🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.46 AU - 0.7 AU

Year: 285 Days

Day: 32.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,722,717 km

• M1: 593,604 km (0.114 R)

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.2

Radius: 10.1

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.09 AU - 1.19 AU

Year: 786 Days

Day: 10.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,722,717 km

• M1: 128,505 km (0.113 R)
• M2: 486,193 km (0.074 R)
• M3: 910,602 km (0.075 R)
• M4: 1,274,125 km (0.119 R)
• M5: 1,710,352 km (0.088 R)
• M6: 2,998,241 km (0.086 R)
• M7: 4,622,873 km (0.119 R)
• M8: 6,942,239 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.1

Radius: 10.6

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.75 AU - 2.87 AU

Year: 3041 Days

Day: 5.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,722,717 km

• M1: 131,945 km (0.07 R)
• M2: 482,752 km (0.071 R)
• M3: 1,057,358 km (0.04 R)
• M4: 1,608,925 km (0.073 R)
• M5: 2,872,728 km (0.057 R)
• M6: 3,219,346 km (0.114 R)
• M7: 3,652,582 km (0.104 R)
• M8: 4,342,377 km (0.073 R)
• M9: 4,896,937 km (0.114 R)
• M10: 5,394,649 km (0.08 R)
• M11: 5,980,923 km (0.089 R)
• M12: 7,155,266 km (0.088 R)
• M13: 8,867,863 km (0.046 R)
• M14: 9,233,330 km (0.092 R)
• M15: 10,471,103 km (0.093 R)
• M16: 13,320,793 km (0.097 R)
• M17: 14,045,295 km (0.076 R)
• M18: 14,442,328 km (0.111 R)
• M19: 17,548,877 km (0.057 R)
• M20: 20,184,343 km (0.089 R)
• M21: 20,754,161 km (0.111 R)
• M22: 21,334,751 km (0.07 R)
• M23: 21,793,717 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.6

Radius: 11.7

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.98 AU - 4.22 AU

Year: 4410 Days

Day: 10.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,722,717 km

• M1: 157,975 km (0.1 R)
• M2: 1,575,266 km (0.12 R)
• M3: 2,303,508 km (0.098 R)
• M4: 2,971,163 km (0.117 R)
• M5: 3,744,435 km (0.102 R)
• M6: 5,612,613 km (0.111 R)
• M7: 6,280,867 km (0.08 R)
• M8: 11,086,848 km (0.111 R)
• M9: 13,396,340 km (0.117 R)
• M10: 16,062,323 km (0.1 R)
• M11: 18,424,175 km (0.064 R)
• M12: 19,538,230 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.4

Radius: 14.6

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.07 AU - 4.13 AU

Year: 5360 Days

Day: 7.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,722,717 km

• M1: 181,612 km (0.104 R)
• M2: 700,118 km (0.117 R)
• M3: 1,299,557 km (0.087 R)
• M4: 1,871,320 km (0.068 R)
• M5: 2,429,021 km (0.025 R)
• M6: 2,965,628 km (0.095 R)
• M7: 3,754,009 km (0.063 R)
• M8: 4,859,986 km (0.117 R)
• M9: 8,925,159 km (0.107 R)
• M10: 10,001,515 km (0.101 R)
• M11: 11,116,319 km (0.096 R)
• M12: 12,461,802 km (0.12 R)
• M13: 13,487,445 km (0.068 R)
• M14: 14,129,519 km (0.053 R)
• M15: 16,478,205 km (0.056 R)
• M16: 17,587,623 km (0.073 R)
• M17: 19,010,449 km (0.099 R)
• M18: 24,283,474 km (0.076 R)
• M19: 27,296,375 km (0.117 R)
• M20: 29,736,167 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.4

Radius: 11.8

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.61 AU - 6.81 AU

Year: 8810 Days

Day: 12.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,722,717 km

• M1: 147,055 km (0.079 R)
• M2: 529,427 km (0.085 R)
• M3: 1,986,660 km (0.061 R)
• M4: 2,433,509 km (0.111 R)
• M5: 2,822,463 km (0.107 R)
• M6: 4,140,869 km (0.116 R)
• M7: 6,285,055 km (0.069 R)
• M8: 7,456,855 km (0.062 R)
• M9: 7,947,686 km (0.079 R)
• M10: 8,416,376 km (0.098 R)
• M11: 8,903,616 km (0.066 R)
• M12: 10,428,916 km (0.071 R)
• M13: 11,201,141 km (0.036 R)
• M14: 12,289,465 km (0.056 R)
• M15: 13,150,999 km (0.072 R)
• M16: 14,802,709 km (0.083 R)
• M17: 15,978,100 km (0.106 R)
• M18: 18,001,411 km (0.111 R)
• M19: 18,736,984 km (0.114 R)
• M20: 19,955,608 km (0.043 R)
• M21: 24,370,840 km (0.113 R)
• M22: 25,914,690 km (0.111 R)
• M23: 28,697,210 km (0.092 R)
• M24: 30,832,570 km (0.108 R)
• M25: 32,745,478 km (0.062 R)
• M26: 33,510,372 km (0.079 R)
• M27: 34,623,530 km (0.094 R)
• M28: 35,075,764 km (0.119 R)
• M29: 35,876,412 km (0.109 R)
• M30: 42,211,283 km (0.093 R)
• M31: 42,597,844 km (0.088 R)
• M32: 42,986,948 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.7

Radius: 5.6

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.35 AU - 8.69 AU

Year: 14665 Days

Day: 17.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,722,717 km

• M1: 69,713 km (0.108 R)
• M2: 1,525,150 km (0.095 R)
• M3: 2,554,832 km (0.082 R)
• M4: 10,257,627 km (0.104 R)
• M5: 13,150,999 km (0.099 R)
• M6: 14,972,652 km (0.109 R)
• M7: 17,493,077 km (0.045 R)
• M8: 19,689,473 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.1

Radius: 5.9

Gravity: 19.39 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 6.31 AU - 10.03 AU

Year: 15078 Days

Day: 16.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,722,717 km

• M1: 73,602 km (0.074 R)
• M2: 284,834 km (0.114 R)
• M3: 796,609 km (0.106 R)
• M4: 1,112,260 km (0.052 R)
• M5: 1,320,201 km (0.11 R)
• M6: 1,601,296 km (0.093 R)
• M7: 3,377,172 km (0.095 R)
• M8: 3,648,542 km (0.053 R)
• M9: 3,905,252 km (0.108 R)
• M10: 4,486,739 km (0.063 R)
• M11: 5,520,012 km (0.101 R)
• M12: 6,619,407 km (0.063 R)
• M13: 7,580,274 km (0.115 R)
• M14: 9,190,844 km (0.09 R)
• M15: 9,666,865 km (0.082 R)
• M16: 10,103,691 km (0.093 R)
• M17: 13,605,627 km (0.105 R)
• M18: 16,342,969 km (0.056 R)
• M19: 16,962,753 km (0.088 R)
• M20: 17,598,095 km (0.098 R)
• M21: 18,747,755 km (0.082 R)
• M22: 19,512,798 km (0.08 R)
• M23: 23,262,768 km (0.09 R)
• M24: 26,822,001 km (0.06 R)
• M25: 32,633,429 km (0.066 R)
• M26: 32,876,974 km (0.107 R)
• M27: 34,238,465 km (0.088 R)
• M28: 35,124,234 km (0.086 R)
• M29: 37,205,888 km (0.072 R)
• M30: 40,480,436 km (0.044 R)
• M31: 42,332,009 km (0.043 R)
• M32: 45,289,559 km (0.097 R)
• M33: 50,303,481 km (0.105 R)
• M34: 50,955,129 km (0.071 R)
• M35: 54,983,501 km (0.047 R)
• M36: 60,128,171 km (0.07 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 16,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit