🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853

Radius: 8.4

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.63 AU - 0.63 AU

Year: 339 Days

Day: 8.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,573,379 km

• M1: 104,419 km (0.108 R)
• M2: 381,624 km (0.061 R)
• M3: 832,512 km (0.077 R)
• M4: 1,133,054 km (0.114 R)
• M5: 1,404,275 km (0.098 R)
• M6: 1,691,054 km (0.117 R)
• M7: 2,199,837 km (0.087 R)
• M8: 2,648,182 km (0.052 R)
• M9: 3,145,146 km (0.118 R)
• M10: 3,545,769 km (0.099 R)
• M11: 4,110,650 km (0.103 R)
• M12: 4,491,526 km (0.072 R)
• M13: 5,000,608 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.8

Radius: 12.9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.02 AU - 1.12 AU

Year: 751 Days

Day: 12.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 161.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,573,379 km

• M1: 160,369 km (0.111 R)
• M2: 613,052 km (0.085 R)
• M3: 1,072,617 km (0.09 R)
• M4: 1,858,454 km (0.07 R)
• M5: 2,274,785 km (0.119 R)
• M6: 2,743,027 km (0.106 R)
• M7: 3,387,943 km (0.112 R)
• M8: 3,946,990 km (0.069 R)
• M9: 4,353,298 km (0.025 R)
• M10: 5,149,608 km (0.103 R)
• M11: 5,947,114 km (0.116 R)
• M12: 6,385,735 km (0.064 R)
• M13: 7,285,416 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.2

Radius: 13

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.16 AU - 1.3 AU

Year: 925 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,573,379 km

• M1: 161,715 km (0.102 R)
• M2: 936,632 km (0.119 R)
• M3: 1,494,782 km (0.031 R)
• M4: 1,974,094 km (0.099 R)
• M5: 2,448,169 km (0.103 R)
• M6: 3,161,452 km (0.104 R)
• M7: 4,255,611 km (0.083 R)
• M8: 5,568,930 km (0.085 R)
• M9: 6,340,407 km (0.09 R)
• M10: 7,783,278 km (0.077 R)

Asteroid Belt

Center: 2.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.6

Radius: 13

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.3 AU - 3.6 AU

Year: 3437 Days

Day: 5.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,573,379 km

• M1: 164,857 km (0.113 R)
• M2: 631,153 km (0.115 R)
• M3: 1,138,739 km (0.114 R)
• M4: 1,872,068 km (0.045 R)
• M5: 3,235,802 km (0.113 R)
• M6: 4,172,584 km (0.1 R)
• M7: 5,180,873 km (0.087 R)
• M8: 6,974,253 km (0.085 R)
• M9: 7,480,941 km (0.089 R)
• M10: 8,357,135 km (0.115 R)
• M11: 10,153,058 km (0.093 R)
• M12: 11,184,386 km (0.058 R)
• M13: 13,944,018 km (0.112 R)
• M14: 15,428,627 km (0.108 R)
• M15: 19,567,102 km (0.105 R)
• M16: 20,578,384 km (0.047 R)
• M17: 21,293,462 km (0.106 R)
• M18: 22,159,933 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.6

Radius: 12.2

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.22 AU - 5.16 AU

Year: 5817 Days

Day: 12.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,573,379 km

• M1: 153,338 km (0.113 R)
• M2: 546,182 km (0.051 R)
• M3: 1,163,273 km (0.063 R)
• M4: 1,629,570 km (0.085 R)
• M5: 2,108,881 km (0.115 R)
• M6: 2,998,689 km (0.116 R)
• M7: 4,915,038 km (0.052 R)
• M8: 6,030,290 km (0.117 R)
• M9: 6,688,820 km (0.118 R)
• M10: 7,660,757 km (0.052 R)
• M11: 8,757,160 km (0.107 R)
• M12: 10,135,405 km (0.111 R)
• M13: 10,914,361 km (0.086 R)
• M14: 12,055,344 km (0.099 R)
• M15: 12,508,476 km (0.065 R)
• M16: 13,624,626 km (0.111 R)
• M17: 14,806,000 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.9

Radius: 9.6

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.88 AU - 4.82 AU

Year: 6154 Days

Day: 13.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,573,379 km

• M1: 121,623 km (0.116 R)
• M2: 569,519 km (0.064 R)
• M3: 1,108,371 km (0.107 R)
• M4: 1,746,705 km (0.049 R)
• M5: 3,249,415 km (0.119 R)
• M6: 4,366,313 km (0.106 R)
• M7: 4,716,222 km (0.09 R)
• M8: 6,042,707 km (0.066 R)
• M9: 7,226,475 km (0.084 R)
• M10: 7,795,246 km (0.063 R)
• M11: 9,863,436 km (0.1 R)
• M12: 10,563,554 km (0.113 R)
• M13: 12,220,351 km (0.086 R)
• M14: 12,973,127 km (0.058 R)
• M15: 13,586,030 km (0.053 R)
• M16: 17,075,550 km (0.12 R)
• M17: 19,635,618 km (0.083 R)
• M18: 21,350,159 km (0.078 R)
• M19: 21,969,345 km (0.101 R)
• M20: 23,081,455 km (0.096 R)
• M21: 23,569,444 km (0.086 R)
• M22: 30,946,414 km (0.106 R)
• M23: 31,440,536 km (0.113 R)
• M24: 32,647,641 km (0.047 R)
• M25: 36,344,653 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.9

Radius: 3.3

Gravity: 26.62 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.08 AU - 9.8 AU

Year: 15175 Days

Day: 21.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,573,379 km

• M1: 42,037 km (0.09 R)
• M2: 160,519 km (0.067 R)
• M3: 308,770 km (0.048 R)
• M4: 681,119 km (0.112 R)
• M5: 895,044 km (0.1 R)
• M6: 1,017,714 km (0.072 R)
• M7: 1,388,268 km (0.082 R)
• M8: 1,671,008 km (0.114 R)
• M9: 1,778,569 km (0.117 R)
• M10: 2,312,185 km (0.069 R)
• M11: 3,459,301 km (0.098 R)
• M12: 3,584,066 km (0.119 R)
• M13: 3,789,912 km (0.1 R)
• M14: 4,484,196 km (0.064 R)
• M15: 5,627,274 km (0.049 R)
• M16: 7,230,663 km (0.1 R)
• M17: 7,476,154 km (0.077 R)
• M18: 8,973,927 km (0.108 R)
• M19: 9,401,478 km (0.034 R)
• M20: 10,194,796 km (0.075 R)
• M21: 14,708,911 km (0.084 R)
• M22: 14,839,361 km (0.112 R)
• M23: 17,469,740 km (0.102 R)
• M24: 17,911,503 km (0.111 R)
• M25: 19,359,909 km (0.058 R)
• M26: 22,143,028 km (0.066 R)
• M27: 24,442,946 km (0.106 R)
• M28: 24,902,660 km (0.104 R)
• M29: 27,092,324 km (0.072 R)
• M30: 27,387,181 km (0.111 R)
• M31: 28,083,260 km (0.047 R)
• M32: 35,118,699 km (0.116 R)
• M33: 36,058,173 km (0.111 R)
• M34: 39,984,070 km (0.106 R)
• M35: 43,914,605 km (0.044 R)
• M36: 44,457,346 km (0.033 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.1

Radius: 3.9

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 8.41 AU - 11.65 AU

Year: 21545 Days

Day: 19.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,573,379 km

• M1: 49,068 km (0.094 R)
• M2: 203,752 km (0.081 R)
• M3: 475,871 km (0.043 R)
• M4: 907,909 km (0.043 R)
• M5: 1,065,286 km (0.041 R)
• M6: 1,576,762 km (0.111 R)
• M7: 1,903,184 km (0.048 R)
• M8: 2,525,212 km (0.1 R)
• M9: 3,201,245 km (0.1 R)
• M10: 6,050,935 km (0.105 R)
• M11: 6,534,435 km (0.1 R)
• M12: 7,083,310 km (0.079 R)
• M13: 7,493,806 km (0.113 R)
• M14: 9,055,907 km (0.049 R)
• M15: 9,837,257 km (0.117 R)
• M16: 10,244,313 km (0.093 R)
• M17: 16,963,501 km (0.12 R)
• M18: 20,429,384 km (0.063 R)
• M19: 26,810,631 km (0.063 R)
• M20: 30,288,333 km (0.088 R)
• M21: 41,049,506 km (0.112 R)
• M22: 42,101,927 km (0.09 R)
• M23: 45,786,373 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.7

Radius: 4.1

Gravity: 30.98 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.3 AU - 11.2 AU

Year: 22258 Days

Day: 20.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,573,379 km

• M1: 51,013 km (0.049 R)
• M2: 210,933 km (0.062 R)
• M3: 492,925 km (0.095 R)
• M4: 1,160,431 km (0.107 R)
• M5: 1,301,202 km (0.074 R)
• M6: 1,652,159 km (0.1 R)
• M7: 2,186,223 km (0.095 R)
• M8: 2,704,879 km (0.118 R)
• M9: 8,926,206 km (0.113 R)
• M10: 10,289,491 km (0.119 R)
• M11: 10,958,343 km (0.084 R)
• M12: 13,068,272 km (0.096 R)
• M13: 15,748,766 km (0.091 R)
• M14: 25,612,203 km (0.063 R)
• M15: 26,610,768 km (0.104 R)
• M16: 26,836,212 km (0.114 R)
• M17: 32,378,664 km (0.059 R)
• M18: 49,975,113 km (0.108 R)
• M19: 54,740,853 km (0.085 R)
• M20: 72,579,352 km (0.108 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: 318 - 16,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit