🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.89 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.6

Radius: 9.2

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.58 AU - 1.96 AU

Year: 1625 Days

Day: 5.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,291,550 km

• M1: 114,442 km (0.119 R)
• M2: 1,080,695 km (0.106 R)
• M3: 1,626,727 km (0.12 R)
• M4: 2,347,191 km (0.091 R)
• M5: 2,649,677 km (0.077 R)
• M6: 4,696,924 km (0.083 R)
• M7: 6,680,443 km (0.102 R)
• M8: 7,062,216 km (0.116 R)
• M9: 7,918,814 km (0.074 R)
• M10: 8,527,378 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544

Radius: 8.7

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.59 AU - 1.97 AU

Year: 1639 Days

Day: 11.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,291,550 km

• M1: 108,159 km (0.042 R)
• M2: 635,641 km (0.101 R)
• M3: 1,023,698 km (0.103 R)
• M4: 1,350,420 km (0.073 R)
• M5: 1,717,384 km (0.118 R)
• M6: 2,027,350 km (0.105 R)
• M7: 2,474,050 km (0.1 R)
• M8: 2,886,042 km (0.088 R)
• M9: 3,327,655 km (0.081 R)
• M10: 4,038,993 km (0.095 R)
• M11: 4,554,208 km (0.057 R)
• M12: 5,030,228 km (0.099 R)
• M13: 5,301,749 km (0.11 R)
• M14: 6,058,415 km (0.12 R)
• M15: 6,390,223 km (0.076 R)
• M16: 7,116,371 km (0.084 R)
• M17: 8,437,470 km (0.091 R)
• M18: 8,821,936 km (0.095 R)
• M19: 10,921,991 km (0.118 R)
• M20: 11,702,443 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48

Radius: 8.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.06 AU - 4.72 AU

Year: 5296 Days

Day: 6.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,291,550 km

• M1: 111,002 km (0.12 R)
• M2: 947,703 km (0.111 R)
• M3: 1,277,117 km (0.066 R)
• M4: 2,483,624 km (0.065 R)
• M5: 6,849,488 km (0.081 R)
• M6: 7,792,553 km (0.055 R)
• M7: 8,238,504 km (0.114 R)
• M8: 8,613,247 km (0.076 R)
• M9: 10,096,510 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.9

Radius: 7.5

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.45 AU - 5.67 AU

Year: 9049 Days

Day: 22.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,291,550 km

• M1: 93,199 km (0.119 R)
• M2: 830,268 km (0.093 R)
• M3: 1,407,866 km (0.104 R)
• M4: 1,785,151 km (0.11 R)
• M5: 2,616,168 km (0.051 R)
• M6: 3,108,045 km (0.058 R)
• M7: 4,875,993 km (0.064 R)
• M8: 5,772,533 km (0.068 R)
• M9: 7,963,693 km (0.074 R)
• M10: 8,830,164 km (0.115 R)
• M11: 10,111,021 km (0.116 R)
• M12: 10,842,554 km (0.113 R)
• M13: 14,922,238 km (0.091 R)
• M14: 15,391,078 km (0.107 R)
• M15: 17,818,752 km (0.072 R)
• M16: 18,547,144 km (0.112 R)
• M17: 20,778,845 km (0.092 R)
• M18: 21,585,626 km (0.062 R)
• M19: 23,339,811 km (0.114 R)
• M20: 24,291,702 km (0.08 R)
• M21: 24,940,658 km (0.08 R)
• M22: 25,600,983 km (0.066 R)
• M23: 29,078,685 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.9

Radius: 5

Gravity: 39.52 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.78 AU - 7.92 AU

Year: 13754 Days

Day: 21.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,291,550 km

• M1: 62,233 km (0.069 R)
• M2: 311,313 km (0.11 R)
• M3: 566,078 km (0.089 R)
• M4: 794,365 km (0.108 R)
• M5: 1,224,758 km (0.092 R)
• M6: 1,515,426 km (0.032 R)
• M7: 3,676,368 km (0.115 R)
• M8: 4,031,663 km (0.095 R)
• M9: 4,607,016 km (0.087 R)
• M10: 9,255,620 km (0.079 R)
• M11: 9,580,098 km (0.083 R)
• M12: 11,688,231 km (0.055 R)
• M13: 11,876,874 km (0.107 R)
• M14: 12,783,587 km (0.064 R)
• M15: 16,874,191 km (0.112 R)
• M16: 20,368,947 km (0.097 R)
• M17: 22,236,527 km (0.045 R)
• M18: 27,620,404 km (0.11 R)
• M19: 29,903,118 km (0.113 R)
• M20: 31,939,744 km (0.064 R)
• M21: 34,195,081 km (0.118 R)
• M22: 45,508,570 km (0.118 R)
• M23: 54,234,763 km (0.066 R)
• M24: 58,162,306 km (0.068 R)
• M25: 58,712,228 km (0.098 R)
• M26: 60,570,083 km (0.086 R)
• M27: 65,781,325 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476

Radius: 4.4

Gravity: 24.59 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 9.53 AU - 10.29 AU

Year: 21534 Days

Day: 24.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,291,550 km

• M1: 55,052 km (0.111 R)
• M2: 199,564 km (0.096 R)
• M3: 349,909 km (0.087 R)
• M4: 1,057,358 km (0.06 R)
• M5: 2,835,179 km (0.063 R)
• M6: 5,447,158 km (0.096 R)
• M7: 6,039,864 km (0.027 R)
• M8: 6,630,926 km (0.104 R)
• M9: 7,352,735 km (0.091 R)
• M10: 8,276,053 km (0.047 R)
• M11: 10,001,814 km (0.087 R)
• M12: 13,363,727 km (0.12 R)
• M13: 16,270,564 km (0.092 R)
• M14: 22,005,548 km (0.057 R)
• M15: 24,008,962 km (0.028 R)
• M16: 25,054,801 km (0.077 R)
• M17: 27,125,086 km (0.117 R)
• M18: 29,780,299 km (0.065 R)
• M19: 30,864,733 km (0.076 R)
• M20: 32,100,262 km (0.116 R)
• M21: 32,351,288 km (0.034 R)
• M22: 40,067,695 km (0.09 R)
• M23: 46,318,792 km (0.086 R)
• M24: 57,509,909 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.9

Radius: 7

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.58 AU - 12.56 AU

Year: 23720 Days

Day: 24.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,291,550 km

• M1: 115,041 km (0.117 R)
• M2: 392,246 km (0.062 R)
• M3: 2,504,568 km (0.099 R)
• M4: 3,012,004 km (0.116 R)
• M5: 3,233,259 km (0.086 R)
• M6: 4,062,330 km (0.087 R)
• M7: 4,473,276 km (0.088 R)
• M8: 6,444,826 km (0.101 R)
• M9: 8,219,356 km (0.057 R)
• M10: 10,172,805 km (0.114 R)
• M11: 11,125,594 km (0.093 R)
• M12: 12,276,001 km (0.111 R)
• M13: 18,216,533 km (0.058 R)
• M14: 19,048,895 km (0.108 R)
• M15: 22,318,357 km (0.036 R)
• M16: 24,140,309 km (0.06 R)
• M17: 28,199,348 km (0.092 R)
• M18: 28,690,478 km (0.087 R)
• M19: 31,362,296 km (0.12 R)
• M20: 33,233,017 km (0.034 R)
• M21: 44,204,376 km (0.118 R)
• M22: 50,768,730 km (0.096 R)
• M23: 52,598,163 km (0.071 R)
• M24: 61,787,960 km (0.085 R)
• M25: 62,408,342 km (0.09 R)
• M26: 63,661,823 km (0.113 R)
• M27: 66,651,387 km (0.091 R)
• M28: 67,085,968 km (0.06 R)
• M29: 67,960,817 km (0.114 R)
• M30: 68,180,726 km (0.067 R)
• M31: 68,843,145 km (0.077 R)
• M32: 76,416,836 km (0.107 R)
• M33: 76,654,547 km (0.099 R)
• M34: 77,370,822 km (0.084 R)
• M35: 78,574,636 km (0.208 R)
• M36: 78,816,835 km (0.166 R)
• M37: 79,546,573 km (0.119 R)
• M38: 84,526,986 km (0.032 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 14,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit