🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964

Radius: 9.6

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.51 AU - 0.79 AU

Year: 368 Days

Day: 8.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,590,974 km

• M1: 119,379 km (0.084 R)
• M2: 424,260 km (0.118 R)
• M3: 763,847 km (0.081 R)
• M4: 1,088,923 km (0.098 R)
• M5: 1,712,297 km (0.108 R)
• M6: 2,126,833 km (0.066 R)
• M7: 2,769,356 km (0.113 R)
• M8: 3,930,385 km (0.047 R)
• M9: 4,539,697 km (0.067 R)
• M10: 5,372,359 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.1

Radius: 11.1

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.62 AU - 0.9 AU

Year: 466 Days

Day: 9.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,590,974 km

• M1: 138,079 km (0.11 R)
• M2: 608,714 km (0.089 R)
• M3: 1,015,470 km (0.037 R)
• M4: 2,087,489 km (0.082 R)
• M5: 2,487,962 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.7

Radius: 12.8

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.61 AU - 2.51 AU

Year: 2078 Days

Day: 7.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,590,974 km

• M1: 159,172 km (0.092 R)
• M2: 597,344 km (0.082 R)
• M3: 1,107,922 km (0.093 R)
• M4: 1,556,267 km (0.078 R)
• M5: 2,050,089 km (0.077 R)
• M6: 3,134,823 km (0.12 R)
• M7: 3,865,310 km (0.105 R)
• M8: 4,475,819 km (0.081 R)
• M9: 5,067,179 km (0.038 R)
• M10: 5,959,530 km (0.088 R)
• M11: 6,827,048 km (0.053 R)
• M12: 7,749,469 km (0.052 R)
• M13: 9,458,924 km (0.077 R)
• M14: 10,235,337 km (0.078 R)
• M15: 11,265,168 km (0.062 R)
• M16: 12,325,069 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.8

Radius: 10.4

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.58 AU - 2.6 AU

Year: 2124 Days

Day: 11.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,590,974 km

• M1: 129,402 km (0.08 R)
• M2: 471,383 km (0.052 R)
• M3: 902,075 km (0.113 R)
• M4: 1,475,334 km (0.027 R)
• M5: 1,986,361 km (0.103 R)
• M6: 2,647,882 km (0.065 R)
• M7: 3,069,449 km (0.109 R)
• M8: 3,771,362 km (0.049 R)
• M9: 4,663,414 km (0.082 R)
• M10: 5,551,876 km (0.11 R)
• M11: 7,325,359 km (0.099 R)
• M12: 7,784,924 km (0.12 R)
• M13: 8,186,893 km (0.117 R)
• M14: 8,708,840 km (0.099 R)
• M15: 9,364,378 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822

Radius: 12.2

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.17 AU - 2.99 AU

Year: 2913 Days

Day: 10 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,590,974 km

• M1: 153,039 km (0.077 R)
• M2: 624,272 km (0.101 R)
• M3: 1,250,638 km (0.094 R)
• M4: 1,810,583 km (0.067 R)
• M5: 2,301,563 km (0.101 R)
• M6: 2,880,956 km (0.092 R)
• M7: 3,536,942 km (0.037 R)
• M8: 4,444,553 km (0.093 R)
• M9: 5,001,805 km (0.052 R)
• M10: 5,925,123 km (0.118 R)
• M11: 7,550,653 km (0.088 R)
• M12: 8,588,563 km (0.116 R)
• M13: 9,455,782 km (0.108 R)
• M14: 11,029,552 km (0.064 R)
• M15: 14,095,710 km (0.066 R)
• M16: 14,490,349 km (0.114 R)
• M17: 14,993,895 km (0.084 R)
• M18: 19,393,419 km (0.073 R)
• M19: 20,067,507 km (0.033 R)
• M20: 21,527,283 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.2

Radius: 8.2

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.44 AU - 4.06 AU

Year: 4118 Days

Day: 13.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 119.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,590,974 km

• M1: 102,026 km (0.072 R)
• M2: 380,278 km (0.11 R)
• M3: 998,566 km (0.101 R)
• M4: 1,543,102 km (0.109 R)
• M5: 2,097,661 km (0.044 R)
• M6: 2,731,508 km (0.09 R)
• M7: 3,933,826 km (0.073 R)
• M8: 4,506,636 km (0.098 R)
• M9: 5,256,121 km (0.059 R)
• M10: 6,004,859 km (0.052 R)
• M11: 6,618,958 km (0.089 R)
• M12: 8,678,771 km (0.118 R)
• M13: 9,760,214 km (0.085 R)
• M14: 12,898,179 km (0.06 R)
• M15: 14,351,672 km (0.101 R)
• M16: 15,600,964 km (0.035 R)
• M17: 15,963,439 km (0.073 R)
• M18: 16,651,440 km (0.038 R)
• M19: 19,842,811 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.7

Radius: 9.7

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.94 AU - 4.02 AU

Year: 4563 Days

Day: 10.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,590,974 km

• M1: 120,725 km (0.1 R)
• M2: 449,841 km (0.118 R)
• M3: 810,222 km (0.114 R)
• M4: 1,286,093 km (0.089 R)
• M5: 1,672,953 km (0.104 R)
• M6: 2,010,147 km (0.031 R)
• M7: 2,720,138 km (0.099 R)
• M8: 3,040,427 km (0.116 R)
• M9: 3,931,282 km (0.034 R)
• M10: 7,649,837 km (0.094 R)
• M11: 8,971,384 km (0.062 R)
• M12: 11,686,885 km (0.087 R)
• M13: 12,203,297 km (0.076 R)
• M14: 12,981,505 km (0.05 R)
• M15: 13,637,940 km (0.035 R)
• M16: 14,052,626 km (0.054 R)
• M17: 14,369,324 km (0.077 R)
• M18: 14,690,661 km (0.109 R)
• M19: 15,515,244 km (0.08 R)
• M20: 16,370,345 km (0.102 R)
• M21: 18,995,638 km (0.088 R)
• M22: 19,318,171 km (0.112 R)
• M23: 20,240,592 km (0.09 R)
• M24: 22,387,172 km (0.063 R)
• M25: 24,834,294 km (0.079 R)
• M26: 25,220,107 km (0.091 R)
• M27: 26,082,838 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.4

Radius: 11.1

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.09 AU - 4.81 AU

Year: 6599 Days

Day: 12.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,590,974 km

• M1: 141,669 km (0.052 R)
• M2: 503,696 km (0.086 R)
• M3: 1,032,525 km (0.111 R)
• M4: 1,377,946 km (0.084 R)
• M5: 2,707,871 km (0.097 R)
• M6: 3,749,521 km (0.087 R)
• M7: 4,348,810 km (0.107 R)
• M8: 5,186,857 km (0.119 R)
• M9: 6,229,555 km (0.05 R)
• M10: 7,108,592 km (0.112 R)
• M11: 7,791,207 km (0.079 R)
• M12: 8,270,219 km (0.108 R)
• M13: 8,726,642 km (0.086 R)
• M14: 9,599,396 km (0.075 R)
• M15: 11,878,819 km (0.086 R)
• M16: 13,566,582 km (0.079 R)
• M17: 16,037,191 km (0.118 R)
• M18: 16,682,556 km (0.079 R)
• M19: 17,615,149 km (0.059 R)
• M20: 18,094,162 km (0.062 R)
• M21: 21,773,372 km (0.066 R)
• M22: 22,886,829 km (0.067 R)
• M23: 25,226,839 km (0.041 R)
• M24: 25,573,606 km (0.109 R)
• M25: 27,174,004 km (0.114 R)
• M26: 31,565,899 km (0.06 R)
• M27: 31,968,766 km (0.067 R)
• M28: 35,969,462 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.8

Radius: 6.7

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.24 AU - 5.66 AU

Year: 8943 Days

Day: 18.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,590,974 km

• M1: 83,326 km (0.08 R)
• M2: 556,803 km (0.056 R)
• M3: 1,183,020 km (0.086 R)
• M4: 2,452,358 km (0.101 R)
• M5: 2,930,622 km (0.054 R)
• M6: 4,026,427 km (0.114 R)
• M7: 4,326,670 km (0.105 R)
• M8: 6,452,755 km (0.051 R)
• M9: 7,159,904 km (0.086 R)
• M10: 7,775,948 km (0.12 R)
• M11: 12,866,165 km (0.105 R)
• M12: 19,035,731 km (0.081 R)
• M13: 21,441,115 km (0.064 R)
• M14: 22,933,952 km (0.092 R)
• M15: 24,570,852 km (0.031 R)
• M16: 26,125,174 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.2

Radius: 5.8

Gravity: 18.32 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.12 AU - 7.48 AU

Year: 12464 Days

Day: 16.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,590,974 km

• M1: 98,585 km (0.054 R)
• M2: 416,480 km (0.067 R)
• M3: 634,295 km (0.093 R)
• M4: 1,172,997 km (0.092 R)
• M5: 1,474,287 km (0.027 R)
• M6: 1,909,318 km (0.074 R)
• M7: 2,250,700 km (0.088 R)
• M8: 2,962,636 km (0.074 R)
• M9: 4,122,768 km (0.032 R)
• M10: 4,538,500 km (0.094 R)
• M11: 4,916,534 km (0.104 R)
• M12: 6,177,794 km (0.064 R)
• M13: 10,088,132 km (0.075 R)
• M14: 11,806,414 km (0.088 R)
• M15: 12,827,120 km (0.097 R)
• M16: 15,111,479 km (0.106 R)
• M17: 15,528,558 km (0.108 R)
• M18: 16,313,199 km (0.092 R)
• M19: 16,900,221 km (0.111 R)
• M20: 17,123,870 km (0.101 R)
• M21: 18,429,111 km (0.113 R)
• M22: 18,745,660 km (0.096 R)
• M23: 21,583,831 km (0.078 R)
• M24: 22,470,199 km (0.105 R)
• M25: 26,659,986 km (0.057 R)
• M26: 29,472,875 km (0.08 R)
• M27: 35,680,289 km (0.116 R)
• M28: 41,340,324 km (0.111 R)
• M29: 47,422,226 km (0.113 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: 316 - 10,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit