🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.9

Radius: 14.9

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.23 AU - 1.83 AU

Year: 1222 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,118,604 km

• M1: 188,045 km (0.102 R)
• M2: 960,418 km (0.087 R)
• M3: 1,446,911 km (0.038 R)
• M4: 1,947,315 km (0.088 R)
• M5: 2,716,548 km (0.12 R)
• M6: 3,209,622 km (0.05 R)
• M7: 3,698,359 km (0.069 R)
• M8: 4,237,060 km (0.094 R)
• M9: 5,024,095 km (0.088 R)
• M10: 5,906,872 km (0.099 R)
• M11: 6,527,703 km (0.064 R)
• M12: 7,739,147 km (0.096 R)
• M13: 8,202,601 km (0.064 R)
• M14: 8,859,336 km (0.092 R)
• M15: 9,367,071 km (0.057 R)
• M16: 10,117,154 km (0.116 R)
• M17: 11,042,567 km (0.08 R)
• M18: 12,277,796 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.8

Radius: 14.3

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.41 AU - 2.31 AU

Year: 1638 Days

Day: 10.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,118,604 km

• M1: 177,872 km (0.047 R)
• M2: 695,780 km (0.112 R)
• M3: 1,189,453 km (0.095 R)
• M4: 2,343,899 km (0.115 R)
• M5: 2,866,445 km (0.1 R)
• M6: 3,533,352 km (0.057 R)
• M7: 4,757,960 km (0.031 R)
• M8: 5,267,939 km (0.088 R)
• M9: 5,720,772 km (0.116 R)
• M10: 6,551,040 km (0.074 R)
• M11: 7,685,890 km (0.101 R)
• M12: 11,465,181 km (0.095 R)
• M13: 11,958,704 km (0.04 R)
• M14: 14,335,665 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.6

Radius: 8.5

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.98 AU - 2.98 AU

Year: 3322 Days

Day: 9.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,118,604 km

• M1: 106,065 km (0.118 R)
• M2: 471,832 km (0.1 R)
• M3: 799,750 km (0.08 R)
• M4: 1,087,427 km (0.074 R)
• M5: 1,456,036 km (0.119 R)
• M6: 2,223,174 km (0.052 R)
• M7: 2,857,918 km (0.092 R)
• M8: 4,029,867 km (0.108 R)
• M9: 4,344,173 km (0.114 R)
• M10: 5,281,254 km (0.076 R)
• M11: 6,376,908 km (0.102 R)
• M12: 7,350,491 km (0.101 R)
• M13: 7,617,224 km (0.119 R)
• M14: 8,312,256 km (0.115 R)
• M15: 8,786,332 km (0.119 R)
• M16: 9,472,388 km (0.087 R)
• M17: 10,358,755 km (0.091 R)
• M18: 14,882,295 km (0.102 R)
• M19: 16,472,072 km (0.061 R)
• M20: 16,757,205 km (0.112 R)
• M21: 20,440,754 km (0.099 R)
• M22: 21,575,155 km (0.077 R)
• M23: 22,400,935 km (0.049 R)
• M24: 24,854,639 km (0.109 R)
• M25: 25,154,583 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.8

Radius: 13.6

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.4 AU - 4.78 AU

Year: 6349 Days

Day: 7.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,118,604 km

• M1: 169,345 km (0.112 R)
• M2: 603,179 km (0.1 R)
• M3: 1,175,839 km (0.054 R)
• M4: 2,037,224 km (0.09 R)
• M5: 3,168,184 km (0.081 R)
• M6: 3,953,573 km (0.1 R)
• M7: 5,557,411 km (0.057 R)
• M8: 6,506,311 km (0.106 R)
• M9: 7,560,527 km (0.065 R)
• M10: 9,707,256 km (0.099 R)
• M11: 10,225,014 km (0.086 R)
• M12: 10,670,517 km (0.025 R)
• M13: 12,036,645 km (0.097 R)
• M14: 12,787,626 km (0.068 R)
• M15: 15,057,175 km (0.086 R)
• M16: 15,810,999 km (0.097 R)
• M17: 16,589,955 km (0.103 R)
• M18: 18,224,611 km (0.097 R)
• M19: 19,282,567 km (0.117 R)
• M20: 23,309,592 km (0.06 R)
• M21: 23,771,850 km (0.097 R)
• M22: 26,424,818 km (0.074 R)
• M23: 28,038,830 km (0.118 R)
• M24: 29,898,182 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.9

Radius: 4.8

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.56 AU - 7.42 AU

Year: 10675 Days

Day: 24.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 178.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,118,604 km

• M1: 60,886 km (0.083 R)
• M2: 381,026 km (0.092 R)
• M3: 582,534 km (0.07 R)
• M4: 902,075 km (0.103 R)
• M5: 3,834,044 km (0.112 R)
• M6: 4,149,695 km (0.108 R)
• M7: 4,482,401 km (0.079 R)
• M8: 5,587,929 km (0.079 R)
• M9: 7,744,383 km (0.114 R)
• M10: 9,322,042 km (0.114 R)
• M11: 11,557,034 km (0.103 R)
• M12: 17,839,995 km (0.083 R)
• M13: 21,873,004 km (0.043 R)
• M14: 23,317,222 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.5

Radius: 6

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.13 AU - 8.37 AU

Year: 15300 Days

Day: 23.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,118,604 km

• M1: 74,649 km (0.117 R)
• M2: 364,869 km (0.095 R)
• M3: 956,529 km (0.061 R)
• M4: 1,284,298 km (0.118 R)
• M5: 1,503,758 km (0.067 R)
• M6: 2,202,679 km (0.074 R)
• M7: 2,417,202 km (0.108 R)
• M8: 2,820,967 km (0.115 R)
• M9: 3,548,910 km (0.11 R)
• M10: 4,365,116 km (0.055 R)
• M11: 7,384,899 km (0.048 R)
• M12: 8,752,223 km (0.069 R)
• M13: 10,334,221 km (0.087 R)
• M14: 11,164,190 km (0.091 R)
• M15: 11,508,265 km (0.096 R)
• M16: 14,656,851 km (0.116 R)
• M17: 15,349,041 km (0.044 R)
• M18: 17,402,571 km (0.109 R)
• M19: 18,099,697 km (0.049 R)
• M20: 18,574,670 km (0.086 R)
• M21: 23,045,702 km (0.07 R)
• M22: 24,553,648 km (0.11 R)
• M23: 25,826,277 km (0.047 R)
• M24: 26,126,071 km (0.102 R)
• M25: 28,396,219 km (0.115 R)
• M26: 28,822,573 km (0.092 R)
• M27: 33,324,571 km (0.094 R)
• M28: 35,371,968 km (0.117 R)
• M29: 35,741,774 km (0.081 R)
• M30: 36,238,887 km (0.11 R)
• M31: 37,374,186 km (0.102 R)
• M32: 40,786,962 km (0.097 R)
• M33: 46,729,139 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.3

Radius: 3.6

Gravity: 41.3 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.23 AU - 10.35 AU

Year: 21313 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,118,604 km

• M1: 69,862 km (0.112 R)
• M2: 436,377 km (0.112 R)
• M3: 2,328,790 km (0.098 R)
• M4: 3,867,554 km (0.093 R)
• M5: 4,022,836 km (0.084 R)
• M6: 6,440,787 km (0.045 R)
• M7: 6,615,218 km (0.056 R)
• M8: 10,923,786 km (0.079 R)
• M9: 11,808,807 km (0.119 R)
• M10: 14,824,850 km (0.04 R)
• M11: 19,110,978 km (0.098 R)
• M12: 19,471,210 km (0.077 R)
• M13: 22,022,602 km (0.114 R)
• M14: 22,319,254 km (0.064 R)
• M15: 22,920,339 km (0.056 R)
• M16: 24,575,789 km (0.055 R)
• M17: 27,661,843 km (0.114 R)
• M18: 33,928,049 km (0.088 R)
• M19: 35,123,785 km (0.117 R)
• M20: 35,800,117 km (0.09 R)
• M21: 37,881,023 km (0.075 R)
• M22: 44,290,694 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 20,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit