🌌 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: 684.1

Radius: 14.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.43 AU - 0.59 AU

Year: 256 Days

Day: 12.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,709,620 km

• M1: 185,352 km (0.118 R)
• M2: 691,441 km (0.106 R)
• M3: 1,160,730 km (0.069 R)
• M4: 1,632,711 km (0.118 R)
• M5: 2,244,267 km (0.109 R)
• M6: 2,741,231 km (0.114 R)
• M7: 3,322,419 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.5

Radius: 8.3

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.53 AU - 0.77 AU

Year: 368 Days

Day: 8.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,709,620 km

• M1: 103,223 km (0.048 R)
• M2: 380,577 km (0.119 R)
• M3: 678,426 km (0.114 R)
• M4: 1,015,919 km (0.085 R)
• M5: 1,476,980 km (0.082 R)
• M6: 2,134,462 km (0.1 R)
• M7: 2,566,052 km (0.106 R)
• M8: 3,945,045 km (0.053 R)
• M9: 4,294,506 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.4

Radius: 11.9

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.81 AU - 2.45 AU

Year: 2185 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,709,620 km

• M1: 148,999 km (0.116 R)
• M2: 530,025 km (0.092 R)
• M3: 902,075 km (0.078 R)
• M4: 1,318,256 km (0.094 R)
• M5: 1,788,592 km (0.101 R)
• M6: 2,952,314 km (0.107 R)
• M7: 3,470,820 km (0.111 R)
• M8: 3,899,119 km (0.118 R)
• M9: 4,629,007 km (0.112 R)
• M10: 5,401,231 km (0.028 R)
• M11: 5,929,461 km (0.094 R)
• M12: 6,651,271 km (0.102 R)
• M13: 7,813,198 km (0.12 R)
• M14: 9,306,184 km (0.114 R)
• M15: 9,785,795 km (0.094 R)
• M16: 10,317,765 km (0.117 R)
• M17: 11,247,366 km (0.03 R)
• M18: 11,713,064 km (0.083 R)
• M19: 13,145,165 km (0.041 R)
• M20: 13,793,522 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.3

Radius: 14.7

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.63 AU - 3.69 AU

Year: 3949 Days

Day: 8 Hours

Environment

Temp: -217 °C

Axial Tilt: 161.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,709,620 km

• M1: 182,809 km (0.101 R)
• M2: 776,413 km (0.092 R)
• M3: 1,518,119 km (0.032 R)
• M4: 2,015,981 km (0.091 R)
• M5: 3,141,106 km (0.112 R)
• M6: 3,662,006 km (0.08 R)
• M7: 4,358,983 km (0.06 R)
• M8: 5,555,616 km (0.066 R)
• M9: 6,200,981 km (0.052 R)
• M10: 7,330,595 km (0.075 R)
• M11: 7,999,297 km (0.066 R)
• M12: 9,540,455 km (0.107 R)
• M13: 10,166,821 km (0.108 R)
• M14: 11,548,806 km (0.109 R)
• M15: 12,212,572 km (0.081 R)
• M16: 13,307,030 km (0.114 R)
• M17: 15,125,990 km (0.106 R)
• M18: 16,864,168 km (0.118 R)
• M19: 19,583,109 km (0.116 R)
• M20: 20,391,387 km (0.07 R)
• M21: 21,081,781 km (0.092 R)
• M22: 21,645,316 km (0.119 R)
• M23: 23,773,046 km (0.11 R)
• M24: 24,306,812 km (0.079 R)
• M25: 25,956,427 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.2

Radius: 10.3

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.09 AU - 4.81 AU

Year: 6599 Days

Day: 13.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,709,620 km

• M1: 128,056 km (0.064 R)
• M2: 1,100,741 km (0.086 R)
• M3: 1,580,053 km (0.094 R)
• M4: 2,069,836 km (0.047 R)
• M5: 3,443,743 km (0.108 R)
• M6: 4,887,213 km (0.084 R)
• M7: 5,259,861 km (0.101 R)
• M8: 6,291,638 km (0.057 R)
• M9: 7,987,330 km (0.101 R)
• M10: 9,303,791 km (0.088 R)
• M11: 10,243,116 km (0.063 R)
• M12: 12,153,481 km (0.09 R)
• M13: 14,232,592 km (0.038 R)
• M14: 15,356,521 km (0.111 R)
• M15: 15,909,135 km (0.104 R)
• M16: 16,284,775 km (0.058 R)
• M17: 19,507,562 km (0.108 R)
• M18: 29,282,586 km (0.115 R)
• M19: 29,942,313 km (0.027 R)
• M20: 34,841,045 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.9

Radius: 8.2

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.79 AU - 5.71 AU

Year: 7277 Days

Day: 10.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,709,620 km

• M1: 102,026 km (0.047 R)
• M2: 413,040 km (0.058 R)
• M3: 762,949 km (0.081 R)
• M4: 1,276,219 km (0.081 R)
• M5: 1,858,754 km (0.08 R)
• M6: 2,771,899 km (0.116 R)
• M7: 3,885,954 km (0.102 R)
• M8: 4,375,738 km (0.118 R)
• M9: 5,045,188 km (0.114 R)
• M10: 5,419,332 km (0.087 R)
• M11: 5,781,060 km (0.11 R)
• M12: 6,552,985 km (0.059 R)
• M13: 7,319,375 km (0.115 R)
• M14: 7,612,437 km (0.093 R)
• M15: 8,419,219 km (0.047 R)
• M16: 8,822,983 km (0.074 R)
• M17: 10,707,767 km (0.11 R)
• M18: 11,472,960 km (0.052 R)
• M19: 14,156,147 km (0.11 R)
• M20: 16,161,058 km (0.093 R)
• M21: 17,103,076 km (0.05 R)
• M22: 17,751,134 km (0.106 R)
• M23: 19,165,133 km (0.103 R)
• M24: 19,442,637 km (0.091 R)
• M25: 20,363,561 km (0.081 R)
• M26: 29,259,249 km (0.085 R)
• M27: 30,185,858 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.2

Radius: 6.2

Gravity: 15.3 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 9.76 AU - 9.88 AU

Year: 21631 Days

Day: 17.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,709,620 km

• M1: 77,193 km (0.075 R)
• M2: 551,268 km (0.085 R)
• M3: 823,087 km (0.04 R)
• M4: 1,933,702 km (0.11 R)
• M5: 2,173,807 km (0.084 R)
• M6: 2,571,587 km (0.083 R)
• M7: 6,214,296 km (0.101 R)
• M8: 8,132,888 km (0.072 R)
• M9: 9,649,811 km (0.105 R)
• M10: 10,904,787 km (0.093 R)
• M11: 15,870,988 km (0.058 R)
• M12: 22,062,096 km (0.076 R)
• M13: 23,802,368 km (0.111 R)
• M14: 36,901,157 km (0.048 R)
• M15: 41,896,080 km (0.052 R)
• M16: 43,919,242 km (0.059 R)
• M17: 46,006,731 km (0.048 R)
• M18: 50,378,130 km (0.053 R)
• M19: 75,518,202 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.1

Radius: 3.6

Gravity: 31.33 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 10.12 AU - 10.5 AU

Year: 23270 Days

Day: 17.3 Hours

Environment

Temp: -245 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,709,620 km

• M1: 45,029 km (0.109 R)
• M2: 238,609 km (0.078 R)
• M3: 373,845 km (0.079 R)
• M4: 552,764 km (0.099 R)
• M5: 950,246 km (0.104 R)
• M6: 1,466,807 km (0.083 R)
• M7: 2,538,377 km (0.115 R)
• M8: 2,701,438 km (0.087 R)
• M9: 3,314,341 km (0.12 R)
• M10: 4,739,111 km (0.119 R)
• M11: 5,469,448 km (0.108 R)
• M12: 5,942,027 km (0.069 R)
• M13: 6,570,338 km (0.097 R)
• M14: 7,908,641 km (0.095 R)
• M15: 8,409,495 km (0.062 R)
• M16: 8,930,993 km (0.093 R)
• M17: 9,363,480 km (0.096 R)
• M18: 9,584,885 km (0.085 R)
• M19: 10,744,867 km (0.107 R)
• M20: 17,967,901 km (0.092 R)
• M21: 22,658,542 km (0.075 R)
• M22: 24,700,703 km (0.051 R)
• M23: 26,310,526 km (0.116 R)
• M24: 30,336,055 km (0.086 R)
• M25: 30,456,780 km (0.086 R)
• M26: 33,707,991 km (0.103 R)
• M27: 39,007,046 km (0.079 R)
• M28: 41,778,646 km (0.105 R)
• M29: 43,288,837 km (0.081 R)
• M30: 43,902,936 km (0.078 R)
• M31: 54,891,348 km (0.03 R)
• M32: 55,430,349 km (0.106 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: 261 - 19,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit