🌌 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: 675.4

Radius: 10.3

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.48 AU - 0.76 AU

Year: 337 Days

Day: 9.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,105,388 km

• M1: 128,056 km (0.103 R)
• M2: 524,490 km (0.065 R)
• M3: 1,278,164 km (0.103 R)
• M4: 2,069,238 km (0.107 R)
• M5: 3,616,229 km (0.113 R)
• M6: 3,965,989 km (0.109 R)
• M7: 4,391,595 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.6

Radius: 10.4

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.55 AU - 0.89 AU

Year: 422 Days

Day: 10 Hours

Environment

Temp: -167 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,105,388 km

• M1: 129,402 km (0.104 R)
• M2: 483,949 km (0.082 R)
• M3: 897,288 km (0.025 R)
• M4: 1,277,865 km (0.105 R)
• M5: 1,615,208 km (0.119 R)
• M6: 2,026,303 km (0.079 R)
• M7: 2,378,008 km (0.079 R)
• M8: 2,879,909 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.6

Radius: 13.1

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.2 AU - 1.8 AU

Year: 1268 Days

Day: 8.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,105,388 km

• M1: 163,510 km (0.059 R)
• M2: 615,146 km (0.1 R)
• M3: 1,161,179 km (0.12 R)
• M4: 1,768,696 km (0.091 R)
• M5: 2,203,577 km (0.027 R)
• M6: 3,325,411 km (0.097 R)
• M7: 3,913,032 km (0.116 R)
• M8: 4,531,918 km (0.078 R)
• M9: 5,073,462 km (0.09 R)
• M10: 6,148,472 km (0.12 R)
• M11: 7,712,668 km (0.097 R)
• M12: 8,177,020 km (0.119 R)
• M13: 8,982,604 km (0.083 R)
• M14: 9,528,038 km (0.086 R)
• M15: 11,228,966 km (0.115 R)
• M16: 11,970,373 km (0.072 R)
• M17: 12,445,496 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.2

Radius: 8.3

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.42 AU - 1.7 AU

Year: 1345 Days

Day: 12.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,105,388 km

• M1: 104,270 km (0.064 R)
• M2: 406,457 km (0.112 R)
• M3: 747,092 km (0.07 R)
• M4: 1,413,849 km (0.079 R)
• M5: 1,823,598 km (0.075 R)
• M6: 2,287,651 km (0.101 R)
• M7: 2,828,447 km (0.105 R)
• M8: 3,122,257 km (0.105 R)
• M9: 4,076,093 km (0.087 R)
• M10: 4,696,625 km (0.108 R)
• M11: 5,090,217 km (0.113 R)
• M12: 5,484,258 km (0.049 R)
• M13: 6,170,912 km (0.075 R)
• M14: 7,714,463 km (0.034 R)
• M15: 8,263,188 km (0.083 R)
• M16: 9,285,689 km (0.077 R)
• M17: 9,561,847 km (0.07 R)
• M18: 10,788,550 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.2

Radius: 13.4

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.3 AU - 2.42 AU

Year: 2503 Days

Day: 14.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,105,388 km

• M1: 166,802 km (0.098 R)
• M2: 672,891 km (0.069 R)
• M3: 1,245,103 km (0.071 R)
• M4: 1,755,830 km (0.049 R)
• M5: 2,774,293 km (0.107 R)
• M6: 4,385,162 km (0.095 R)
• M7: 4,940,619 km (0.033 R)
• M8: 5,467,952 km (0.073 R)
• M9: 6,193,352 km (0.103 R)
• M10: 6,750,155 km (0.098 R)
• M11: 9,177,979 km (0.094 R)
• M12: 9,681,825 km (0.067 R)
• M13: 10,903,142 km (0.058 R)
• M14: 15,185,081 km (0.103 R)
• M15: 15,789,158 km (0.096 R)
• M16: 20,234,458 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.5

Radius: 11

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.76 AU - 5.84 AU

Year: 8422 Days

Day: 5.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,105,388 km

• M1: 140,622 km (0.042 R)
• M2: 833,111 km (0.105 R)
• M3: 1,230,143 km (0.11 R)
• M4: 1,660,088 km (0.104 R)
• M5: 2,094,370 km (0.077 R)
• M6: 2,889,333 km (0.112 R)
• M7: 3,899,119 km (0.061 R)
• M8: 4,786,234 km (0.032 R)
• M9: 5,644,926 km (0.065 R)
• M10: 6,294,779 km (0.083 R)
• M11: 6,850,086 km (0.051 R)
• M12: 8,926,056 km (0.068 R)
• M13: 9,582,791 km (0.063 R)
• M14: 10,603,946 km (0.086 R)
• M15: 14,161,832 km (0.098 R)
• M16: 16,304,971 km (0.1 R)
• M17: 18,938,492 km (0.077 R)
• M18: 19,511,901 km (0.096 R)
• M19: 21,148,352 km (0.1 R)
• M20: 22,078,701 km (0.096 R)
• M21: 28,990,721 km (0.092 R)
• M22: 31,216,737 km (0.071 R)
• M23: 33,346,712 km (0.089 R)
• M24: 34,926,166 km (0.05 R)
• M25: 36,006,562 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.6

Radius: 5.7

Gravity: 22.61 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.24 AU - 7.02 AU

Year: 9221 Days

Day: 16.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,105,388 km

• M1: 71,059 km (0.111 R)
• M2: 294,857 km (0.059 R)
• M3: 665,561 km (0.117 R)
• M4: 1,036,115 km (0.049 R)
• M5: 1,238,222 km (0.038 R)
• M6: 2,164,831 km (0.094 R)
• M7: 2,952,912 km (0.088 R)
• M8: 3,246,124 km (0.06 R)
• M9: 3,760,741 km (0.111 R)
• M10: 4,617,787 km (0.081 R)
• M11: 7,834,440 km (0.072 R)
• M12: 8,397,078 km (0.077 R)
• M13: 8,756,412 km (0.092 R)
• M14: 9,699,627 km (0.051 R)
• M15: 10,347,984 km (0.096 R)
• M16: 11,238,989 km (0.108 R)
• M17: 11,842,018 km (0.092 R)
• M18: 12,698,765 km (0.059 R)
• M19: 12,934,082 km (0.086 R)
• M20: 13,842,441 km (0.107 R)
• M21: 15,989,320 km (0.067 R)
• M22: 20,123,606 km (0.09 R)
• M23: 25,101,924 km (0.085 R)
• M24: 25,286,977 km (0.052 R)
• M25: 26,130,559 km (0.077 R)
• M26: 26,511,435 km (0.114 R)
• M27: 32,898,517 km (0.085 R)
• M28: 34,698,927 km (0.063 R)
• M29: 38,741,061 km (0.047 R)
• M30: 39,735,738 km (0.092 R)
• M31: 40,365,993 km (0.081 R)
• M32: 44,558,324 km (0.07 R)
• M33: 45,512,609 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.4

Radius: 5.9

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.12 AU - 7.78 AU

Year: 12647 Days

Day: 20.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,105,388 km

• M1: 73,453 km (0.089 R)
• M2: 333,753 km (0.103 R)
• M3: 631,901 km (0.106 R)
• M4: 952,041 km (0.069 R)
• M5: 1,178,831 km (0.09 R)
• M6: 1,401,732 km (0.055 R)
• M7: 1,623,436 km (0.108 R)
• M8: 1,868,627 km (0.04 R)
• M9: 2,227,811 km (0.102 R)
• M10: 3,364,456 km (0.077 R)
• M11: 3,843,618 km (0.11 R)
• M12: 4,113,493 km (0.112 R)
• M13: 4,843,680 km (0.096 R)
• M14: 5,420,679 km (0.078 R)
• M15: 7,344,807 km (0.106 R)
• M16: 7,803,474 km (0.119 R)
• M17: 8,325,421 km (0.104 R)
• M18: 10,081,550 km (0.06 R)
• M19: 15,221,135 km (0.063 R)
• M20: 19,034,235 km (0.105 R)
• M21: 19,345,398 km (0.118 R)
• M22: 19,898,312 km (0.112 R)
• M23: 24,983,892 km (0.115 R)
• M24: 26,789,687 km (0.094 R)
• M25: 32,504,476 km (0.067 R)
• M26: 33,850,857 km (0.105 R)
• M27: 35,468,309 km (0.074 R)
• M28: 37,015,600 km (0.047 R)
• M29: 38,981,016 km (0.067 R)
• M30: 39,862,447 km (0.093 R)
• M31: 42,985,153 km (0.102 R)
• M32: 43,386,674 km (0.108 R)
• M33: 47,397,243 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.3

Radius: 7.5

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.72 AU - 10.66 AU

Year: 17682 Days

Day: 20.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,105,388 km

• M1: 93,349 km (0.045 R)
• M2: 994,826 km (0.111 R)
• M3: 1,246,449 km (0.081 R)
• M4: 2,680,195 km (0.089 R)
• M5: 3,532,155 km (0.073 R)
• M6: 4,299,892 km (0.047 R)
• M7: 5,146,017 km (0.083 R)
• M8: 5,638,344 km (0.107 R)
• M9: 5,880,692 km (0.075 R)
• M10: 7,484,531 km (0.096 R)
• M11: 8,743,696 km (0.1 R)
• M12: 12,020,189 km (0.104 R)
• M13: 13,361,483 km (0.08 R)
• M14: 17,020,049 km (0.092 R)
• M15: 17,272,720 km (0.084 R)
• M16: 20,290,109 km (0.077 R)
• M17: 23,020,569 km (0.061 R)
• M18: 25,820,293 km (0.078 R)
• M19: 26,830,079 km (0.115 R)
• M20: 29,018,247 km (0.045 R)
• M21: 30,294,167 km (0.086 R)
• M22: 31,607,038 km (0.117 R)

Asteroid Belt

Center: 9.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.9

Radius: 4.6

Gravity: 36.38 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.09 AU - 10.73 AU

Year: 21534 Days

Day: 20.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,105,388 km

• M1: 472,430 km (0.064 R)
• M2: 871,108 km (0.116 R)
• M3: 1,567,935 km (0.107 R)
• M4: 2,041,113 km (0.108 R)
• M5: 4,367,061 km (0.073 R)
• M6: 5,950,106 km (0.048 R)
• M7: 8,035,799 km (0.038 R)
• M8: 8,461,256 km (0.113 R)
• M9: 18,356,706 km (0.05 R)
• M10: 18,907,525 km (0.103 R)
• M11: 21,321,586 km (0.114 R)
• M12: 22,341,993 km (0.099 R)
• M13: 24,150,931 km (0.094 R)
• M14: 33,710,384 km (0.052 R)
• M15: 38,864,629 km (0.088 R)
• M16: 40,693,014 km (0.073 R)
• M17: 43,866,284 km (0.07 R)
• M18: 44,684,585 km (0.061 R)
• M19: 46,859,887 km (0.111 R)
• M20: 61,003,768 km (0.106 R)
• M21: 62,228,226 km (0.092 R)
• M22: 62,639,920 km (0.085 R)
• M23: 62,846,514 km (0.063 R)
• M24: 65,785,963 km (0.089 R)
• M25: 74,455,159 km (0.105 R)
• M26: 79,908,451 km (0.039 R)
• M27: 82,360,210 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 17,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit