🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.19 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.16 AU - 2.6 AU

Year: 1414 Days

Day: 20.1 Hours

Environment

Temp: -104 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,155,845 km

• M1: 30,368 km (0.067 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.22 AU - 3.34 AU

Year: 2287 Days

Day: 44.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,155,845 km

• M1: 39,793 km (0.113 R)

Planet 3 - Ice Giant

Semi-Major Axis: 12.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.3

Radius: 3.4

Gravity: 58.33 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 12.67 AU - 12.79 AU

Year: 17487 Days

Day: 20.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 90,155,845 km

• M1: 42,785 km (0.087 R)
• M2: 167,849 km (0.086 R)
• M3: 341,831 km (0.084 R)
• M4: 509,231 km (0.108 R)
• M5: 905,965 km (0.106 R)
• M6: 1,329,476 km (0.095 R)
• M7: 1,626,578 km (0.088 R)
• M8: 2,024,059 km (0.032 R)
• M9: 2,287,501 km (0.119 R)
• M10: 2,713,107 km (0.103 R)
• M11: 2,833,384 km (0.114 R)
• M12: 3,215,905 km (0.071 R)
• M13: 4,535,658 km (0.074 R)
• M14: 5,277,364 km (0.111 R)
• M15: 5,503,257 km (0.074 R)
• M16: 5,618,597 km (0.079 R)
• M17: 6,687,324 km (0.087 R)
• M18: 7,086,750 km (0.09 R)
• M19: 9,880,341 km (0.117 R)
• M20: 11,424,789 km (0.114 R)
• M21: 11,930,580 km (0.092 R)
• M22: 12,851,504 km (0.1 R)
• M23: 14,833,377 km (0.107 R)
• M24: 16,130,989 km (0.11 R)
• M25: 16,288,515 km (0.091 R)
• M26: 18,775,430 km (0.112 R)
• M27: 19,478,840 km (0.113 R)
• M28: 20,108,796 km (0.094 R)
• M29: 21,314,256 km (0.108 R)
• M30: 22,764,158 km (0.028 R)
• M31: 45,745,982 km (0.094 R)
• M32: 46,219,908 km (0.104 R)
• M33: 53,901,459 km (0.075 R)
• M34: 54,607,112 km (0.072 R)
• M35: 63,168,748 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.5

Radius: 3

Gravity: 63.61 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 11.91 AU - 14.13 AU

Year: 18088 Days

Day: 16.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,155,845 km

• M1: 86,168 km (0.092 R)
• M2: 666,608 km (0.112 R)
• M3: 1,034,619 km (0.072 R)
• M4: 1,161,179 km (0.119 R)
• M5: 1,523,654 km (0.07 R)
• M6: 3,188,978 km (0.115 R)
• M7: 4,553,759 km (0.101 R)
• M8: 4,722,206 km (0.102 R)
• M9: 5,000,458 km (0.082 R)
• M10: 5,821,900 km (0.12 R)
• M11: 7,870,494 km (0.056 R)
• M12: 9,898,143 km (0.116 R)
• M13: 12,640,272 km (0.081 R)
• M14: 14,725,367 km (0.095 R)
• M15: 15,019,477 km (0.089 R)
• M16: 16,470,875 km (0.116 R)
• M17: 45,223,885 km (0.083 R)
• M18: 49,363,109 km (0.104 R)
• M19: 49,527,068 km (0.064 R)
• M20: 56,212,597 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.5

Radius: 4.7

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 10.22 AU - 16.58 AU

Year: 18885 Days

Day: 16.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,155,845 km

• M1: 58,493 km (0.101 R)
• M2: 260,749 km (0.047 R)
• M3: 518,207 km (0.112 R)
• M4: 724,353 km (0.087 R)
• M5: 894,595 km (0.119 R)
• M6: 1,159,832 km (0.112 R)
• M7: 1,342,940 km (0.054 R)
• M8: 1,752,689 km (0.058 R)
• M9: 2,731,358 km (0.097 R)
• M10: 2,902,348 km (0.075 R)
• M11: 3,080,519 km (0.111 R)
• M12: 4,083,573 km (0.119 R)
• M13: 4,842,034 km (0.095 R)
• M14: 8,104,165 km (0.068 R)
• M15: 9,681,376 km (0.1 R)
• M16: 9,929,409 km (0.09 R)
• M17: 10,283,657 km (0.091 R)
• M18: 16,658,471 km (0.061 R)
• M19: 17,158,577 km (0.119 R)
• M20: 18,490,446 km (0.067 R)
• M21: 19,651,924 km (0.088 R)
• M22: 20,129,740 km (0.106 R)
• M23: 20,533,804 km (0.102 R)
• M24: 21,863,430 km (0.105 R)
• M25: 23,515,439 km (0.088 R)
• M26: 27,558,022 km (0.103 R)
• M27: 28,865,807 km (0.103 R)
• M28: 33,372,742 km (0.064 R)
• M29: 34,510,882 km (0.114 R)
• M30: 35,089,677 km (0.026 R)
• M31: 37,105,657 km (0.099 R)
• M32: 42,546,831 km (0.06 R)
• M33: 46,361,727 km (0.069 R)
• M34: 46,783,593 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.9

Radius: 6.1

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 14.39 AU - 16.95 AU

Year: 23882 Days

Day: 22.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,155,845 km

• M1: 183,856 km (0.049 R)
• M2: 634,295 km (0.105 R)
• M3: 1,108,520 km (0.105 R)
• M4: 1,648,868 km (0.092 R)
• M5: 2,078,812 km (0.11 R)
• M6: 4,142,664 km (0.084 R)
• M7: 4,417,027 km (0.119 R)
• M8: 6,486,414 km (0.104 R)
• M9: 10,127,925 km (0.066 R)
• M10: 10,683,083 km (0.06 R)
• M11: 30,623,283 km (0.058 R)
• M12: 37,751,172 km (0.066 R)
• M13: 50,556,750 km (0.086 R)
• M14: 52,993,699 km (0.101 R)
• M15: 57,750,164 km (0.052 R)
• M16: 58,452,077 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.3

Radius: 3.6

Gravity: 53.5 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 12.49 AU - 20.37 AU

Year: 25640 Days

Day: 19.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 90,155,845 km

• M1: 44,879 km (0.1 R)
• M2: 164,707 km (0.105 R)
• M3: 342,878 km (0.117 R)
• M4: 519,404 km (0.103 R)
• M5: 832,512 km (0.089 R)
• M6: 1,229,246 km (0.111 R)
• M7: 2,626,639 km (0.119 R)
• M8: 2,942,441 km (0.037 R)
• M9: 3,081,417 km (0.09 R)
• M10: 3,555,343 km (0.075 R)
• M11: 3,842,421 km (0.058 R)
• M12: 4,110,351 km (0.105 R)
• M13: 7,159,305 km (0.085 R)
• M14: 8,421,463 km (0.109 R)
• M15: 10,135,405 km (0.101 R)
• M16: 15,036,980 km (0.074 R)
• M17: 16,039,884 km (0.091 R)
• M18: 18,835,419 km (0.066 R)
• M19: 20,700,157 km (0.048 R)
• M20: 21,210,584 km (0.099 R)
• M21: 22,044,593 km (0.099 R)
• M22: 23,226,715 km (0.028 R)
• M23: 28,378,566 km (0.083 R)
• M24: 30,034,914 km (0.06 R)
• M25: 35,099,550 km (0.087 R)
• M26: 35,970,958 km (0.04 R)
• M27: 49,366,549 km (0.109 R)
• M28: 59,383,174 km (0.04 R)
• M29: 60,412,108 km (0.106 R)
• M30: 62,717,561 km (0.09 R)
• M31: 65,735,698 km (0.099 R)
• M32: 67,726,247 km (0.111 R)
• M33: 68,623,685 km (0.112 R)
• M34: 73,701,635 km (0.111 R)
• M35: 76,090,264 km (0.096 R)
• M36: 76,816,861 km (0.105 R)
• M37: 78,776,892 km (0.11 R)
• M38: 79,272,061 km (0.026 R)
• M39: 85,637,899 km (0.094 R)
• M40: 88,010,372 km (0.063 R)
• M41: 88,810,870 km (0.041 R)
• M42: 89,616,305 km (0.113 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: 533 - 14,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit