🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.9 AU - 3.08 AU

Year: 1496 Days

Day: 24.4 Hours

Environment

Temp: -95 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.45 AU - 3.29 AU

Year: 1851 Days

Day: 39.4 Hours

Environment

Temp: -101 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.6

Radius: 14.2

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.29 AU - 6.35 AU

Year: 4673 Days

Day: 5.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,411,445 km

• M1: 203,154 km (0.111 R)
• M2: 1,246,150 km (0.089 R)
• M3: 2,597,468 km (0.047 R)
• M4: 3,250,163 km (0.061 R)
• M5: 3,757,450 km (0.071 R)
• M6: 4,933,588 km (0.085 R)
• M7: 6,287,898 km (0.108 R)
• M8: 7,595,533 km (0.073 R)
• M9: 8,037,445 km (0.091 R)
• M10: 10,396,005 km (0.049 R)
• M11: 11,181,842 km (0.11 R)
• M12: 11,672,075 km (0.095 R)
• M13: 15,118,810 km (0.037 R)
• M14: 17,289,624 km (0.12 R)
• M15: 19,543,615 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748

Radius: 10.2

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.21 AU - 6.73 AU

Year: 5555 Days

Day: 10.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,411,445 km

• M1: 127,308 km (0.111 R)
• M2: 480,658 km (0.044 R)
• M3: 896,091 km (0.103 R)
• M4: 1,256,921 km (0.066 R)
• M5: 2,082,702 km (0.064 R)
• M6: 2,842,958 km (0.09 R)
• M7: 3,298,184 km (0.081 R)
• M8: 4,084,022 km (0.114 R)
• M9: 4,665,359 km (0.087 R)
• M10: 5,594,811 km (0.035 R)
• M11: 6,677,151 km (0.079 R)
• M12: 7,931,380 km (0.092 R)
• M13: 10,482,472 km (0.097 R)
• M14: 13,921,279 km (0.084 R)
• M15: 15,473,955 km (0.076 R)
• M16: 19,890,832 km (0.111 R)
• M17: 22,157,988 km (0.096 R)
• M18: 23,629,732 km (0.051 R)
• M19: 24,429,931 km (0.073 R)
• M20: 25,747,888 km (0.112 R)
• M21: 28,794,897 km (0.08 R)
• M22: 29,157,822 km (0.09 R)
• M23: 29,615,741 km (0.053 R)
• M24: 31,399,546 km (0.106 R)
• M25: 31,977,442 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.3

Radius: 11.9

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.58 AU - 8.02 AU

Year: 7511 Days

Day: 6.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,411,445 km

• M1: 152,291 km (0.098 R)
• M2: 625,768 km (0.095 R)
• M3: 1,015,470 km (0.111 R)
• M4: 1,599,052 km (0.055 R)
• M5: 2,204,175 km (0.052 R)
• M6: 2,623,199 km (0.119 R)
• M7: 4,518,155 km (0.109 R)
• M8: 4,919,975 km (0.106 R)
• M9: 5,704,167 km (0.076 R)
• M10: 7,820,079 km (0.104 R)
• M11: 9,138,336 km (0.117 R)
• M12: 10,414,555 km (0.112 R)
• M13: 10,881,151 km (0.093 R)
• M14: 12,365,461 km (0.084 R)
• M15: 12,888,904 km (0.108 R)
• M16: 14,092,867 km (0.108 R)
• M17: 16,037,490 km (0.037 R)
• M18: 16,471,922 km (0.042 R)
• M19: 18,088,028 km (0.114 R)
• M20: 21,633,498 km (0.115 R)
• M21: 23,728,915 km (0.066 R)
• M22: 29,414,681 km (0.082 R)
• M23: 32,571,795 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.9

Radius: 10.7

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.17 AU - 10.25 AU

Year: 11522 Days

Day: 13.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,411,445 km

• M1: 135,685 km (0.097 R)
• M2: 478,863 km (0.089 R)
• M3: 847,472 km (0.107 R)
• M4: 1,181,374 km (0.115 R)
• M5: 1,879,548 km (0.079 R)
• M6: 2,312,933 km (0.117 R)
• M7: 3,009,760 km (0.115 R)
• M8: 4,140,869 km (0.11 R)
• M9: 7,637,719 km (0.092 R)
• M10: 9,033,168 km (0.097 R)
• M11: 11,075,778 km (0.095 R)
• M12: 11,462,638 km (0.061 R)
• M13: 12,558,292 km (0.046 R)
• M14: 13,101,034 km (0.088 R)
• M15: 14,559,463 km (0.025 R)
• M16: 18,174,795 km (0.118 R)
• M17: 19,582,062 km (0.115 R)
• M18: 22,086,929 km (0.043 R)
• M19: 22,524,203 km (0.111 R)
• M20: 24,610,795 km (0.119 R)
• M21: 31,529,247 km (0.074 R)
• M22: 37,372,989 km (0.072 R)
• M23: 43,215,683 km (0.112 R)
• M24: 44,038,023 km (0.088 R)
• M25: 44,591,984 km (0.062 R)
• M26: 46,424,558 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.5

Radius: 12.2

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.73 AU - 11.89 AU

Year: 11700 Days

Day: 14.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,411,445 km

• M1: 151,842 km (0.088 R)
• M2: 573,409 km (0.078 R)
• M3: 1,326,933 km (0.094 R)
• M4: 2,080,158 km (0.095 R)
• M5: 2,869,138 km (0.113 R)
• M6: 4,074,747 km (0.098 R)
• M7: 6,072,477 km (0.08 R)
• M8: 6,782,169 km (0.046 R)
• M9: 18,555,073 km (0.062 R)
• M10: 22,529,589 km (0.083 R)
• M11: 25,407,553 km (0.025 R)
• M12: 25,808,924 km (0.111 R)
• M13: 38,318,896 km (0.032 R)
• M14: 40,597,571 km (0.09 R)
• M15: 41,979,406 km (0.055 R)
• M16: 44,255,388 km (0.054 R)
• M17: 47,669,361 km (0.082 R)
• M18: 51,095,452 km (0.08 R)
• M19: 52,219,231 km (0.114 R)
• M20: 57,912,776 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.7

Radius: 6.9

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 11.97 AU - 16.29 AU

Year: 20226 Days

Day: 17.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,411,445 km

• M1: 86,168 km (0.115 R)
• M2: 316,998 km (0.087 R)
• M3: 559,795 km (0.079 R)
• M4: 794,664 km (0.078 R)
• M5: 1,023,399 km (0.06 R)
• M6: 1,368,521 km (0.104 R)
• M7: 1,685,370 km (0.084 R)
• M8: 1,954,347 km (0.099 R)
• M9: 2,231,252 km (0.081 R)
• M10: 2,791,347 km (0.068 R)
• M11: 4,548,673 km (0.052 R)
• M12: 5,677,987 km (0.051 R)
• M13: 6,328,888 km (0.053 R)
• M14: 7,826,811 km (0.118 R)
• M15: 8,632,246 km (0.027 R)
• M16: 12,544,679 km (0.12 R)
• M17: 14,074,467 km (0.087 R)
• M18: 14,809,142 km (0.083 R)
• M19: 15,492,206 km (0.096 R)
• M20: 16,839,185 km (0.098 R)
• M21: 19,764,123 km (0.059 R)
• M22: 20,405,748 km (0.089 R)
• M23: 21,634,096 km (0.119 R)
• M24: 22,810,983 km (0.069 R)
• M25: 24,445,788 km (0.071 R)
• M26: 25,722,007 km (0.118 R)
• M27: 26,376,498 km (0.079 R)
• M28: 34,985,706 km (0.059 R)
• M29: 42,360,731 km (0.085 R)
• M30: 45,611,344 km (0.106 R)
• M31: 47,216,080 km (0.111 R)
• M32: 47,704,816 km (0.11 R)
• M33: 48,526,707 km (0.112 R)
• M34: 49,525,422 km (0.108 R)
• M35: 54,546,675 km (0.065 R)
• M36: 64,780,964 km (0.079 R)
• M37: 70,771,461 km (0.065 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 12,271 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit