🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.52 AU - 0.82 AU

Year: 354 Days

Day: 44.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.6

Radius: 13.7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.98 AU - 1.14 AU

Year: 705 Days

Day: 7.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,140,978 km

• M1: 170,392 km (0.067 R)
• M2: 657,333 km (0.085 R)
• M3: 1,105,528 km (0.036 R)
• M4: 1,784,553 km (0.107 R)
• M5: 2,449,067 km (0.088 R)
• M6: 3,662,455 km (0.067 R)
• M7: 4,483,598 km (0.114 R)
• M8: 5,913,305 km (0.098 R)
• M9: 7,023,321 km (0.106 R)
• M10: 8,074,695 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.3

Radius: 8.2

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.47 AU - 2.23 AU

Year: 1625 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,140,978 km

• M1: 102,026 km (0.091 R)
• M2: 401,072 km (0.111 R)
• M3: 999,164 km (0.108 R)
• M4: 1,363,435 km (0.114 R)
• M5: 1,626,877 km (0.028 R)
• M6: 2,236,189 km (0.038 R)
• M7: 2,556,328 km (0.086 R)
• M8: 3,187,482 km (0.111 R)
• M9: 3,786,621 km (0.095 R)
• M10: 5,412,900 km (0.088 R)
• M11: 5,905,077 km (0.09 R)
• M12: 6,450,211 km (0.083 R)
• M13: 6,783,515 km (0.101 R)
• M14: 7,906,247 km (0.09 R)
• M15: 9,508,441 km (0.046 R)
• M16: 10,353,519 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.8

Radius: 9.4

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.9 AU - 4.68 AU

Year: 4764 Days

Day: 10.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,140,978 km

• M1: 116,836 km (0.09 R)
• M2: 460,163 km (0.118 R)
• M3: 869,014 km (0.108 R)
• M4: 1,428,061 km (0.096 R)
• M5: 1,783,955 km (0.04 R)
• M6: 2,159,894 km (0.079 R)
• M7: 3,106,400 km (0.057 R)
• M8: 3,981,996 km (0.108 R)
• M9: 4,392,044 km (0.087 R)
• M10: 4,762,598 km (0.09 R)
• M11: 5,177,732 km (0.104 R)
• M12: 5,591,819 km (0.041 R)
• M13: 5,949,358 km (0.07 R)
• M14: 6,376,609 km (0.096 R)
• M15: 6,682,088 km (0.087 R)
• M16: 10,338,858 km (0.113 R)
• M17: 13,318,100 km (0.088 R)
• M18: 14,050,531 km (0.095 R)
• M19: 16,773,811 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.9

Radius: 5.7

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.21 AU - 7.05 AU

Year: 11023 Days

Day: 16.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,140,978 km

• M1: 71,957 km (0.105 R)
• M2: 281,394 km (0.116 R)
• M3: 729,888 km (0.103 R)
• M4: 1,120,787 km (0.109 R)
• M5: 1,669,811 km (0.077 R)
• M6: 2,209,112 km (0.114 R)
• M7: 2,509,953 km (0.109 R)
• M8: 3,281,728 km (0.036 R)
• M9: 3,919,015 km (0.103 R)
• M10: 4,097,037 km (0.092 R)
• M11: 4,551,814 km (0.118 R)
• M12: 4,921,920 km (0.082 R)
• M13: 5,498,619 km (0.066 R)
• M14: 7,005,818 km (0.12 R)
• M15: 7,268,661 km (0.099 R)
• M16: 8,554,904 km (0.088 R)
• M17: 9,752,584 km (0.105 R)
• M18: 9,939,133 km (0.093 R)
• M19: 10,708,964 km (0.075 R)
• M20: 11,884,204 km (0.049 R)
• M21: 16,974,870 km (0.089 R)
• M22: 18,072,470 km (0.104 R)
• M23: 18,854,119 km (0.075 R)
• M24: 19,216,744 km (0.087 R)
• M25: 23,853,530 km (0.099 R)
• M26: 24,966,837 km (0.099 R)
• M27: 25,668,900 km (0.083 R)
• M28: 26,929,113 km (0.11 R)
• M29: 27,296,525 km (0.098 R)
• M30: 27,760,578 km (0.091 R)
• M31: 27,947,725 km (0.093 R)
• M32: 29,474,969 km (0.087 R)
• M33: 30,755,976 km (0.113 R)
• M34: 31,056,817 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.1

Radius: 7.2

Gravity: 14.82 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.98 AU - 7.78 AU

Year: 11652 Days

Day: 19.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,140,978 km

• M1: 89,609 km (0.109 R)
• M2: 350,508 km (0.099 R)
• M3: 1,460,225 km (0.102 R)
• M4: 1,761,515 km (0.108 R)
• M5: 2,449,815 km (0.106 R)
• M6: 2,701,139 km (0.112 R)
• M7: 3,039,380 km (0.063 R)
• M8: 3,405,596 km (0.061 R)
• M9: 4,497,062 km (0.097 R)
• M10: 5,106,075 km (0.029 R)
• M11: 8,239,103 km (0.077 R)
• M12: 8,519,599 km (0.086 R)
• M13: 9,099,590 km (0.12 R)
• M14: 12,040,235 km (0.063 R)
• M15: 13,083,231 km (0.104 R)
• M16: 13,659,333 km (0.073 R)
• M17: 14,118,897 km (0.094 R)
• M18: 19,461,935 km (0.104 R)
• M19: 20,466,634 km (0.113 R)
• M20: 21,948,551 km (0.09 R)
• M21: 24,065,510 km (0.109 R)
• M22: 25,418,623 km (0.106 R)
• M23: 29,237,857 km (0.102 R)
• M24: 30,332,165 km (0.097 R)
• M25: 32,370,436 km (0.082 R)
• M26: 34,861,540 km (0.107 R)
• M27: 38,119,482 km (0.054 R)
• M28: 39,292,928 km (0.119 R)
• M29: 42,539,501 km (0.107 R)
• M30: 46,253,567 km (0.032 R)
• M31: 47,289,233 km (0.116 R)
• M32: 47,587,980 km (0.094 R)
• M33: 48,947,825 km (0.11 R)
• M34: 54,976,021 km (0.109 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: 435 - 16,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit