🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.75 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.1

Radius: 8.5

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.07 AU - 3.93 AU

Year: 4228 Days

Day: 7.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,276,437 km

• M1: 105,766 km (0.103 R)
• M2: 1,495,530 km (0.108 R)
• M3: 2,155,855 km (0.098 R)
• M4: 3,675,620 km (0.086 R)
• M5: 4,102,422 km (0.079 R)
• M6: 4,738,961 km (0.047 R)
• M7: 7,088,845 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.9

Radius: 10.3

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.31 AU - 5.23 AU

Year: 5697 Days

Day: 10.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,276,437 km

• M1: 128,056 km (0.089 R)
• M2: 618,886 km (0.049 R)
• M3: 1,345,782 km (0.1 R)
• M4: 2,758,136 km (0.093 R)
• M5: 3,333,190 km (0.102 R)
• M6: 4,773,518 km (0.084 R)
• M7: 5,244,602 km (0.092 R)
• M8: 5,891,763 km (0.081 R)
• M9: 6,528,152 km (0.043 R)
• M10: 6,977,544 km (0.098 R)
• M11: 8,228,481 km (0.093 R)
• M12: 8,638,978 km (0.047 R)
• M13: 9,623,182 km (0.095 R)
• M14: 14,423,628 km (0.112 R)
• M15: 15,076,773 km (0.113 R)
• M16: 16,150,736 km (0.064 R)
• M17: 16,736,262 km (0.075 R)
• M18: 17,949,501 km (0.059 R)
• M19: 19,350,784 km (0.074 R)
• M20: 20,212,468 km (0.077 R)
• M21: 21,307,674 km (0.071 R)
• M22: 23,244,966 km (0.065 R)
• M23: 24,446,985 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339

Radius: 10.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.87 AU - 4.81 AU

Year: 5838 Days

Day: 13.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,276,437 km

• M1: 132,843 km (0.118 R)
• M2: 552,315 km (0.058 R)
• M3: 1,401,582 km (0.118 R)
• M4: 3,230,865 km (0.117 R)
• M5: 3,793,353 km (0.105 R)
• M6: 4,349,708 km (0.067 R)
• M7: 4,709,042 km (0.107 R)
• M8: 5,166,662 km (0.105 R)
• M9: 5,681,578 km (0.071 R)
• M10: 6,564,355 km (0.083 R)
• M11: 7,201,941 km (0.04 R)
• M12: 7,775,948 km (0.094 R)
• M13: 8,199,310 km (0.071 R)
• M14: 11,337,275 km (0.075 R)
• M15: 13,421,771 km (0.119 R)
• M16: 14,135,353 km (0.111 R)
• M17: 14,820,661 km (0.06 R)
• M18: 16,371,542 km (0.084 R)
• M19: 19,277,630 km (0.072 R)
• M20: 19,858,519 km (0.058 R)
• M21: 20,384,505 km (0.095 R)
• M22: 21,740,311 km (0.089 R)
• M23: 22,724,665 km (0.109 R)
• M24: 23,155,357 km (0.108 R)
• M25: 23,811,792 km (0.065 R)
• M26: 25,468,738 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.9

Radius: 10.3

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.95 AU - 5.91 AU

Year: 7068 Days

Day: 9.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,276,437 km

• M1: 131,497 km (0.049 R)
• M2: 517,908 km (0.098 R)
• M3: 840,590 km (0.073 R)
• M4: 1,533,977 km (0.033 R)
• M5: 2,833,533 km (0.12 R)
• M6: 3,325,411 km (0.107 R)
• M7: 4,481,204 km (0.119 R)
• M8: 5,070,470 km (0.106 R)
• M9: 5,710,749 km (0.106 R)
• M10: 6,035,676 km (0.092 R)
• M11: 7,922,105 km (0.106 R)
• M12: 8,439,863 km (0.089 R)
• M13: 9,138,635 km (0.11 R)
• M14: 10,388,375 km (0.109 R)
• M15: 13,224,302 km (0.109 R)
• M16: 15,041,767 km (0.075 R)
• M17: 15,836,431 km (0.058 R)
• M18: 16,959,462 km (0.111 R)
• M19: 19,165,881 km (0.049 R)
• M20: 20,167,738 km (0.103 R)
• M21: 20,578,085 km (0.055 R)
• M22: 20,924,254 km (0.087 R)
• M23: 22,420,981 km (0.074 R)
• M24: 25,388,105 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.2

Radius: 8.6

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.84 AU - 6.9 AU

Year: 9183 Days

Day: 10 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,276,437 km

• M1: 106,962 km (0.062 R)
• M2: 441,912 km (0.085 R)
• M3: 774,319 km (0.118 R)
• M4: 1,061,846 km (0.045 R)
• M5: 1,422,077 km (0.061 R)
• M6: 1,806,693 km (0.115 R)
• M7: 2,116,361 km (0.074 R)
• M8: 3,415,768 km (0.054 R)
• M9: 4,518,903 km (0.115 R)
• M10: 5,268,239 km (0.083 R)
• M11: 6,227,909 km (0.08 R)
• M12: 6,595,022 km (0.116 R)
• M13: 8,816,850 km (0.088 R)
• M14: 10,580,609 km (0.106 R)
• M15: 15,265,266 km (0.096 R)
• M16: 15,933,968 km (0.057 R)
• M17: 16,813,155 km (0.117 R)
• M18: 18,736,385 km (0.034 R)
• M19: 23,014,735 km (0.096 R)
• M20: 29,456,419 km (0.118 R)
• M21: 31,163,929 km (0.083 R)
• M22: 31,552,136 km (0.118 R)
• M23: 32,041,919 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.2

Radius: 4.9

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.85 AU - 7.45 AU

Year: 11073 Days

Day: 19 Hours

Environment

Temp: -221 °C

Axial Tilt: 68.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,276,437 km

• M1: 67,319 km (0.079 R)
• M2: 225,145 km (0.115 R)
• M3: 1,879,996 km (0.088 R)
• M4: 2,429,021 km (0.093 R)
• M5: 3,648,542 km (0.099 R)
• M6: 4,852,955 km (0.084 R)
• M7: 6,068,737 km (0.076 R)
• M8: 6,233,743 km (0.054 R)
• M9: 8,955,826 km (0.119 R)
• M10: 10,765,960 km (0.078 R)
• M11: 16,842,925 km (0.087 R)
• M12: 17,433,687 km (0.101 R)
• M13: 20,007,818 km (0.101 R)
• M14: 22,272,430 km (0.105 R)
• M15: 23,710,215 km (0.094 R)
• M16: 30,852,317 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.2

Radius: 5.6

Gravity: 16.17 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.44 AU - 9.26 AU

Year: 15579 Days

Day: 15.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,276,437 km

• M1: 80,932 km (0.117 R)
• M2: 335,847 km (0.113 R)
• M3: 768,634 km (0.028 R)
• M4: 979,118 km (0.119 R)
• M5: 1,641,238 km (0.03 R)
• M6: 2,923,442 km (0.073 R)
• M7: 3,339,772 km (0.045 R)
• M8: 4,537,902 km (0.064 R)
• M9: 5,233,532 km (0.03 R)
• M10: 6,074,422 km (0.116 R)
• M11: 7,610,642 km (0.09 R)
• M12: 10,456,891 km (0.066 R)
• M13: 11,193,062 km (0.102 R)
• M14: 16,351,646 km (0.078 R)
• M15: 17,419,774 km (0.108 R)
• M16: 18,130,514 km (0.1 R)
• M17: 18,942,830 km (0.103 R)
• M18: 20,814,599 km (0.042 R)
• M19: 21,345,671 km (0.05 R)
• M20: 22,899,694 km (0.095 R)
• M21: 24,137,766 km (0.11 R)
• M22: 27,163,981 km (0.05 R)
• M23: 28,118,865 km (0.118 R)
• M24: 29,871,553 km (0.095 R)
• M25: 32,992,015 km (0.105 R)
• M26: 34,569,076 km (0.085 R)
• M27: 35,313,625 km (0.074 R)
• M28: 37,741,897 km (0.032 R)
• M29: 38,398,931 km (0.102 R)
• M30: 38,663,869 km (0.072 R)
• M31: 43,070,723 km (0.062 R)
• M32: 45,988,330 km (0.088 R)
• M33: 49,817,288 km (0.098 R)
• M34: 53,029,304 km (0.108 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: 233 - 11,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit