• M11: 7,665,993 km (0.086 R)
• M12: 8,930,843 km (0.067 R)
• M13: 11,914,872 km (0.11 R)
• M14: 12,335,242 km (0.074 R)
• M15: 16,290,311 km (0.099 R)
• M16: 18,491,045 km (0.051 R)
• M17: 19,695,008 km (0.033 R)
• M18: 21,357,639 km (0.084 R)
• M19: 23,039,718 km (0.112 R)
• M20: 25,571,512 km (0.066 R)
• M21: 26,036,761 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.2

Radius: 13.5

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.02 AU - 4.34 AU

Year: 5606 Days

Day: 7.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,476,621 km

• M1: 168,148 km (0.06 R)
• M2: 647,160 km (0.064 R)
• M3: 1,342,491 km (0.061 R)
• M4: 1,967,362 km (0.108 R)
• M5: 2,401,495 km (0.059 R)
• M6: 2,849,241 km (0.085 R)
• M7: 3,667,392 km (0.101 R)
• M8: 4,266,082 km (0.112 R)
• M9: 6,986,819 km (0.108 R)
• M10: 8,877,886 km (0.066 R)
• M11: 10,960,438 km (0.056 R)
• M12: 11,528,311 km (0.065 R)
• M13: 13,253,025 km (0.09 R)
• M14: 14,563,951 km (0.115 R)
• M15: 16,350,150 km (0.063 R)
• M16: 19,328,942 km (0.085 R)
• M17: 19,773,099 km (0.1 R)
• M18: 21,280,596 km (0.064 R)
• M19: 22,793,031 km (0.11 R)
• M20: 24,155,867 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.9

Radius: 9.2

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.28 AU - 5.12 AU

Year: 6684 Days

Day: 5.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,476,621 km

• M1: 114,592 km (0.096 R)
• M2: 418,425 km (0.053 R)
• M3: 775,964 km (0.063 R)
• M4: 1,129,913 km (0.087 R)
• M5: 1,462,319 km (0.097 R)
• M6: 2,077,615 km (0.078 R)
• M7: 3,530,061 km (0.118 R)
• M8: 4,951,989 km (0.09 R)
• M9: 5,283,049 km (0.117 R)
• M10: 6,057,218 km (0.099 R)
• M11: 7,591,194 km (0.099 R)
• M12: 8,704,801 km (0.059 R)
• M13: 10,403,036 km (0.099 R)
• M14: 11,721,442 km (0.092 R)
• M15: 13,319,596 km (0.063 R)
• M16: 18,118,247 km (0.056 R)
• M17: 19,644,145 km (0.044 R)
• M18: 21,018,650 km (0.099 R)
• M19: 21,332,507 km (0.035 R)
• M20: 22,701,926 km (0.112 R)
• M21: 23,032,537 km (0.11 R)
• M22: 24,128,940 km (0.099 R)
• M23: 25,171,637 km (0.094 R)
• M24: 26,425,865 km (0.116 R)
• M25: 28,004,123 km (0.117 R)
• M26: 29,155,428 km (0.114 R)
• M27: 34,838,352 km (0.115 R)
• M28: 37,075,439 km (0.108 R)
• M29: 37,534,106 km (0.104 R)
• M30: 38,697,379 km (0.106 R)

Asteroid Belt

Center: 6.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.8

Radius: 5.3

Gravity: 22.81 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.34 AU - 10.14 AU

Year: 15517 Days

Day: 24.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 45,476,621 km

• M1: 68,815 km (0.088 R)
• M2: 332,706 km (0.115 R)
• M3: 503,247 km (0.077 R)
• M4: 829,520 km (0.105 R)
• M5: 1,580,950 km (0.088 R)
• M6: 1,881,941 km (0.102 R)
• M7: 2,969,967 km (0.061 R)
• M8: 3,245,227 km (0.107 R)
• M9: 3,592,144 km (0.116 R)
• M10: 4,082,975 km (0.079 R)
• M11: 5,376,099 km (0.074 R)
• M12: 6,056,470 km (0.078 R)
• M13: 8,589,311 km (0.051 R)
• M14: 10,282,310 km (0.104 R)
• M15: 11,386,492 km (0.088 R)
• M16: 12,696,222 km (0.088 R)
• M17: 13,154,290 km (0.069 R)
• M18: 13,691,197 km (0.081 R)
• M19: 14,172,902 km (0.112 R)
• M20: 17,703,711 km (0.094 R)
• M21: 20,864,864 km (0.108 R)
• M22: 22,152,901 km (0.1 R)
• M23: 23,590,836 km (0.081 R)
• M24: 34,926,764 km (0.051 R)
• M25: 35,181,829 km (0.086 R)
• M26: 37,801,288 km (0.112 R)
• M27: 40,971,117 km (0.049 R)
• M28: 41,397,321 km (0.062 R)
• M29: 45,974,717 km (0.116 R)
• M30: 46,898,035 km (0.114 R)
• M31: 52,031,785 km (0.118 R)
• M32: 55,770,685 km (0.082 R)
• M33: 61,894,773 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.3

Radius: 7.7

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 10 AU - 12.06 AU

Year: 24031 Days

Day: 23.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,476,621 km

• M1: 96,640 km (0.085 R)
• M2: 559,496 km (0.117 R)
• M3: 1,091,915 km (0.078 R)
• M4: 4,286,428 km (0.099 R)
• M5: 7,482,437 km (0.044 R)
• M6: 9,041,995 km (0.117 R)
• M7: 12,329,857 km (0.108 R)
• M8: 13,990,542 km (0.097 R)
• M9: 14,239,473 km (0.073 R)
• M10: 16,823,178 km (0.106 R)
• M11: 17,461,063 km (0.108 R)
• M12: 24,481,991 km (0.03 R)
• M13: 26,326,383 km (0.086 R)
• M14: 26,897,248 km (0.109 R)
• M15: 37,428,639 km (0.119 R)
• M16: 41,003,430 km (0.096 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: 366 - 18,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit