🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.3

Radius: 11.2

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.51 AU - 0.51 AU

Year: 243 Days

Day: 6.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 140.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,837,488 km

• M1: 139,276 km (0.091 R)
• M2: 499,058 km (0.102 R)
• M3: 926,460 km (0.09 R)
• M4: 1,287,888 km (0.073 R)
• M5: 1,686,417 km (0.057 R)
• M6: 2,183,531 km (0.088 R)
• M7: 2,594,625 km (0.099 R)
• M8: 2,948,873 km (0.086 R)
• M9: 3,325,112 km (0.118 R)
• M10: 3,791,109 km (0.104 R)
• M11: 4,287,924 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.8

Radius: 8.2

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.49 AU - 0.75 AU

Year: 326 Days

Day: 6 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,837,488 km

• M1: 111,301 km (0.039 R)
• M2: 380,876 km (0.052 R)
• M3: 670,946 km (0.069 R)
• M4: 948,600 km (0.063 R)
• M5: 1,225,506 km (0.094 R)
• M6: 1,537,417 km (0.12 R)
• M7: 1,805,945 km (0.073 R)
• M8: 2,307,098 km (0.104 R)
• M9: 2,709,965 km (0.109 R)
• M10: 2,969,518 km (0.114 R)
• M11: 3,300,877 km (0.112 R)
• M12: 3,645,102 km (0.112 R)
• M13: 4,141,019 km (0.098 R)
• M14: 4,794,911 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.2

Radius: 14.7

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.63 AU - 0.73 AU

Year: 374 Days

Day: 13.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,837,488 km

• M1: 182,809 km (0.117 R)
• M2: 646,412 km (0.046 R)
• M3: 1,126,771 km (0.095 R)
• M4: 1,740,422 km (0.106 R)
• M5: 2,611,380 km (0.079 R)
• M6: 3,090,692 km (0.112 R)
• M7: 3,675,769 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.5

Radius: 10.8

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.91 AU - 0.99 AU

Year: 617 Days

Day: 14.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,837,488 km

• M1: 134,339 km (0.077 R)
• M2: 520,451 km (0.088 R)
• M3: 1,183,319 km (0.086 R)
• M4: 1,593,517 km (0.047 R)
• M5: 1,993,242 km (0.12 R)
• M6: 2,360,954 km (0.08 R)
• M7: 2,796,134 km (0.097 R)
• M8: 3,284,571 km (0.099 R)
• M9: 4,181,859 km (0.055 R)
• M10: 5,017,961 km (0.091 R)
• M11: 6,167,920 km (0.114 R)
• M12: 6,574,826 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.5

Radius: 9.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.39 AU - 2.19 AU

Year: 1597 Days

Day: 11.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,837,488 km

• M1: 123,119 km (0.095 R)
• M2: 696,827 km (0.074 R)
• M3: 1,341,444 km (0.101 R)
• M4: 2,346,443 km (0.076 R)
• M5: 2,722,232 km (0.11 R)
• M6: 3,501,039 km (0.091 R)
• M7: 4,098,383 km (0.109 R)
• M8: 5,625,778 km (0.097 R)
• M9: 6,694,355 km (0.118 R)
• M10: 7,916,719 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.7

Radius: 10

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.31 AU - 3.65 AU

Year: 3430 Days

Day: 13.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,837,488 km

• M1: 124,465 km (0.11 R)
• M2: 495,169 km (0.078 R)
• M3: 1,079,049 km (0.107 R)
• M4: 1,504,805 km (0.055 R)
• M5: 2,041,562 km (0.047 R)
• M6: 2,421,990 km (0.109 R)
• M7: 2,766,962 km (0.117 R)
• M8: 4,724,002 km (0.104 R)
• M9: 5,266,443 km (0.114 R)
• M10: 6,301,212 km (0.104 R)
• M11: 7,466,131 km (0.085 R)
• M12: 8,307,319 km (0.104 R)
• M13: 10,097,856 km (0.072 R)
• M14: 10,623,992 km (0.069 R)
• M15: 12,132,088 km (0.082 R)
• M16: 14,885,886 km (0.102 R)
• M17: 15,198,246 km (0.065 R)
• M18: 15,889,687 km (0.11 R)
• M19: 18,090,422 km (0.073 R)
• M20: 20,232,065 km (0.103 R)
• M21: 21,003,691 km (0.047 R)
• M22: 23,226,865 km (0.07 R)
• M23: 23,576,924 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.6

Radius: 10.2

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.52 AU - 6.56 AU

Year: 8695 Days

Day: 15 Hours

Environment

Temp: -233 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,837,488 km

• M1: 128,804 km (0.064 R)
• M2: 483,949 km (0.076 R)
• M3: 842,984 km (0.056 R)
• M4: 1,289,982 km (0.085 R)
• M5: 1,719,478 km (0.075 R)
• M6: 2,062,655 km (0.077 R)
• M7: 2,485,120 km (0.119 R)
• M8: 3,118,667 km (0.086 R)
• M9: 3,656,322 km (0.102 R)
• M10: 4,377,383 km (0.084 R)
• M11: 5,856,308 km (0.117 R)
• M12: 6,257,230 km (0.101 R)
• M13: 6,742,825 km (0.057 R)
• M14: 7,535,843 km (0.116 R)
• M15: 7,973,716 km (0.105 R)
• M16: 9,515,322 km (0.097 R)
• M17: 9,940,779 km (0.057 R)
• M18: 10,467,961 km (0.076 R)
• M19: 13,074,555 km (0.106 R)
• M20: 13,923,223 km (0.084 R)
• M21: 15,438,351 km (0.097 R)
• M22: 16,507,527 km (0.107 R)
• M23: 20,080,821 km (0.119 R)
• M24: 21,498,710 km (0.099 R)
• M25: 22,084,236 km (0.086 R)
• M26: 22,680,384 km (0.114 R)
• M27: 23,982,633 km (0.069 R)
• M28: 26,235,427 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.6

Radius: 8

Gravity: 14.12 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.01 AU - 6.25 AU

Year: 10121 Days

Day: 17.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,837,488 km

• M1: 99,483 km (0.098 R)
• M2: 382,971 km (0.082 R)
• M3: 1,443,619 km (0.065 R)
• M4: 1,898,547 km (0.089 R)
• M5: 2,506,064 km (0.071 R)
• M6: 5,590,921 km (0.066 R)
• M7: 7,157,061 km (0.095 R)
• M8: 7,709,526 km (0.085 R)
• M9: 9,488,095 km (0.099 R)
• M10: 9,740,916 km (0.11 R)
• M11: 10,526,604 km (0.098 R)
• M12: 12,164,252 km (0.055 R)
• M13: 13,325,131 km (0.12 R)
• M14: 15,168,027 km (0.068 R)
• M15: 19,110,380 km (0.077 R)
• M16: 24,152,576 km (0.113 R)
• M17: 25,296,252 km (0.107 R)
• M18: 29,476,615 km (0.116 R)
• M19: 30,124,523 km (0.101 R)
• M20: 31,003,261 km (0.105 R)
• M21: 33,741,949 km (0.111 R)
• M22: 34,689,652 km (0.076 R)
• M23: 35,290,736 km (0.094 R)
• M24: 35,654,857 km (0.106 R)
• M25: 37,386,901 km (0.107 R)
• M26: 37,638,824 km (0.068 R)
• M27: 38,401,474 km (0.101 R)
• M28: 40,089,237 km (0.052 R)
• M29: 41,420,509 km (0.097 R)
• M30: 41,961,305 km (0.103 R)
• M31: 44,594,228 km (0.042 R)
• M32: 45,162,251 km (0.115 R)
• M33: 49,729,025 km (0.07 R)
• M34: 50,647,257 km (0.063 R)
• M35: 52,517,230 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.5

Radius: 4.5

Gravity: 25.75 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.22 AU - 11.02 AU

Year: 21468 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,837,488 km

• M1: 56,099 km (0.107 R)
• M2: 282,441 km (0.111 R)
• M3: 502,050 km (0.115 R)
• M4: 799,601 km (0.101 R)
• M5: 1,349,971 km (0.119 R)
• M6: 1,688,212 km (0.074 R)
• M7: 2,309,193 km (0.099 R)
• M8: 4,274,460 km (0.111 R)
• M9: 5,486,801 km (0.053 R)
• M10: 7,468,524 km (0.037 R)
• M11: 7,612,288 km (0.061 R)
• M12: 9,429,303 km (0.084 R)
• M13: 9,881,837 km (0.099 R)
• M14: 11,014,592 km (0.039 R)
• M15: 11,263,672 km (0.088 R)
• M16: 12,297,543 km (0.099 R)
• M17: 12,701,158 km (0.049 R)
• M18: 12,906,108 km (0.063 R)
• M19: 14,776,829 km (0.087 R)
• M20: 15,698,352 km (0.08 R)
• M21: 15,934,567 km (0.062 R)
• M22: 17,910,306 km (0.12 R)
• M23: 20,602,170 km (0.028 R)
• M24: 21,075,647 km (0.058 R)
• M25: 24,278,538 km (0.085 R)
• M26: 24,806,618 km (0.068 R)
• M27: 25,450,487 km (0.115 R)
• M28: 33,542,685 km (0.103 R)
• M29: 36,076,574 km (0.068 R)
• M30: 42,886,418 km (0.091 R)
• M31: 44,595,275 km (0.088 R)
• M32: 49,993,514 km (0.117 R)
• M33: 56,361,297 km (0.105 R)
• M34: 58,409,591 km (0.08 R)
• M35: 65,663,293 km (0.099 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: 295 - 15,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit