🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.3

Radius: 10.6

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.58 AU - 0.92 AU

Year: 419 Days

Day: 11.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,563,819 km

• M1: 131,945 km (0.027 R)
• M2: 707,000 km (0.076 R)
• M3: 1,377,946 km (0.077 R)
• M4: 1,746,406 km (0.089 R)
• M5: 2,079,111 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.1

Radius: 14.5

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.93 AU - 1.05 AU

Year: 636 Days

Day: 8.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,563,819 km

• M1: 184,753 km (0.089 R)
• M2: 672,293 km (0.11 R)
• M3: 1,263,653 km (0.043 R)
• M4: 2,174,106 km (0.102 R)
• M5: 2,874,673 km (0.115 R)
• M6: 3,570,602 km (0.102 R)
• M7: 5,124,924 km (0.093 R)
• M8: 8,273,361 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.1

Radius: 12.4

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.24 AU - 1.66 AU

Year: 1127 Days

Day: 13.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,563,819 km

• M1: 154,235 km (0.075 R)
• M2: 810,970 km (0.118 R)
• M3: 1,489,845 km (0.093 R)
• M4: 2,159,894 km (0.099 R)
• M5: 2,791,047 km (0.073 R)
• M6: 3,268,564 km (0.107 R)
• M7: 4,104,367 km (0.106 R)
• M8: 5,192,542 km (0.099 R)
• M9: 5,898,794 km (0.104 R)
• M10: 6,554,332 km (0.116 R)
• M11: 7,355,428 km (0.104 R)
• M12: 8,407,101 km (0.079 R)
• M13: 9,124,273 km (0.05 R)
• M14: 9,556,462 km (0.114 R)
• M15: 10,307,144 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.1

Radius: 11

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.91 AU - 2.75 AU

Year: 2296 Days

Day: 12.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,563,819 km

• M1: 136,882 km (0.09 R)
• M2: 816,356 km (0.117 R)
• M3: 1,548,039 km (0.086 R)
• M4: 2,033,783 km (0.108 R)
• M5: 3,122,856 km (0.094 R)
• M6: 4,463,402 km (0.077 R)
• M7: 6,079,957 km (0.027 R)
• M8: 6,938,948 km (0.045 R)
• M9: 8,026,225 km (0.119 R)
• M10: 8,865,319 km (0.082 R)
• M11: 10,938,447 km (0.1 R)
• M12: 14,626,034 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.6

Radius: 8.6

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.92 AU - 3.1 AU

Year: 2568 Days

Day: 14.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,563,819 km

• M1: 106,962 km (0.097 R)
• M2: 394,190 km (0.097 R)
• M3: 695,181 km (0.109 R)
• M4: 1,344,137 km (0.089 R)
• M5: 2,104,692 km (0.088 R)
• M6: 2,432,611 km (0.089 R)
• M7: 3,484,134 km (0.107 R)
• M8: 3,756,403 km (0.12 R)
• M9: 4,303,033 km (0.095 R)
• M10: 4,725,049 km (0.109 R)
• M11: 5,105,327 km (0.063 R)
• M12: 5,505,950 km (0.06 R)
• M13: 5,776,273 km (0.113 R)
• M14: 6,477,737 km (0.12 R)
• M15: 6,751,502 km (0.101 R)
• M16: 8,080,828 km (0.114 R)
• M17: 8,957,621 km (0.059 R)
• M18: 9,229,291 km (0.086 R)
• M19: 10,520,321 km (0.087 R)
• M20: 10,976,295 km (0.112 R)
• M21: 11,445,434 km (0.116 R)
• M22: 12,976,568 km (0.097 R)
• M23: 15,160,248 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.7

Radius: 9.4

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.61 AU - 4.09 AU

Year: 3959 Days

Day: 10.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,563,819 km

• M1: 116,836 km (0.042 R)
• M2: 449,242 km (0.101 R)
• M3: 799,451 km (0.107 R)
• M4: 3,698,508 km (0.057 R)
• M5: 4,107,210 km (0.088 R)
• M6: 4,669,249 km (0.096 R)
• M7: 6,180,337 km (0.086 R)
• M8: 6,688,970 km (0.107 R)
• M9: 7,541,229 km (0.066 R)
• M10: 7,967,882 km (0.09 R)
• M11: 9,063,836 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.6

Radius: 12.5

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.4 AU - 5.64 AU

Year: 8374 Days

Day: 9.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,563,819 km

• M1: 155,432 km (0.063 R)
• M2: 640,578 km (0.07 R)
• M3: 1,098,497 km (0.101 R)
• M4: 1,547,440 km (0.109 R)
• M5: 1,984,117 km (0.112 R)
• M6: 2,664,039 km (0.108 R)
• M7: 3,132,131 km (0.086 R)
• M8: 4,978,617 km (0.064 R)
• M9: 5,778,068 km (0.026 R)
• M10: 6,692,111 km (0.048 R)
• M11: 8,081,427 km (0.086 R)
• M12: 8,957,322 km (0.079 R)
• M13: 9,734,633 km (0.068 R)
• M14: 12,198,360 km (0.07 R)
• M15: 18,755,833 km (0.1 R)
• M16: 19,512,349 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.8

Radius: 5.5

Gravity: 32.46 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.16 AU - 9.44 AU

Year: 15439 Days

Day: 15.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 139.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 79,563,819 km

• M1: 124,615 km (0.091 R)
• M2: 468,391 km (0.118 R)
• M3: 708,196 km (0.055 R)
• M4: 1,040,752 km (0.044 R)
• M5: 1,568,384 km (0.116 R)
• M6: 2,134,911 km (0.051 R)
• M7: 2,731,657 km (0.12 R)
• M8: 3,267,965 km (0.038 R)
• M9: 3,604,561 km (0.066 R)
• M10: 4,057,393 km (0.078 R)
• M11: 4,248,879 km (0.103 R)
• M12: 6,005,307 km (0.115 R)
• M13: 6,684,781 km (0.112 R)
• M14: 8,044,925 km (0.056 R)
• M15: 8,976,321 km (0.074 R)
• M16: 13,215,775 km (0.048 R)
• M17: 13,780,058 km (0.106 R)
• M18: 16,601,025 km (0.081 R)
• M19: 17,092,006 km (0.109 R)
• M20: 21,278,951 km (0.12 R)
• M21: 22,250,290 km (0.067 R)
• M22: 22,547,391 km (0.042 R)
• M23: 22,947,565 km (0.067 R)
• M24: 24,176,661 km (0.118 R)
• M25: 24,490,667 km (0.091 R)
• M26: 25,020,094 km (0.063 R)
• M27: 26,653,853 km (0.057 R)
• M28: 27,101,300 km (0.103 R)
• M29: 28,241,834 km (0.107 R)
• M30: 28,706,784 km (0.065 R)
• M31: 33,641,569 km (0.088 R)
• M32: 35,494,040 km (0.111 R)
• M33: 36,996,601 km (0.118 R)
• M34: 38,256,963 km (0.098 R)
• M35: 40,273,991 km (0.078 R)
• M36: 47,399,487 km (0.077 R)
• M37: 50,231,973 km (0.049 R)
• M38: 52,297,920 km (0.114 R)
• M39: 62,102,265 km (0.062 R)
• M40: 67,744,498 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 1000

Radius: 4

Gravity: 62.5 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.55 AU - 12.47 AU

Year: 20449 Days

Day: 23.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 79,563,819 km

• M1: 50,564 km (0.087 R)
• M2: 182,958 km (0.103 R)
• M3: 464,950 km (0.106 R)
• M4: 919,877 km (0.12 R)
• M5: 1,087,427 km (0.093 R)
• M6: 1,260,063 km (0.111 R)
• M7: 1,467,555 km (0.085 R)
• M8: 2,558,273 km (0.05 R)
• M9: 2,760,230 km (0.055 R)
• M10: 3,613,836 km (0.105 R)
• M11: 3,900,914 km (0.087 R)
• M12: 4,033,308 km (0.11 R)
• M13: 5,780,163 km (0.106 R)
• M14: 6,444,078 km (0.101 R)
• M15: 8,909,600 km (0.11 R)
• M16: 10,476,788 km (0.118 R)
• M17: 10,733,198 km (0.118 R)
• M18: 12,864,220 km (0.11 R)
• M19: 13,084,279 km (0.078 R)
• M20: 13,381,679 km (0.102 R)
• M21: 16,868,506 km (0.115 R)
• M22: 17,667,957 km (0.12 R)
• M23: 20,915,877 km (0.102 R)
• M24: 24,428,285 km (0.105 R)
• M25: 28,437,957 km (0.114 R)
• M26: 31,651,169 km (0.082 R)
• M27: 34,671,999 km (0.101 R)
• M28: 35,816,423 km (0.07 R)
• M29: 39,246,702 km (0.111 R)
• M30: 43,710,104 km (0.089 R)
• M31: 51,572,520 km (0.104 R)
• M32: 55,737,923 km (0.086 R)
• M33: 58,904,311 km (0.052 R)
• M34: 64,301,802 km (0.055 R)
• M35: 66,026,666 km (0.047 R)
• M36: 71,156,826 km (0.058 R)
• M37: 72,769,341 km (0.083 R)
• M38: 74,641,858 km (0.106 R)
• M39: 78,727,076 km (0.089 R)
• M40: 81,949,714 km (0.11 R)
• M41: 83,466,337 km (0.069 R)
• M42: 83,720,952 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.9

Radius: 7.6

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.25 AU - 12.01 AU

Year: 20818 Days

Day: 17.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,563,819 km

• M1: 94,546 km (0.064 R)
• M2: 352,153 km (0.079 R)
• M3: 873,352 km (0.111 R)
• M4: 2,052,782 km (0.084 R)
• M5: 2,305,154 km (0.11 R)
• M6: 3,864,412 km (0.115 R)
• M7: 4,524,438 km (0.104 R)
• M8: 4,992,231 km (0.083 R)
• M9: 5,452,244 km (0.115 R)
• M10: 6,457,093 km (0.094 R)
• M11: 10,268,547 km (0.071 R)
• M12: 14,200,727 km (0.084 R)
• M13: 14,734,343 km (0.111 R)
• M14: 16,666,100 km (0.091 R)
• M15: 18,489,698 km (0.115 R)
• M16: 19,126,088 km (0.093 R)
• M17: 22,426,366 km (0.072 R)
• M18: 33,087,010 km (0.045 R)
• M19: 37,662,012 km (0.116 R)
• M20: 43,591,473 km (0.05 R)
• M21: 46,860,635 km (0.082 R)
• M22: 47,702,722 km (0.104 R)
• M23: 53,150,478 km (0.087 R)
• M24: 56,117,901 km (0.057 R)
• M25: 58,998,558 km (0.1 R)
• M26: 68,877,104 km (0.086 R)
• M27: 70,184,439 km (0.073 R)
• M28: 71,730,384 km (0.103 R)
• M29: 72,399,984 km (0.071 R)
• M30: 77,671,813 km (0.105 R)
• M31: 78,141,999 km (0.085 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 12,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit