🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.7

Radius: 13.7

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.65 AU - 0.89 AU

Year: 451 Days

Day: 14.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,587,097 km

• M1: 170,542 km (0.028 R)
• M2: 631,602 km (0.064 R)
• M3: 1,877,154 km (0.11 R)
• M4: 2,515,937 km (0.06 R)
• M5: 3,510,164 km (0.096 R)
• M6: 4,248,430 km (0.072 R)
• M7: 4,721,758 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.1

Radius: 11.8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.76 AU - 1.22 AU

Year: 657 Days

Day: 14.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,587,097 km

• M1: 146,756 km (0.092 R)
• M2: 528,080 km (0.082 R)
• M3: 1,192,295 km (0.115 R)
• M4: 1,825,244 km (0.084 R)
• M5: 2,376,362 km (0.059 R)
• M6: 3,132,729 km (0.086 R)
• M7: 3,538,438 km (0.105 R)
• M8: 4,147,302 km (0.075 R)
• M9: 4,581,884 km (0.116 R)
• M10: 5,107,122 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625

Radius: 14.3

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.46 AU - 2.36 AU

Year: 1760 Days

Day: 13.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,587,097 km

• M1: 177,872 km (0.057 R)
• M2: 724,951 km (0.067 R)
• M3: 1,246,449 km (0.099 R)
• M4: 2,080,009 km (0.066 R)
• M5: 2,934,362 km (0.041 R)
• M6: 3,784,527 km (0.093 R)
• M7: 4,305,876 km (0.071 R)
• M8: 5,189,251 km (0.101 R)
• M9: 6,094,318 km (0.06 R)
• M10: 8,666,205 km (0.092 R)
• M11: 9,709,051 km (0.064 R)
• M12: 10,278,122 km (0.086 R)
• M13: 12,350,651 km (0.108 R)
• M14: 13,059,595 km (0.11 R)
• M15: 14,004,754 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.9

Radius: 13.3

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.94 AU - 2.7 AU

Year: 2356 Days

Day: 9.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,587,097 km

• M1: 165,455 km (0.105 R)
• M2: 610,958 km (0.103 R)
• M3: 1,371,663 km (0.061 R)
• M4: 1,964,370 km (0.084 R)
• M5: 2,382,795 km (0.097 R)
• M6: 3,387,494 km (0.069 R)
• M7: 3,997,106 km (0.073 R)
• M8: 4,549,570 km (0.102 R)
• M9: 5,246,547 km (0.086 R)
• M10: 5,758,321 km (0.083 R)
• M11: 7,054,736 km (0.107 R)
• M12: 8,053,452 km (0.12 R)
• M13: 9,144,170 km (0.103 R)
• M14: 10,107,879 km (0.114 R)
• M15: 12,279,592 km (0.089 R)
• M16: 13,318,549 km (0.111 R)
• M17: 14,089,427 km (0.092 R)
• M18: 15,720,343 km (0.104 R)
• M19: 17,155,435 km (0.055 R)
• M20: 17,634,747 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.2

Radius: 7.6

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.28 AU - 8.48 AU

Year: 12034 Days

Day: 24.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,587,097 km

• M1: 95,743 km (0.063 R)
• M2: 438,322 km (0.07 R)
• M3: 996,172 km (0.109 R)
• M4: 1,267,393 km (0.09 R)
• M5: 1,588,281 km (0.106 R)
• M6: 1,826,291 km (0.112 R)
• M7: 4,440,813 km (0.086 R)
• M8: 4,723,553 km (0.114 R)
• M9: 5,221,414 km (0.097 R)
• M10: 6,439,889 km (0.113 R)
• M11: 7,882,910 km (0.103 R)
• M12: 8,204,845 km (0.117 R)
• M13: 8,487,734 km (0.076 R)
• M14: 14,216,734 km (0.037 R)
• M15: 14,763,365 km (0.12 R)
• M16: 15,537,684 km (0.112 R)
• M17: 15,825,959 km (0.052 R)
• M18: 16,264,879 km (0.098 R)
• M19: 19,904,745 km (0.077 R)
• M20: 20,936,671 km (0.11 R)
• M21: 22,276,170 km (0.095 R)
• M22: 22,642,835 km (0.091 R)
• M23: 24,927,643 km (0.041 R)
• M24: 32,579,873 km (0.079 R)
• M25: 33,529,520 km (0.108 R)
• M26: 35,235,534 km (0.105 R)
• M27: 39,217,381 km (0.077 R)
• M28: 50,541,940 km (0.054 R)
• M29: 55,420,626 km (0.054 R)
• M30: 56,432,655 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.1

Radius: 4.3

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.69 AU - 8.57 AU

Year: 15458 Days

Day: 21.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,587,097 km

• M1: 101,128 km (0.116 R)
• M2: 551,119 km (0.043 R)
• M3: 1,740,721 km (0.092 R)
• M4: 3,237,896 km (0.06 R)
• M5: 3,450,176 km (0.064 R)
• M6: 3,902,410 km (0.098 R)
• M7: 4,478,960 km (0.053 R)
• M8: 5,798,862 km (0.067 R)
• M9: 7,766,972 km (0.091 R)
• M10: 8,408,298 km (0.118 R)
• M11: 9,037,955 km (0.086 R)
• M12: 10,289,940 km (0.079 R)
• M13: 10,594,521 km (0.044 R)
• M14: 11,928,485 km (0.108 R)
• M15: 13,611,461 km (0.076 R)
• M16: 14,860,304 km (0.106 R)
• M17: 15,446,429 km (0.101 R)
• M18: 16,388,596 km (0.074 R)
• M19: 18,684,774 km (0.106 R)
• M20: 22,263,903 km (0.085 R)
• M21: 23,551,642 km (0.117 R)
• M22: 26,368,569 km (0.116 R)
• M23: 26,938,537 km (0.095 R)
• M24: 29,098,880 km (0.118 R)
• M25: 29,912,244 km (0.036 R)
• M26: 32,769,114 km (0.1 R)
• M27: 32,987,677 km (0.11 R)
• M28: 33,983,400 km (0.104 R)
• M29: 34,771,631 km (0.062 R)
• M30: 36,501,432 km (0.064 R)
• M31: 40,006,809 km (0.117 R)
• M32: 43,072,369 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.7

Radius: 5.3

Gravity: 28.79 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.65 AU - 8.91 AU

Year: 17349 Days

Day: 16.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,587,097 km

• M1: 67,917 km (0.104 R)
• M2: 327,619 km (0.076 R)
• M3: 1,520,363 km (0.035 R)
• M4: 1,704,817 km (0.103 R)
• M5: 2,019,422 km (0.093 R)
• M6: 2,551,541 km (0.115 R)
• M7: 2,938,252 km (0.054 R)
• M8: 3,199,150 km (0.072 R)
• M9: 4,334,449 km (0.054 R)
• M10: 5,176,535 km (0.106 R)
• M11: 5,675,743 km (0.11 R)
• M12: 7,461,044 km (0.113 R)
• M13: 8,611,003 km (0.114 R)
• M14: 8,983,203 km (0.104 R)
• M15: 11,382,453 km (0.09 R)
• M16: 12,357,383 km (0.089 R)
• M17: 13,386,915 km (0.058 R)
• M18: 13,599,494 km (0.111 R)
• M19: 14,472,397 km (0.094 R)
• M20: 17,147,656 km (0.085 R)
• M21: 19,312,936 km (0.066 R)
• M22: 23,247,360 km (0.068 R)
• M23: 28,261,581 km (0.102 R)
• M24: 31,516,531 km (0.06 R)
• M25: 37,341,872 km (0.099 R)
• M26: 38,187,998 km (0.075 R)
• M27: 38,759,013 km (0.111 R)
• M28: 39,626,382 km (0.093 R)
• M29: 40,211,758 km (0.095 R)
• M30: 44,157,851 km (0.038 R)
• M31: 46,224,246 km (0.118 R)
• M32: 46,710,140 km (0.078 R)
• M33: 49,359,069 km (0.073 R)
• M34: 59,036,855 km (0.11 R)
• M35: 64,116,600 km (0.075 R)
• M36: 66,350,844 km (0.055 R)
• M37: 72,053,515 km (0.163 R)
• M38: 72,270,731 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.4

Radius: 4

Gravity: 40.78 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.44 AU - 10.36 AU

Year: 20772 Days

Day: 21.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,587,097 km

• M1: 82,129 km (0.09 R)
• M2: 1,032,824 km (0.03 R)
• M3: 1,164,320 km (0.098 R)
• M4: 1,510,191 km (0.11 R)
• M5: 2,019,571 km (0.115 R)
• M6: 4,960,217 km (0.112 R)
• M7: 6,585,597 km (0.098 R)
• M8: 7,566,810 km (0.104 R)
• M9: 9,872,711 km (0.116 R)
• M10: 10,469,009 km (0.084 R)
• M11: 11,931,178 km (0.082 R)
• M12: 15,175,507 km (0.083 R)
• M13: 15,727,823 km (0.101 R)
• M14: 23,646,935 km (0.061 R)
• M15: 24,711,324 km (0.105 R)
• M16: 38,022,992 km (0.071 R)
• M17: 39,186,863 km (0.104 R)
• M18: 55,426,161 km (0.108 R)
• M19: 67,509,480 km (0.096 R)
• M20: 69,859,962 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.8

Radius: 5.1

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 10.07 AU - 10.87 AU

Year: 22592 Days

Day: 24.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,587,097 km

• M1: 63,429 km (0.066 R)
• M2: 301,739 km (0.114 R)
• M3: 471,084 km (0.111 R)
• M4: 1,006,195 km (0.091 R)
• M5: 2,867,043 km (0.119 R)
• M6: 3,245,376 km (0.051 R)
• M7: 7,746,926 km (0.116 R)
• M8: 9,097,196 km (0.108 R)
• M9: 10,714,050 km (0.061 R)
• M10: 11,313,339 km (0.07 R)
• M11: 11,621,361 km (0.111 R)
• M12: 12,318,487 km (0.117 R)
• M13: 13,518,561 km (0.099 R)
• M14: 17,831,169 km (0.068 R)
• M15: 18,586,638 km (0.104 R)
• M16: 36,075,527 km (0.108 R)
• M17: 51,527,491 km (0.047 R)
• M18: 53,227,670 km (0.095 R)
• M19: 58,004,480 km (0.069 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 17,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit