🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 14.5

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.5 AU - 0.56 AU

Year: 262 Days

Day: 5.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,235,785 km

• M1: 180,864 km (0.082 R)
• M2: 674,686 km (0.079 R)
• M3: 1,227,750 km (0.1 R)
• M4: 2,192,357 km (0.115 R)
• M5: 2,927,930 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.2

Radius: 12.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.98 AU - 1.04 AU

Year: 688 Days

Day: 7.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,235,785 km

• M1: 155,432 km (0.064 R)
• M2: 597,195 km (0.097 R)
• M3: 1,229,844 km (0.052 R)
• M4: 1,638,097 km (0.102 R)
• M5: 2,177,397 km (0.089 R)
• M6: 2,627,088 km (0.086 R)
• M7: 3,164,444 km (0.06 R)
• M8: 3,861,570 km (0.105 R)
• M9: 4,576,199 km (0.112 R)
• M10: 5,303,843 km (0.113 R)
• M11: 5,811,428 km (0.042 R)
• M12: 6,413,410 km (0.065 R)
• M13: 7,416,913 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.2

Radius: 10.3

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.14 AU - 3.34 AU

Year: 3076 Days

Day: 5.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,235,785 km

• M1: 128,205 km (0.111 R)
• M2: 476,619 km (0.081 R)
• M3: 864,376 km (0.047 R)
• M4: 1,467,106 km (0.112 R)
• M5: 1,847,235 km (0.082 R)
• M6: 2,372,173 km (0.066 R)
• M7: 3,009,909 km (0.068 R)
• M8: 3,438,208 km (0.085 R)
• M9: 4,605,071 km (0.118 R)
• M10: 5,244,901 km (0.075 R)
• M11: 5,768,793 km (0.103 R)
• M12: 6,171,660 km (0.101 R)
• M13: 7,090,191 km (0.074 R)
• M14: 8,066,616 km (0.069 R)
• M15: 12,175,023 km (0.063 R)
• M16: 13,440,621 km (0.071 R)
• M17: 14,240,969 km (0.116 R)
• M18: 14,885,138 km (0.115 R)
• M19: 15,985,430 km (0.093 R)
• M20: 16,530,415 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571

Radius: 14.1

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.07 AU - 3.15 AU

Year: 3720 Days

Day: 12.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,235,785 km

• M1: 175,329 km (0.082 R)
• M2: 651,648 km (0.12 R)
• M3: 1,185,414 km (0.091 R)
• M4: 1,818,512 km (0.095 R)
• M5: 2,400,148 km (0.077 R)
• M6: 3,035,490 km (0.06 R)
• M7: 3,761,339 km (0.083 R)
• M8: 4,352,101 km (0.073 R)
• M9: 5,004,348 km (0.075 R)
• M10: 5,721,221 km (0.095 R)
• M11: 6,505,712 km (0.036 R)
• M12: 7,489,019 km (0.104 R)
• M13: 8,569,265 km (0.062 R)
• M14: 9,184,112 km (0.104 R)
• M15: 9,712,343 km (0.118 R)
• M16: 10,221,125 km (0.086 R)
• M17: 10,706,420 km (0.12 R)
• M18: 14,853,573 km (0.108 R)
• M19: 19,226,169 km (0.1 R)
• M20: 20,155,770 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.5

Radius: 11.8

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.67 AU - 4.05 AU

Year: 4177 Days

Day: 10.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,235,785 km

• M1: 162,314 km (0.025 R)
• M2: 734,526 km (0.114 R)
• M3: 1,190,500 km (0.1 R)
• M4: 1,759,720 km (0.089 R)
• M5: 2,538,077 km (0.094 R)
• M6: 3,118,966 km (0.104 R)
• M7: 3,533,502 km (0.088 R)
• M8: 3,962,698 km (0.099 R)
• M9: 4,378,580 km (0.071 R)
• M10: 4,747,488 km (0.063 R)
• M11: 5,326,283 km (0.108 R)
• M12: 6,883,148 km (0.118 R)
• M13: 8,089,505 km (0.041 R)
• M14: 8,685,952 km (0.068 R)
• M15: 10,740,678 km (0.071 R)
• M16: 12,359,626 km (0.09 R)
• M17: 14,781,915 km (0.085 R)
• M18: 15,447,925 km (0.09 R)
• M19: 17,261,201 km (0.108 R)
• M20: 18,823,601 km (0.054 R)
• M21: 19,738,841 km (0.098 R)
• M22: 22,228,299 km (0.095 R)
• M23: 23,102,698 km (0.1 R)
• M24: 27,406,480 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.6

Radius: 8.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.47 AU - 4.53 AU

Year: 5426 Days

Day: 10.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,235,785 km

• M1: 106,962 km (0.084 R)
• M2: 601,982 km (0.025 R)
• M3: 1,196,484 km (0.073 R)
• M4: 1,536,221 km (0.044 R)
• M5: 2,339,711 km (0.117 R)
• M6: 2,711,013 km (0.066 R)
• M7: 3,553,398 km (0.087 R)
• M8: 3,897,773 km (0.094 R)
• M9: 7,445,785 km (0.032 R)
• M10: 8,080,230 km (0.108 R)
• M11: 9,648,763 km (0.055 R)
• M12: 10,160,538 km (0.102 R)
• M13: 10,607,536 km (0.071 R)
• M14: 11,025,363 km (0.088 R)
• M15: 11,453,961 km (0.056 R)
• M16: 13,137,535 km (0.1 R)
• M17: 14,618,854 km (0.077 R)
• M18: 17,444,907 km (0.098 R)
• M19: 19,108,286 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.6

Radius: 14.5

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.68 AU - 4.8 AU

Year: 6999 Days

Day: 9 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,235,785 km

• M1: 180,415 km (0.108 R)
• M2: 734,376 km (0.116 R)
• M3: 1,414,597 km (0.092 R)
• M4: 2,178,893 km (0.094 R)
• M5: 2,821,117 km (0.087 R)
• M6: 4,135,334 km (0.117 R)
• M7: 4,814,658 km (0.112 R)
• M8: 7,726,580 km (0.108 R)
• M9: 8,761,050 km (0.114 R)
• M10: 9,231,834 km (0.108 R)
• M11: 10,353,369 km (0.073 R)
• M12: 11,425,089 km (0.071 R)
• M13: 12,276,300 km (0.085 R)
• M14: 13,220,413 km (0.113 R)
• M15: 17,984,207 km (0.104 R)
• M16: 19,531,498 km (0.087 R)
• M17: 20,542,780 km (0.106 R)
• M18: 21,873,303 km (0.094 R)
• M19: 22,669,613 km (0.069 R)
• M20: 23,260,674 km (0.06 R)
• M21: 28,452,169 km (0.029 R)

Asteroid Belt

Center: 7.02 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.3

Radius: 4

Gravity: 36.52 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.37 AU - 11.21 AU

Year: 19205 Days

Day: 21.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,235,785 km

• M1: 50,414 km (0.095 R)
• M2: 272,717 km (0.115 R)
• M3: 619,634 km (0.106 R)
• M4: 1,944,772 km (0.106 R)
• M5: 2,120,550 km (0.06 R)
• M6: 2,436,949 km (0.101 R)
• M7: 3,576,137 km (0.062 R)
• M8: 6,748,510 km (0.1 R)
• M9: 8,056,893 km (0.108 R)
• M10: 10,979,137 km (0.099 R)
• M11: 12,911,343 km (0.111 R)
• M12: 17,267,334 km (0.111 R)
• M13: 28,260,833 km (0.104 R)
• M14: 28,954,518 km (0.086 R)
• M15: 36,662,997 km (0.11 R)
• M16: 37,487,730 km (0.071 R)
• M17: 58,905,059 km (0.051 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: 207 - 12,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit