🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.7

Radius: 14.1

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.9 AU - 0.98 AU

Year: 629 Days

Day: 8.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,130,538 km

• M1: 175,478 km (0.099 R)
• M2: 1,131,558 km (0.079 R)
• M3: 1,601,744 km (0.086 R)
• M4: 2,240,827 km (0.104 R)
• M5: 3,002,579 km (0.113 R)
• M6: 4,177,969 km (0.116 R)
• M7: 4,763,645 km (0.1 R)
• M8: 5,387,019 km (0.091 R)
• M9: 6,414,757 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.3

Radius: 10.2

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.36 AU - 2 AU

Year: 1503 Days

Day: 11.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,130,538 km

• M1: 127,158 km (0.11 R)
• M2: 463,903 km (0.06 R)
• M3: 803,341 km (0.119 R)
• M4: 1,393,355 km (0.065 R)
• M5: 1,781,411 km (0.112 R)
• M6: 2,217,489 km (0.091 R)
• M7: 3,809,360 km (0.099 R)
• M8: 4,864,025 km (0.083 R)
• M9: 5,584,489 km (0.082 R)
• M10: 6,006,504 km (0.074 R)
• M11: 7,457,454 km (0.098 R)
• M12: 7,970,126 km (0.108 R)
• M13: 9,649,960 km (0.119 R)
• M14: 11,331,141 km (0.097 R)
• M15: 14,553,479 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.5

Radius: 10.2

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.79 AU - 1.81 AU

Year: 1667 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,130,538 km

• M1: 127,457 km (0.07 R)
• M2: 534,812 km (0.12 R)
• M3: 1,461,571 km (0.071 R)
• M4: 2,598,814 km (0.08 R)
• M5: 2,942,141 km (0.105 R)
• M6: 3,688,635 km (0.03 R)
• M7: 4,212,078 km (0.11 R)
• M8: 4,669,548 km (0.05 R)
• M9: 5,303,544 km (0.12 R)
• M10: 5,750,093 km (0.118 R)
• M11: 7,685,591 km (0.097 R)
• M12: 8,147,100 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.7

Radius: 8

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.95 AU - 2.79 AU

Year: 2518 Days

Day: 6.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,130,538 km

• M1: 103,971 km (0.105 R)
• M2: 429,495 km (0.1 R)
• M3: 817,403 km (0.057 R)
• M4: 1,313,918 km (0.105 R)
• M5: 1,765,404 km (0.057 R)
• M6: 2,529,102 km (0.071 R)
• M7: 3,133,926 km (0.097 R)
• M8: 3,617,576 km (0.067 R)
• M9: 3,942,053 km (0.047 R)
• M10: 4,882,276 km (0.058 R)
• M11: 7,539,583 km (0.094 R)
• M12: 9,407,313 km (0.106 R)
• M13: 10,058,063 km (0.084 R)
• M14: 11,259,185 km (0.068 R)
• M15: 12,757,557 km (0.096 R)
• M16: 13,215,027 km (0.082 R)
• M17: 15,433,713 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.1

Radius: 11.4

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.17 AU - 3.47 AU

Year: 4176 Days

Day: 12.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,130,538 km

• M1: 141,819 km (0.043 R)
• M2: 639,830 km (0.096 R)
• M3: 1,032,973 km (0.085 R)
• M4: 1,969,606 km (0.113 R)
• M5: 2,554,533 km (0.082 R)
• M6: 3,703,594 km (0.059 R)
• M7: 4,321,733 km (0.074 R)
• M8: 5,047,881 km (0.112 R)
• M9: 6,866,093 km (0.107 R)
• M10: 7,532,851 km (0.112 R)
• M11: 7,991,967 km (0.075 R)
• M12: 8,671,740 km (0.087 R)
• M13: 9,513,078 km (0.028 R)
• M14: 10,573,727 km (0.108 R)
• M15: 11,253,799 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.9

Radius: 9.3

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.37 AU - 5.01 AU

Year: 7011 Days

Day: 5.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,130,538 km

• M1: 115,639 km (0.092 R)
• M2: 473,926 km (0.105 R)
• M3: 798,105 km (0.069 R)
• M4: 1,356,553 km (0.041 R)
• M5: 2,731,358 km (0.099 R)
• M6: 3,178,805 km (0.09 R)
• M7: 3,980,650 km (0.099 R)
• M8: 4,387,107 km (0.083 R)
• M9: 5,355,604 km (0.096 R)
• M10: 6,766,012 km (0.099 R)
• M11: 7,959,804 km (0.112 R)
• M12: 8,540,692 km (0.034 R)
• M13: 10,453,750 km (0.118 R)
• M14: 11,389,484 km (0.11 R)
• M15: 12,809,318 km (0.116 R)
• M16: 13,971,992 km (0.109 R)
• M17: 14,343,593 km (0.041 R)
• M18: 14,674,055 km (0.11 R)
• M19: 16,557,941 km (0.095 R)
• M20: 17,611,559 km (0.099 R)
• M21: 18,821,507 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.5

Radius: 10.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.65 AU - 5.29 AU

Year: 7648 Days

Day: 6.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,130,538 km

• M1: 127,757 km (0.079 R)
• M2: 468,541 km (0.076 R)
• M3: 1,040,902 km (0.096 R)
• M4: 1,486,255 km (0.082 R)
• M5: 2,193,404 km (0.08 R)
• M6: 2,537,180 km (0.043 R)
• M7: 2,993,753 km (0.078 R)
• M8: 3,335,135 km (0.076 R)
• M9: 3,792,755 km (0.079 R)
• M10: 4,622,724 km (0.109 R)
• M11: 6,507,507 km (0.076 R)
• M12: 6,842,756 km (0.116 R)
• M13: 9,480,316 km (0.078 R)
• M14: 10,814,580 km (0.077 R)
• M15: 11,382,004 km (0.095 R)
• M16: 12,422,607 km (0.094 R)
• M17: 13,797,412 km (0.087 R)
• M18: 16,412,382 km (0.053 R)
• M19: 18,130,813 km (0.091 R)
• M20: 19,204,178 km (0.115 R)
• M21: 23,607,890 km (0.059 R)
• M22: 24,321,771 km (0.086 R)
• M23: 25,626,414 km (0.063 R)
• M24: 28,108,991 km (0.11 R)
• M25: 28,821,227 km (0.063 R)
• M26: 30,188,701 km (0.119 R)
• M27: 32,466,179 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900

Radius: 6.7

Gravity: 20.05 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.47 AU - 6.79 AU

Year: 9221 Days

Day: 18.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,130,538 km

• M1: 83,625 km (0.108 R)
• M2: 302,337 km (0.056 R)
• M3: 641,326 km (0.109 R)
• M4: 916,287 km (0.055 R)
• M5: 1,332,319 km (0.102 R)
• M6: 1,665,024 km (0.087 R)
• M7: 2,680,794 km (0.051 R)
• M8: 3,683,698 km (0.08 R)
• M9: 4,031,064 km (0.115 R)
• M10: 4,370,801 km (0.091 R)
• M11: 5,506,099 km (0.095 R)
• M12: 6,252,742 km (0.085 R)
• M13: 8,120,920 km (0.112 R)
• M14: 8,344,270 km (0.062 R)
• M15: 9,278,509 km (0.094 R)
• M16: 10,969,862 km (0.06 R)
• M17: 11,974,113 km (0.045 R)
• M18: 12,917,178 km (0.054 R)
• M19: 14,553,629 km (0.116 R)
• M20: 18,926,524 km (0.11 R)
• M21: 22,312,522 km (0.091 R)
• M22: 22,575,067 km (0.092 R)
• M23: 23,017,128 km (0.097 R)
• M24: 26,178,431 km (0.09 R)
• M25: 29,934,833 km (0.086 R)
• M26: 35,204,717 km (0.041 R)
• M27: 41,587,460 km (0.066 R)
• M28: 45,259,489 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.1

Radius: 7.3

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.21 AU - 7.37 AU

Year: 12213 Days

Day: 19.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,130,538 km

• M1: 91,554 km (0.027 R)
• M2: 524,191 km (0.097 R)
• M3: 902,374 km (0.07 R)
• M4: 1,304,045 km (0.109 R)
• M5: 1,745,209 km (0.103 R)
• M6: 3,298,932 km (0.075 R)
• M7: 3,631,339 km (0.105 R)
• M8: 5,674,247 km (0.08 R)
• M9: 6,013,236 km (0.09 R)
• M10: 6,258,577 km (0.086 R)
• M11: 8,777,356 km (0.111 R)
• M12: 9,323,986 km (0.086 R)
• M13: 9,558,257 km (0.117 R)
• M14: 10,087,684 km (0.113 R)
• M15: 11,257,689 km (0.047 R)
• M16: 12,858,535 km (0.089 R)
• M17: 15,634,324 km (0.101 R)
• M18: 16,032,254 km (0.046 R)
• M19: 17,835,357 km (0.088 R)
• M20: 19,235,743 km (0.116 R)
• M21: 23,526,808 km (0.067 R)
• M22: 24,313,693 km (0.109 R)
• M23: 27,159,045 km (0.071 R)
• M24: 28,219,694 km (0.102 R)
• M25: 29,207,787 km (0.03 R)
• M26: 29,710,287 km (0.109 R)
• M27: 31,884,393 km (0.027 R)
• M28: 32,417,260 km (0.09 R)
• M29: 34,720,170 km (0.031 R)
• M30: 35,625,536 km (0.09 R)
• M31: 36,314,734 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.8

Radius: 4.4

Gravity: 44.57 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.79 AU - 10.69 AU

Year: 17835 Days

Day: 24.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,130,538 km

• M1: 54,902 km (0.077 R)
• M2: 206,894 km (0.079 R)
• M3: 402,717 km (0.112 R)
• M4: 627,563 km (0.111 R)
• M5: 921,224 km (0.092 R)
• M6: 1,067,381 km (0.11 R)
• M7: 1,229,246 km (0.047 R)
• M8: 1,454,540 km (0.091 R)
• M9: 1,797,269 km (0.097 R)
• M10: 2,690,368 km (0.112 R)
• M11: 2,838,620 km (0.069 R)
• M12: 3,487,126 km (0.076 R)
• M13: 4,295,404 km (0.101 R)
• M14: 4,997,018 km (0.086 R)
• M15: 5,771,935 km (0.106 R)
• M16: 7,953,072 km (0.116 R)
• M17: 11,252,901 km (0.047 R)
• M18: 12,033,952 km (0.091 R)
• M19: 12,505,784 km (0.115 R)
• M20: 17,492,928 km (0.048 R)
• M21: 19,258,931 km (0.111 R)
• M22: 19,811,096 km (0.1 R)
• M23: 21,826,928 km (0.094 R)
• M24: 23,140,995 km (0.059 R)
• M25: 23,451,561 km (0.077 R)
• M26: 26,939,435 km (0.08 R)
• M27: 28,925,795 km (0.115 R)
• M28: 31,258,924 km (0.078 R)
• M29: 32,277,685 km (0.079 R)
• M30: 32,925,594 km (0.063 R)
• M31: 36,574,884 km (0.091 R)
• M32: 39,151,857 km (0.108 R)
• M33: 42,000,500 km (0.105 R)
• M34: 42,617,292 km (0.107 R)
• M35: 47,437,485 km (0.091 R)
• M36: 54,412,186 km (0.094 R)
• M37: 55,329,371 km (0.114 R)
• M38: 57,006,064 km (0.079 R)
• M39: 66,732,768 km (0.078 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 18,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit