🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632

Radius: 11.3

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.77 AU - 0.87 AU

Year: 504 Days

Day: 7.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,616,750 km

• M1: 140,772 km (0.112 R)
• M2: 547,827 km (0.089 R)
• M3: 909,106 km (0.117 R)
• M4: 1,342,192 km (0.114 R)
• M5: 1,756,728 km (0.115 R)
• M6: 2,140,746 km (0.061 R)
• M7: 2,713,855 km (0.082 R)
• M8: 3,314,939 km (0.079 R)
• M9: 4,632,148 km (0.043 R)
• M10: 5,227,398 km (0.094 R)
• M11: 6,087,885 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355

Radius: 12.4

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.98 AU - 1.02 AU

Year: 678 Days

Day: 14.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,616,750 km

• M1: 154,235 km (0.083 R)
• M2: 545,284 km (0.068 R)
• M3: 935,286 km (0.1 R)
• M4: 1,531,134 km (0.09 R)
• M5: 2,084,646 km (0.066 R)
• M6: 2,496,489 km (0.045 R)
• M7: 3,574,641 km (0.119 R)
• M8: 4,354,944 km (0.115 R)
• M9: 4,863,427 km (0.057 R)
• M10: 5,311,622 km (0.085 R)
• M11: 5,999,922 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.4

Radius: 15

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.95 AU - 1.49 AU

Year: 914 Days

Day: 13.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,616,750 km

• M1: 190,139 km (0.051 R)
• M2: 690,544 km (0.105 R)
• M3: 1,238,072 km (0.064 R)
• M4: 1,732,044 km (0.088 R)
• M5: 2,405,384 km (0.067 R)
• M6: 3,180,900 km (0.098 R)
• M7: 4,053,205 km (0.068 R)
• M8: 5,392,704 km (0.098 R)
• M9: 6,252,892 km (0.092 R)
• M10: 7,034,241 km (0.051 R)
• M11: 7,523,726 km (0.101 R)
• M12: 8,354,592 km (0.106 R)
• M13: 9,217,174 km (0.107 R)
• M14: 10,448,364 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.6

Radius: 13.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.58 AU - 2.5 AU

Year: 1976 Days

Day: 6.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,616,750 km

• M1: 167,998 km (0.05 R)
• M2: 964,757 km (0.069 R)
• M3: 1,410,858 km (0.11 R)
• M4: 2,306,201 km (0.12 R)
• M5: 3,076,331 km (0.097 R)
• M6: 4,223,447 km (0.091 R)
• M7: 4,777,258 km (0.109 R)
• M8: 6,399,049 km (0.065 R)
• M9: 8,256,606 km (0.102 R)
• M10: 10,115,658 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.5

Radius: 8.6

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.27 AU - 2.55 AU

Year: 2538 Days

Day: 11.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,616,750 km

• M1: 106,962 km (0.094 R)
• M2: 477,965 km (0.077 R)
• M3: 784,342 km (0.091 R)
• M4: 1,056,909 km (0.079 R)
• M5: 1,385,426 km (0.101 R)
• M6: 1,668,615 km (0.084 R)
• M7: 1,945,520 km (0.093 R)
• M8: 2,445,626 km (0.111 R)
• M9: 2,733,602 km (0.088 R)
• M10: 3,029,058 km (0.071 R)
• M11: 3,345,906 km (0.096 R)
• M12: 3,755,355 km (0.099 R)
• M13: 4,159,569 km (0.056 R)
• M14: 4,674,784 km (0.034 R)
• M15: 5,343,786 km (0.117 R)
• M16: 6,581,409 km (0.086 R)
• M17: 8,330,956 km (0.117 R)
• M18: 8,796,953 km (0.095 R)
• M19: 12,320,581 km (0.104 R)
• M20: 13,508,389 km (0.103 R)
• M21: 13,806,088 km (0.109 R)
• M22: 14,770,695 km (0.104 R)
• M23: 15,178,050 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.8

Radius: 13.6

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.21 AU - 3.71 AU

Year: 4365 Days

Day: 12 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,616,750 km

• M1: 169,195 km (0.088 R)
• M2: 600,486 km (0.03 R)
• M3: 1,026,241 km (0.085 R)
• M4: 1,989,053 km (0.044 R)
• M5: 2,582,508 km (0.119 R)
• M6: 3,053,442 km (0.104 R)
• M7: 3,810,407 km (0.103 R)
• M8: 4,297,049 km (0.095 R)
• M9: 4,964,106 km (0.118 R)
• M10: 6,039,864 km (0.116 R)
• M11: 6,996,244 km (0.079 R)
• M12: 7,480,193 km (0.029 R)
• M13: 8,927,552 km (0.072 R)
• M14: 9,829,178 km (0.083 R)
• M15: 10,437,443 km (0.049 R)
• M16: 12,111,743 km (0.109 R)
• M17: 12,546,025 km (0.087 R)
• M18: 14,436,344 km (0.089 R)
• M19: 14,924,931 km (0.056 R)
• M20: 15,576,579 km (0.082 R)
• M21: 16,563,027 km (0.089 R)
• M22: 19,065,501 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.6

Radius: 14.9

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.44 AU - 3.88 AU

Year: 4749 Days

Day: 7.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,616,750 km

• M1: 185,950 km (0.117 R)
• M2: 767,138 km (0.064 R)
• M3: 1,310,777 km (0.117 R)
• M4: 1,911,562 km (0.113 R)
• M5: 2,635,914 km (0.076 R)
• M6: 3,222,488 km (0.085 R)
• M7: 4,256,658 km (0.077 R)
• M8: 6,064,249 km (0.097 R)
• M9: 7,485,578 km (0.117 R)
• M10: 7,984,637 km (0.094 R)
• M11: 9,835,761 km (0.105 R)
• M12: 14,136,251 km (0.035 R)
• M13: 16,410,438 km (0.099 R)
• M14: 17,095,147 km (0.044 R)
• M15: 18,919,344 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.4

Radius: 7.5

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.48 AU - 6.6 AU

Year: 10068 Days

Day: 22.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,616,750 km

• M1: 95,593 km (0.111 R)
• M2: 396,434 km (0.059 R)
• M3: 723,156 km (0.079 R)
• M4: 1,095,356 km (0.069 R)
• M5: 1,703,621 km (0.118 R)
• M6: 2,352,127 km (0.092 R)
• M7: 3,023,822 km (0.049 R)
• M8: 5,288,434 km (0.081 R)
• M9: 5,609,771 km (0.082 R)
• M10: 6,689,269 km (0.089 R)
• M11: 7,818,882 km (0.08 R)
• M12: 11,587,253 km (0.067 R)
• M13: 14,225,860 km (0.049 R)
• M14: 14,848,486 km (0.091 R)
• M15: 16,214,614 km (0.094 R)
• M16: 17,310,269 km (0.111 R)
• M17: 21,615,696 km (0.106 R)
• M18: 34,214,828 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.5

Radius: 3.6

Gravity: 53.36 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.32 AU - 8.56 AU

Year: 12400 Days

Day: 22.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,616,750 km

• M1: 45,029 km (0.092 R)
• M2: 187,297 km (0.088 R)
• M3: 317,147 km (0.101 R)
• M4: 932,144 km (0.075 R)
• M5: 1,223,411 km (0.09 R)
• M6: 1,439,730 km (0.065 R)
• M7: 1,930,860 km (0.102 R)
• M8: 2,442,784 km (0.093 R)
• M9: 3,701,351 km (0.106 R)
• M10: 4,704,554 km (0.104 R)
• M11: 5,337,502 km (0.05 R)
• M12: 5,548,735 km (0.111 R)
• M13: 6,101,200 km (0.066 R)
• M14: 8,632,096 km (0.101 R)
• M15: 11,963,192 km (0.049 R)
• M16: 13,910,956 km (0.091 R)
• M17: 15,415,013 km (0.12 R)
• M18: 16,723,396 km (0.081 R)
• M19: 17,328,071 km (0.055 R)
• M20: 19,976,552 km (0.071 R)
• M21: 21,795,363 km (0.099 R)
• M22: 24,292,001 km (0.111 R)
• M23: 24,969,081 km (0.09 R)
• M24: 28,437,508 km (0.047 R)
• M25: 29,954,281 km (0.096 R)
• M26: 34,462,712 km (0.08 R)
• M27: 37,067,809 km (0.08 R)
• M28: 37,706,742 km (0.118 R)
• M29: 44,938,452 km (0.097 R)
• M30: 52,398,150 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.4

Radius: 5.2

Gravity: 22.68 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 7.63 AU - 10.23 AU

Year: 18100 Days

Day: 22.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,616,750 km

• M1: 65,225 km (0.064 R)
• M2: 389,702 km (0.048 R)
• M3: 655,239 km (0.074 R)
• M4: 1,311,674 km (0.112 R)
• M5: 2,505,914 km (0.119 R)
• M6: 3,650,936 km (0.067 R)
• M7: 3,885,954 km (0.097 R)
• M8: 5,071,368 km (0.086 R)
• M9: 5,253,129 km (0.102 R)
• M10: 6,479,533 km (0.119 R)
• M11: 7,001,779 km (0.065 R)
• M12: 7,181,895 km (0.072 R)
• M13: 7,645,947 km (0.099 R)
• M14: 7,933,773 km (0.1 R)
• M15: 10,680,241 km (0.056 R)
• M16: 11,161,796 km (0.092 R)
• M17: 17,867,222 km (0.066 R)
• M18: 22,781,063 km (0.048 R)
• M19: 23,577,971 km (0.086 R)
• M20: 23,983,381 km (0.081 R)
• M21: 27,062,704 km (0.102 R)
• M22: 30,515,123 km (0.112 R)
• M23: 32,098,318 km (0.07 R)
• M24: 39,120,292 km (0.11 R)
• M25: 40,986,675 km (0.1 R)
• M26: 44,125,538 km (0.069 R)
• M27: 45,206,382 km (0.08 R)
• M28: 46,781,049 km (0.043 R)
• M29: 56,099,202 km (0.051 R)
• M30: 62,630,345 km (0.115 R)
• M31: 63,212,580 km (0.079 R)
• M32: 64,191,100 km (0.106 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 12,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit