🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.58 AU - 0.6 AU

Year: 293 Days

Day: 25.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 12,327,218 km

• M1: 263,741 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.49 AU - 0.73 AU

Year: 308 Days

Day: 46.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 12,327,218 km

• M1: 54,902 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.55 AU - 0.71 AU

Year: 323 Days

Day: 25.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.51 AU - 0.75 AU

Year: 323 Days

Day: 32.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.9

Radius: 9.6

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.88 AU - 0.92 AU

Year: 551 Days

Day: 13.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 12,327,218 km

• M1: 124,166 km (0.092 R)
• M2: 269,276 km (0.077 R)
• M3: 345,272 km (0.116 R)
• M4: 415,134 km (0.112 R)
• M5: 487,390 km (0.084 R)
• M6: 554,111 km (0.115 R)
• M7: 624,272 km (0.095 R)
• M8: 686,056 km (0.107 R)
• M9: 750,084 km (0.096 R)
• M10: 872,006 km (0.08 R)
• M11: 951,143 km (0.092 R)
• M12: 1,070,223 km (0.105 R)
• M13: 1,204,113 km (0.083 R)
• M14: 1,338,602 km (0.096 R)
• M15: 1,510,041 km (0.107 R)
• M16: 1,584,989 km (0.091 R)
• M17: 1,755,531 km (0.108 R)
• M18: 1,932,356 km (0.079 R)
• M19: 1,996,533 km (0.103 R)
• M20: 2,073,277 km (0.048 R)
• M21: 2,138,950 km (0.108 R)
• M22: 2,199,388 km (0.066 R)
• M23: 2,297,225 km (0.112 R)
• M24: 2,440,540 km (0.073 R)
• M25: 2,606,145 km (0.091 R)
• M26: 2,690,368 km (0.112 R)
• M27: 2,835,029 km (0.056 R)
• M28: 2,895,018 km (0.037 R)
• M29: 3,043,269 km (0.114 R)
• M30: 3,132,131 km (0.115 R)
• M31: 3,277,540 km (0.063 R)
• M32: 3,340,520 km (0.094 R)
• M33: 3,432,224 km (0.112 R)
• M34: 3,546,367 km (0.116 R)
• M35: 3,625,504 km (0.04 R)
• M36: 3,763,583 km (0.064 R)
• M37: 3,873,986 km (0.083 R)
• M38: 4,075,196 km (0.115 R)
• M39: 4,143,113 km (0.091 R)
• M40: 4,402,965 km (0.084 R)
• M41: 4,472,677 km (0.038 R)
• M42: 4,684,059 km (0.104 R)
• M43: 5,075,856 km (0.043 R)
• M44: 5,189,849 km (0.088 R)
• M45: 5,495,179 km (0.106 R)
• M46: 5,713,143 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.5

Radius: 11.4

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.83 AU - 1.09 AU

Year: 607 Days

Day: 11.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 12,327,218 km

• M1: 172,038 km (0.099 R)
• M2: 303,833 km (0.035 R)
• M3: 381,475 km (0.07 R)
• M4: 477,516 km (0.095 R)
• M5: 551,418 km (0.036 R)
• M6: 667,805 km (0.113 R)
• M7: 745,745 km (0.084 R)
• M8: 831,016 km (0.056 R)
• M9: 919,877 km (0.067 R)
• M10: 1,004,251 km (0.101 R)
• M11: 1,099,694 km (0.081 R)
• M12: 1,181,225 km (0.037 R)
• M13: 1,332,319 km (0.06 R)
• M14: 1,419,684 km (0.086 R)
• M15: 1,552,078 km (0.066 R)
• M16: 1,644,380 km (0.031 R)
• M17: 1,834,818 km (0.098 R)
• M18: 2,000,872 km (0.067 R)
• M19: 2,166,776 km (0.1 R)
• M20: 2,370,677 km (0.079 R)
• M21: 2,489,309 km (0.066 R)
• M22: 2,685,731 km (0.048 R)
• M23: 2,779,977 km (0.097 R)
• M24: 2,869,287 km (0.101 R)
• M25: 2,965,628 km (0.053 R)
• M26: 3,038,632 km (0.07 R)
• M27: 3,155,617 km (0.093 R)
• M28: 3,311,648 km (0.093 R)
• M29: 3,406,643 km (0.034 R)
• M30: 3,515,400 km (0.108 R)
• M31: 3,605,757 km (0.083 R)
• M32: 3,683,997 km (0.097 R)
• M33: 3,795,597 km (0.07 R)
• M34: 3,915,126 km (0.117 R)
• M35: 4,103,470 km (0.097 R)
• M36: 4,288,073 km (0.099 R)
• M37: 4,426,601 km (0.081 R)
• M38: 4,566,625 km (0.086 R)
• M39: 4,658,478 km (0.08 R)
• M40: 4,736,568 km (0.099 R)
• M41: 4,836,798 km (0.093 R)
• M42: 4,930,447 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.9

Radius: 12

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.31 AU - 2.33 AU

Year: 2282 Days

Day: 11.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 12,327,218 km

• M1: 158,275 km (0.113 R)
• M2: 265,387 km (0.103 R)
• M3: 368,908 km (0.099 R)
• M4: 531,222 km (0.053 R)
• M5: 641,924 km (0.071 R)
• M6: 855,700 km (0.084 R)
• M7: 989,590 km (0.08 R)
• M8: 1,174,493 km (0.112 R)
• M9: 1,251,685 km (0.057 R)
• M10: 1,429,408 km (0.1 R)
• M11: 1,810,284 km (0.1 R)
• M12: 1,972,897 km (0.108 R)
• M13: 2,440,240 km (0.078 R)
• M14: 2,642,646 km (0.089 R)
• M15: 2,820,668 km (0.05 R)
• M16: 2,926,434 km (0.079 R)
• M17: 3,010,508 km (0.05 R)
• M18: 3,181,049 km (0.108 R)
• M19: 3,878,624 km (0.047 R)
• M20: 4,288,373 km (0.094 R)
• M21: 4,366,762 km (0.086 R)
• M22: 4,613,748 km (0.117 R)
• M23: 4,919,825 km (0.116 R)
• M24: 5,140,033 km (0.113 R)
• M25: 5,372,808 km (0.119 R)
• M26: 6,160,889 km (0.108 R)
• M27: 6,669,372 km (0.111 R)
• M28: 6,760,477 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.7

Radius: 10.8

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.23 AU - 2.91 AU

Year: 2660 Days

Day: 7.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 12,327,218 km

• M1: 143,464 km (0.113 R)
• M2: 230,979 km (0.105 R)
• M3: 414,685 km (0.085 R)
• M4: 488,886 km (0.118 R)
• M5: 671,395 km (0.032 R)
• M6: 762,201 km (0.109 R)
• M7: 848,070 km (0.088 R)
• M8: 998,865 km (0.118 R)
• M9: 1,386,323 km (0.098 R)
• M10: 1,457,382 km (0.06 R)
• M11: 1,529,788 km (0.1 R)
• M12: 2,043,956 km (0.051 R)
• M13: 2,166,776 km (0.037 R)
• M14: 2,250,102 km (0.098 R)
• M15: 2,405,683 km (0.109 R)
• M16: 2,697,998 km (0.057 R)
• M17: 2,787,906 km (0.056 R)
• M18: 2,924,788 km (0.097 R)
• M19: 3,110,738 km (0.075 R)
• M20: 3,221,141 km (0.116 R)
• M21: 3,397,218 km (0.099 R)
• M22: 3,592,892 km (0.089 R)
• M23: 3,692,225 km (0.105 R)
• M24: 3,893,584 km (0.101 R)
• M25: 4,237,210 km (0.038 R)
• M26: 4,324,725 km (0.066 R)
• M27: 4,519,352 km (0.076 R)
• M28: 4,626,763 km (0.078 R)
• M29: 4,825,878 km (0.035 R)
• M30: 5,157,835 km (0.076 R)
• M31: 5,345,431 km (0.034 R)
• M32: 5,421,128 km (0.074 R)
• M33: 5,535,420 km (0.07 R)
• M34: 5,785,698 km (0.059 R)
• M35: 6,118,703 km (0.105 R)
• M36: 6,197,989 km (0.101 R)
• M37: 6,297,472 km (0.1 R)
• M38: 6,457,990 km (0.101 R)
• M39: 6,558,819 km (0.112 R)
• M40: 6,640,051 km (0.112 R)
• M41: 7,238,443 km (0.057 R)
• M42: 7,470,020 km (0.117 R)
• M43: 7,618,571 km (0.085 R)
• M44: 8,048,665 km (0.113 R)
• M45: 8,954,929 km (0.096 R)
• M46: 9,294,665 km (0.072 R)
• M47: 9,431,697 km (0.069 R)
• M48: 9,523,400 km (0.109 R)
• M49: 9,638,591 km (0.111 R)
• M50: 9,800,456 km (0.108 R)
• M51: 10,647,479 km (0.026 R)
• M52: 11,128,286 km (0.082 R)
• M53: 11,739,244 km (0.103 R)
• M54: 11,937,012 km (0.095 R)
• M55: 12,739,306 km (0.069 R)
• M56: 12,840,733 km (0.046 R)
• M57: 13,481,311 km (0.046 R)
• M58: 13,870,715 km (0.114 R)
• M59: 14,001,314 km (0.097 R)
• M60: 14,290,187 km (0.038 R)
• M61: 14,395,653 km (0.055 R)
• M62: 14,474,940 km (0.101 R)
• M63: 14,581,005 km (0.101 R)
• M64: 14,793,584 km (0.115 R)
• M65: 15,195,254 km (0.114 R)
• M66: 15,790,803 km (0.112 R)
• M67: 15,899,860 km (0.065 R)
• M68: 16,366,456 km (0.12 R)
• M69: 16,449,183 km (0.054 R)
• M70: 16,642,913 km (0.07 R)
• M71: 17,004,790 km (0.078 R)
• M72: 17,651,202 km (0.114 R)
• M73: 17,991,687 km (0.106 R)
• M74: 18,592,771 km (0.035 R)
• M75: 18,910,368 km (0.054 R)
• M76: 19,113,222 km (0.096 R)
• M77: 19,521,475 km (0.047 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.4

Radius: 12.2

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.48 AU - 2.76 AU

Year: 2738 Days

Day: 5.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 12,327,218 km

• M1: 154,834 km (0.107 R)
• M2: 330,611 km (0.066 R)
• M3: 577,897 km (0.107 R)
• M4: 735,573 km (0.037 R)
• M5: 901,926 km (0.059 R)
• M6: 1,012,628 km (0.119 R)
• M7: 1,208,152 km (0.114 R)
• M8: 1,433,896 km (0.116 R)
• M9: 1,529,937 km (0.115 R)
• M10: 1,619,247 km (0.048 R)
• M11: 1,803,253 km (0.12 R)
• M12: 1,888,374 km (0.082 R)
• M13: 2,023,760 km (0.041 R)
• M14: 2,212,702 km (0.049 R)
• M15: 2,294,083 km (0.096 R)
• M16: 2,386,834 km (0.092 R)
• M17: 2,544,211 km (0.051 R)
• M18: 2,629,781 km (0.083 R)
• M19: 2,792,543 km (0.037 R)
• M20: 3,014,995 km (0.115 R)
• M21: 3,336,481 km (0.028 R)
• M22: 3,802,628 km (0.04 R)
• M23: 3,913,181 km (0.11 R)
• M24: 4,024,931 km (0.107 R)
• M25: 4,175,426 km (0.056 R)
• M26: 4,456,371 km (0.1 R)
• M27: 4,599,237 km (0.101 R)
• M28: 4,730,434 km (0.102 R)
• M29: 4,876,143 km (0.06 R)
• M30: 4,969,791 km (0.105 R)
• M31: 5,363,832 km (0.078 R)
• M32: 5,446,559 km (0.083 R)
• M33: 5,585,536 km (0.082 R)
• M34: 5,683,522 km (0.107 R)
• M35: 5,938,138 km (0.106 R)
• M36: 6,254,537 km (0.086 R)
• M37: 6,356,414 km (0.114 R)
• M38: 6,458,738 km (0.09 R)
• M39: 6,576,472 km (0.096 R)
• M40: 6,739,534 km (0.086 R)
• M41: 7,009,109 km (0.091 R)
• M42: 7,130,134 km (0.066 R)
• M43: 7,512,805 km (0.084 R)
• M44: 7,886,650 km (0.071 R)
• M45: 8,012,462 km (0.096 R)
• M46: 8,362,371 km (0.063 R)
• M47: 8,831,211 km (0.075 R)
• M48: 8,994,871 km (0.063 R)
• M49: 9,093,456 km (0.091 R)
• M50: 9,209,095 km (0.119 R)
• M51: 9,895,899 km (0.054 R)
• M52: 11,265,767 km (0.112 R)
• M53: 11,407,735 km (0.062 R)
• M54: 11,514,698 km (0.103 R)
• M55: 11,927,588 km (0.098 R)
• M56: 12,108,751 km (0.086 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 16,785 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit