🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.2

Radius: 13.7

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.49 AU - 0.75 AU

Year: 326 Days

Day: 13.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,667,358 km

• M1: 170,392 km (0.089 R)
• M2: 668,104 km (0.072 R)
• M3: 1,097,151 km (0.119 R)
• M4: 1,660,686 km (0.081 R)
• M5: 2,165,130 km (0.088 R)
• M6: 2,879,161 km (0.066 R)
• M7: 3,617,277 km (0.102 R)
• M8: 4,398,626 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789

Radius: 8.2

Gravity: 11.73 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.19 AU - 1.37 AU

Year: 966 Days

Day: 14.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,667,358 km

• M1: 102,026 km (0.046 R)
• M2: 379,231 km (0.059 R)
• M3: 636,838 km (0.083 R)
• M4: 1,245,851 km (0.119 R)
• M5: 1,608,925 km (0.107 R)
• M6: 3,557,737 km (0.096 R)
• M7: 3,898,521 km (0.099 R)
• M8: 4,193,378 km (0.108 R)
• M9: 4,865,222 km (0.053 R)
• M10: 5,226,950 km (0.095 R)
• M11: 5,983,316 km (0.081 R)
• M12: 6,511,696 km (0.088 R)
• M13: 6,881,053 km (0.03 R)
• M14: 7,362,160 km (0.061 R)
• M15: 7,661,505 km (0.072 R)
• M16: 7,994,959 km (0.048 R)
• M17: 8,663,512 km (0.086 R)
• M18: 8,941,166 km (0.103 R)
• M19: 9,750,340 km (0.087 R)
• M20: 10,050,883 km (0.106 R)
• M21: 10,513,439 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 8.3

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.27 AU - 1.35 AU

Year: 1000 Days

Day: 6.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,667,358 km

• M1: 103,223 km (0.102 R)
• M2: 444,754 km (0.044 R)
• M3: 997,668 km (0.118 R)
• M4: 1,510,041 km (0.114 R)
• M5: 2,209,261 km (0.058 R)
• M6: 2,885,893 km (0.105 R)
• M7: 3,300,727 km (0.092 R)
• M8: 3,603,962 km (0.108 R)
• M9: 4,435,726 km (0.025 R)
• M10: 5,409,609 km (0.067 R)
• M11: 5,689,207 km (0.095 R)
• M12: 5,999,473 km (0.068 R)
• M13: 6,699,292 km (0.1 R)
• M14: 7,428,133 km (0.09 R)
• M15: 8,392,291 km (0.084 R)
• M16: 8,849,761 km (0.075 R)
• M17: 9,755,876 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.6

Radius: 12

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3 AU - 3.1 AU

Year: 3552 Days

Day: 11.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,667,358 km

• M1: 153,637 km (0.082 R)
• M2: 622,926 km (0.066 R)
• M3: 1,212,790 km (0.044 R)
• M4: 1,613,263 km (0.072 R)
• M5: 3,545,918 km (0.064 R)
• M6: 5,511,485 km (0.109 R)
• M7: 7,703,094 km (0.081 R)
• M8: 8,475,467 km (0.12 R)
• M9: 9,107,070 km (0.094 R)
• M10: 9,650,708 km (0.102 R)
• M11: 10,174,600 km (0.046 R)
• M12: 11,367,942 km (0.09 R)
• M13: 13,133,945 km (0.112 R)
• M14: 13,727,849 km (0.072 R)
• M15: 15,453,759 km (0.104 R)
• M16: 17,378,785 km (0.116 R)
• M17: 20,231,167 km (0.029 R)
• M18: 22,460,624 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.8

Radius: 13.5

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.44 AU - 4.34 AU

Year: 5116 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,667,358 km

• M1: 210,634 km (0.105 R)
• M2: 688,449 km (0.036 R)
• M3: 1,191,846 km (0.082 R)
• M4: 1,973,944 km (0.051 R)
• M5: 2,549,597 km (0.059 R)
• M6: 4,019,844 km (0.059 R)
• M7: 4,793,116 km (0.115 R)
• M8: 5,633,856 km (0.12 R)
• M9: 7,042,320 km (0.077 R)
• M10: 7,682,000 km (0.086 R)
• M11: 8,914,836 km (0.118 R)
• M12: 10,231,148 km (0.106 R)
• M13: 11,480,141 km (0.099 R)
• M14: 12,519,846 km (0.116 R)
• M15: 13,513,774 km (0.115 R)
• M16: 14,002,660 km (0.068 R)
• M17: 18,482,368 km (0.089 R)
• M18: 26,108,568 km (0.101 R)
• M19: 28,431,524 km (0.09 R)
• M20: 28,876,428 km (0.113 R)
• M21: 30,238,966 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.3

Radius: 4.9

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.8 AU - 7.02 AU

Year: 9581 Days

Day: 20.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,667,358 km

• M1: 62,831 km (0.113 R)
• M2: 218,712 km (0.113 R)
• M3: 411,394 km (0.116 R)
• M4: 574,007 km (0.107 R)
• M5: 915,090 km (0.083 R)
• M6: 1,178,532 km (0.092 R)
• M7: 1,345,782 km (0.103 R)
• M8: 1,541,905 km (0.025 R)
• M9: 1,961,527 km (0.101 R)
• M10: 3,085,905 km (0.059 R)
• M11: 3,297,436 km (0.037 R)
• M12: 4,089,707 km (0.079 R)
• M13: 4,887,961 km (0.109 R)
• M14: 5,414,097 km (0.111 R)
• M15: 6,509,751 km (0.112 R)
• M16: 7,939,458 km (0.12 R)
• M17: 8,916,332 km (0.088 R)
• M18: 9,086,724 km (0.102 R)
• M19: 9,433,791 km (0.031 R)
• M20: 12,377,429 km (0.056 R)
• M21: 13,912,901 km (0.045 R)
• M22: 15,024,563 km (0.061 R)
• M23: 15,632,678 km (0.081 R)
• M24: 15,942,944 km (0.072 R)
• M25: 16,575,594 km (0.05 R)
• M26: 17,224,848 km (0.115 R)
• M27: 17,422,916 km (0.107 R)
• M28: 18,643,186 km (0.039 R)
• M29: 22,018,712 km (0.025 R)
• M30: 22,330,175 km (0.111 R)
• M31: 22,644,480 km (0.114 R)
• M32: 27,271,841 km (0.115 R)
• M33: 28,727,578 km (0.071 R)
• M34: 33,404,606 km (0.11 R)
• M35: 35,281,760 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.7

Radius: 3.2

Gravity: 18.23 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 8.92 AU - 10.46 AU

Year: 20115 Days

Day: 21.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,667,358 km

• M1: 39,793 km (0.11 R)
• M2: 242,498 km (0.102 R)
• M3: 812,915 km (0.119 R)
• M4: 929,751 km (0.114 R)
• M5: 1,091,466 km (0.09 R)
• M6: 2,234,843 km (0.094 R)
• M7: 3,066,308 km (0.116 R)
• M8: 3,602,018 km (0.106 R)
• M9: 3,811,604 km (0.108 R)
• M10: 4,548,822 km (0.088 R)
• M11: 6,603,549 km (0.093 R)
• M12: 7,118,465 km (0.095 R)
• M13: 15,393,471 km (0.096 R)
• M14: 17,675,138 km (0.09 R)
• M15: 19,052,785 km (0.092 R)
• M16: 19,527,309 km (0.098 R)
• M17: 20,335,886 km (0.09 R)
• M18: 22,454,341 km (0.105 R)
• M19: 25,469,636 km (0.118 R)
• M20: 28,537,888 km (0.077 R)
• M21: 30,000,806 km (0.116 R)
• M22: 30,858,899 km (0.063 R)
• M23: 32,623,705 km (0.097 R)
• M24: 35,040,608 km (0.116 R)
• M25: 36,353,031 km (0.08 R)
• M26: 42,196,922 km (0.118 R)
• M27: 43,545,098 km (0.096 R)
• M28: 46,611,705 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.5

Radius: 3.4

Gravity: 57.48 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.38 AU - 11.04 AU

Year: 21755 Days

Day: 18 Hours

Environment

Temp: -243 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 79,667,358 km

• M1: 47,423 km (0.115 R)
• M2: 251,474 km (0.096 R)
• M3: 387,159 km (0.119 R)
• M4: 748,588 km (0.091 R)
• M5: 1,271,582 km (0.111 R)
• M6: 1,524,103 km (0.102 R)
• M7: 2,651,473 km (0.085 R)
• M8: 3,117,021 km (0.064 R)
• M9: 3,369,243 km (0.094 R)
• M10: 3,544,722 km (0.04 R)
• M11: 4,308,867 km (0.102 R)
• M12: 4,693,334 km (0.076 R)
• M13: 5,331,818 km (0.057 R)
• M14: 6,506,460 km (0.098 R)
• M15: 6,641,697 km (0.095 R)
• M16: 8,415,179 km (0.109 R)
• M17: 8,684,156 km (0.064 R)
• M18: 8,848,116 km (0.068 R)
• M19: 9,352,859 km (0.026 R)
• M20: 11,433,167 km (0.119 R)
• M21: 12,441,606 km (0.086 R)
• M22: 12,580,433 km (0.074 R)
• M23: 13,289,976 km (0.11 R)
• M24: 14,788,348 km (0.117 R)
• M25: 20,915,577 km (0.099 R)
• M26: 26,199,823 km (0.068 R)
• M27: 26,772,633 km (0.117 R)
• M28: 28,420,753 km (0.079 R)
• M29: 29,762,197 km (0.04 R)
• M30: 29,886,214 km (0.091 R)
• M31: 38,412,844 km (0.092 R)
• M32: 48,941,991 km (0.119 R)
• M33: 53,568,006 km (0.118 R)
• M34: 55,797,911 km (0.027 R)
• M35: 58,089,003 km (0.098 R)
• M36: 60,840,108 km (0.073 R)
• M37: 63,471,385 km (0.114 R)
• M38: 71,818,647 km (0.105 R)
• M39: 73,164,429 km (0.026 R)
• M40: 74,984,736 km (0.11 R)
• M41: 75,444,600 km (0.056 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 16,735 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit