🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500

Radius: 13.1

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.57 AU - 0.65 AU

Year: 318 Days

Day: 12.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,455,331 km

• M1: 163,211 km (0.115 R)
• M2: 668,254 km (0.092 R)
• M3: 1,136,794 km (0.065 R)
• M4: 1,685,818 km (0.058 R)
• M5: 2,147,627 km (0.101 R)
• M6: 2,667,779 km (0.065 R)
• M7: 3,129,887 km (0.087 R)
• M8: 4,180,961 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.3

Radius: 9.5

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.23 AU - 1.97 AU

Year: 1350 Days

Day: 11.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,455,331 km

• M1: 118,182 km (0.081 R)
• M2: 448,494 km (0.093 R)
• M3: 764,894 km (0.059 R)
• M4: 1,244,953 km (0.115 R)
• M5: 1,569,282 km (0.074 R)
• M6: 2,049,640 km (0.031 R)
• M7: 2,507,560 km (0.12 R)
• M8: 4,749,882 km (0.07 R)
• M9: 5,099,642 km (0.062 R)
• M10: 6,725,621 km (0.11 R)
• M11: 7,061,917 km (0.091 R)
• M12: 7,382,356 km (0.103 R)
• M13: 7,937,962 km (0.057 R)
• M14: 10,138,547 km (0.116 R)
• M15: 11,180,346 km (0.094 R)
• M16: 12,717,614 km (0.1 R)
• M17: 13,233,128 km (0.067 R)
• M18: 14,011,636 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.1

Radius: 9.4

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.91 AU - 1.95 AU

Year: 1788 Days

Day: 11.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,455,331 km

• M1: 117,135 km (0.107 R)
• M2: 482,603 km (0.113 R)
• M3: 845,677 km (0.119 R)
• M4: 2,636,513 km (0.113 R)
• M5: 3,233,857 km (0.052 R)
• M6: 3,564,917 km (0.059 R)
• M7: 4,047,221 km (0.107 R)
• M8: 4,346,865 km (0.065 R)
• M9: 5,863,339 km (0.084 R)
• M10: 6,536,679 km (0.094 R)
• M11: 7,236,348 km (0.092 R)
• M12: 9,695,438 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.2

Radius: 10.6

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.72 AU - 2.22 AU

Year: 1844 Days

Day: 5.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,455,331 km

• M1: 132,993 km (0.084 R)
• M2: 516,561 km (0.083 R)
• M3: 980,764 km (0.073 R)
• M4: 1,396,646 km (0.092 R)
• M5: 1,807,441 km (0.097 R)
• M6: 2,531,794 km (0.065 R)
• M7: 3,032,947 km (0.109 R)
• M8: 3,377,172 km (0.047 R)
• M9: 3,848,555 km (0.115 R)
• M10: 4,217,014 km (0.107 R)
• M11: 4,628,409 km (0.081 R)
• M12: 5,775,525 km (0.11 R)
• M13: 6,307,944 km (0.105 R)
• M14: 8,360,875 km (0.118 R)
• M15: 8,982,305 km (0.047 R)
• M16: 10,928,274 km (0.116 R)
• M17: 12,868,110 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.7

Radius: 13.4

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.6 AU - 2.48 AU

Year: 1943 Days

Day: 6 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,455,331 km

• M1: 166,951 km (0.103 R)
• M2: 637,287 km (0.082 R)
• M3: 1,412,204 km (0.075 R)
• M4: 2,706,225 km (0.06 R)
• M5: 3,476,804 km (0.037 R)
• M6: 4,038,843 km (0.11 R)
• M7: 4,543,287 km (0.084 R)
• M8: 5,047,881 km (0.113 R)
• M9: 5,612,164 km (0.076 R)
• M10: 6,612,974 km (0.11 R)
• M11: 7,077,026 km (0.088 R)
• M12: 8,303,579 km (0.115 R)
• M13: 9,155,240 km (0.105 R)
• M14: 10,165,175 km (0.091 R)
• M15: 11,356,722 km (0.056 R)
• M16: 11,836,333 km (0.12 R)
• M17: 13,932,947 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.8

Radius: 13.8

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.11 AU - 3.39 AU

Year: 3041 Days

Day: 8.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,455,331 km

• M1: 171,888 km (0.103 R)
• M2: 681,867 km (0.047 R)
• M3: 1,174,792 km (0.059 R)
• M4: 1,696,589 km (0.057 R)
• M5: 2,202,829 km (0.054 R)
• M6: 2,680,195 km (0.106 R)
• M7: 3,226,976 km (0.03 R)
• M8: 4,807,627 km (0.119 R)
• M9: 5,540,956 km (0.119 R)
• M10: 6,435,700 km (0.043 R)
• M11: 7,105,300 km (0.114 R)
• M12: 7,687,236 km (0.081 R)
• M13: 9,207,450 km (0.111 R)
• M14: 9,665,518 km (0.108 R)
• M15: 11,740,890 km (0.051 R)
• M16: 13,701,669 km (0.118 R)
• M17: 15,495,497 km (0.084 R)
• M18: 17,096,643 km (0.078 R)
• M19: 20,303,872 km (0.106 R)
• M20: 22,015,571 km (0.101 R)
• M21: 23,255,587 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.2

Radius: 11.2

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.46 AU - 5.44 AU

Year: 6260 Days

Day: 5.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,455,331 km

• M1: 139,276 km (0.103 R)
• M2: 613,800 km (0.069 R)
• M3: 999,613 km (0.116 R)
• M4: 2,237,386 km (0.105 R)
• M5: 2,914,316 km (0.109 R)
• M6: 3,563,571 km (0.117 R)
• M7: 6,432,409 km (0.082 R)
• M8: 7,993,164 km (0.094 R)
• M9: 8,882,972 km (0.095 R)
• M10: 9,837,706 km (0.099 R)
• M11: 10,811,438 km (0.076 R)
• M12: 12,575,646 km (0.112 R)
• M13: 13,554,165 km (0.105 R)
• M14: 13,948,057 km (0.115 R)
• M15: 15,478,892 km (0.052 R)
• M16: 16,411,485 km (0.082 R)
• M17: 17,249,682 km (0.116 R)
• M18: 20,299,234 km (0.085 R)
• M19: 21,340,585 km (0.108 R)
• M20: 21,721,012 km (0.093 R)
• M21: 22,105,928 km (0.066 R)
• M22: 25,013,213 km (0.119 R)
• M23: 26,998,825 km (0.109 R)
• M24: 28,075,481 km (0.039 R)
• M25: 30,314,213 km (0.057 R)
• M26: 30,698,680 km (0.093 R)
• M27: 34,618,892 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.5

Radius: 7.7

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.36 AU - 10.9 AU

Year: 23112 Days

Day: 20.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,455,331 km

• M1: 95,743 km (0.098 R)
• M2: 337,792 km (0.078 R)
• M3: 642,523 km (0.111 R)
• M4: 1,119,291 km (0.099 R)
• M5: 1,412,952 km (0.115 R)
• M6: 2,668,527 km (0.086 R)
• M7: 3,087,700 km (0.082 R)
• M8: 3,798,440 km (0.064 R)
• M9: 4,505,738 km (0.045 R)
• M10: 5,101,138 km (0.109 R)
• M11: 5,747,999 km (0.109 R)
• M12: 6,448,416 km (0.037 R)
• M13: 7,603,761 km (0.102 R)
• M14: 12,592,251 km (0.066 R)
• M15: 17,832,216 km (0.072 R)
• M16: 19,697,701 km (0.076 R)
• M17: 23,593,978 km (0.073 R)
• M18: 25,492,375 km (0.112 R)
• M19: 26,773,531 km (0.115 R)
• M20: 29,463,899 km (0.103 R)
• M21: 51,464,510 km (0.054 R)
• M22: 52,200,831 km (0.101 R)
• M23: 64,959,584 km (0.112 R)
• M24: 69,783,966 km (0.079 R)
• M25: 70,234,106 km (0.077 R)
• M26: 70,912,831 km (0.081 R)
• M27: 72,975,337 km (0.036 R)
• M28: 74,842,020 km (0.113 R)
• M29: 76,501,210 km (0.077 R)
• M30: 78,184,784 km (0.098 R)
• M31: 81,625,834 km (0.105 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 19,897 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit