🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.1

Radius: 10.4

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.73 AU - 0.75 AU

Year: 439 Days

Day: 12.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,785,049 km

• M1: 129,402 km (0.073 R)
• M2: 506,688 km (0.092 R)
• M3: 991,086 km (0.028 R)
• M4: 1,824,944 km (0.101 R)
• M5: 2,305,752 km (0.043 R)
• M6: 2,752,002 km (0.096 R)
• M7: 3,147,838 km (0.061 R)
• M8: 3,699,107 km (0.081 R)
• M9: 4,183,056 km (0.09 R)
• M10: 4,864,923 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.8

Radius: 8.8

Gravity: 11.61 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.02 AU - 1.36 AU

Year: 896 Days

Day: 5.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,785,049 km

• M1: 109,506 km (0.076 R)
• M2: 410,347 km (0.052 R)
• M3: 2,024,957 km (0.108 R)
• M4: 2,310,838 km (0.094 R)
• M5: 2,835,328 km (0.085 R)
• M6: 3,139,910 km (0.034 R)
• M7: 3,691,327 km (0.105 R)
• M8: 4,710,239 km (0.089 R)
• M9: 7,439,951 km (0.079 R)
• M10: 8,581,831 km (0.113 R)
• M11: 9,024,791 km (0.104 R)
• M12: 9,806,739 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.4

Radius: 10.6

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.21 AU - 1.65 AU

Year: 1180 Days

Day: 5.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,785,049 km

• M1: 132,993 km (0.036 R)
• M2: 500,704 km (0.12 R)
• M3: 873,352 km (0.087 R)
• M4: 1,239,568 km (0.04 R)
• M5: 1,710,203 km (0.113 R)
• M6: 2,330,884 km (0.113 R)
• M7: 3,515,700 km (0.097 R)
• M8: 4,053,055 km (0.056 R)
• M9: 4,751,528 km (0.108 R)
• M10: 5,254,176 km (0.06 R)
• M11: 6,769,453 km (0.098 R)
• M12: 7,480,043 km (0.095 R)
• M13: 8,006,628 km (0.033 R)
• M14: 8,344,719 km (0.106 R)
• M15: 9,388,463 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.8

Radius: 8.7

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.45 AU - 1.47 AU

Year: 1218 Days

Day: 11.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,785,049 km

• M1: 108,608 km (0.105 R)
• M2: 447,298 km (0.088 R)
• M3: 815,159 km (0.111 R)
• M4: 1,166,564 km (0.113 R)
• M5: 1,455,886 km (0.066 R)
• M6: 1,793,529 km (0.025 R)
• M7: 2,216,592 km (0.1 R)
• M8: 2,579,666 km (0.105 R)
• M9: 3,009,460 km (0.109 R)
• M10: 3,456,160 km (0.113 R)
• M11: 4,428,695 km (0.066 R)
• M12: 4,721,608 km (0.067 R)
• M13: 5,245,201 km (0.108 R)
• M14: 5,785,548 km (0.063 R)
• M15: 6,977,245 km (0.082 R)
• M16: 7,400,158 km (0.09 R)
• M17: 9,060,395 km (0.096 R)
• M18: 10,024,105 km (0.075 R)
• M19: 10,338,858 km (0.07 R)
• M20: 10,692,807 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.4

Radius: 9.4

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.35 AU - 1.95 AU

Year: 1463 Days

Day: 5.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,785,049 km

• M1: 116,836 km (0.096 R)
• M2: 697,724 km (0.081 R)
• M3: 1,012,030 km (0.1 R)
• M4: 1,687,015 km (0.11 R)
• M5: 2,108,732 km (0.111 R)
• M6: 2,699,344 km (0.069 R)
• M7: 3,082,165 km (0.088 R)
• M8: 3,669,785 km (0.078 R)
• M9: 4,525,186 km (0.07 R)
• M10: 5,426,214 km (0.116 R)
• M11: 5,908,518 km (0.115 R)
• M12: 6,238,381 km (0.073 R)
• M13: 7,252,804 km (0.114 R)
• M14: 7,554,543 km (0.119 R)
• M15: 8,023,083 km (0.07 R)
• M16: 8,428,194 km (0.112 R)
• M17: 8,733,972 km (0.115 R)
• M18: 9,696,036 km (0.106 R)
• M19: 10,954,902 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398

Radius: 10.5

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.41 AU - 2.15 AU

Year: 1639 Days

Day: 6.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,785,049 km

• M1: 130,599 km (0.101 R)
• M2: 522,545 km (0.108 R)
• M3: 860,936 km (0.111 R)
• M4: 1,329,626 km (0.115 R)
• M5: 2,059,364 km (0.117 R)
• M6: 2,442,484 km (0.109 R)
• M7: 3,583,916 km (0.106 R)
• M8: 4,091,352 km (0.042 R)
• M9: 4,874,048 km (0.113 R)
• M10: 5,667,665 km (0.101 R)
• M11: 6,243,168 km (0.116 R)
• M12: 8,568,816 km (0.103 R)
• M13: 9,208,048 km (0.066 R)
• M14: 9,754,380 km (0.095 R)
• M15: 11,283,270 km (0.054 R)
• M16: 11,628,093 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.4

Radius: 11.2

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.13 AU - 2.47 AU

Year: 2408 Days

Day: 13.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,785,049 km

• M1: 139,276 km (0.086 R)
• M2: 810,222 km (0.119 R)
• M3: 1,183,020 km (0.102 R)
• M4: 1,682,976 km (0.086 R)
• M5: 2,663,440 km (0.088 R)
• M6: 3,177,608 km (0.09 R)
• M7: 3,551,005 km (0.092 R)
• M8: 3,899,418 km (0.111 R)
• M9: 4,426,003 km (0.071 R)
• M10: 5,042,346 km (0.111 R)
• M11: 6,221,027 km (0.111 R)
• M12: 6,782,917 km (0.079 R)
• M13: 7,804,072 km (0.117 R)
• M14: 10,393,761 km (0.066 R)
• M15: 12,728,684 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.5

Radius: 12.5

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.54 AU - 3.44 AU

Year: 3569 Days

Day: 12.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,785,049 km

• M1: 155,432 km (0.097 R)
• M2: 830,567 km (0.07 R)
• M3: 1,446,163 km (0.051 R)
• M4: 1,962,126 km (0.094 R)
• M5: 2,876,318 km (0.088 R)
• M6: 3,401,556 km (0.091 R)
• M7: 3,813,250 km (0.047 R)
• M8: 6,444,227 km (0.042 R)
• M9: 7,449,376 km (0.066 R)
• M10: 8,364,466 km (0.104 R)
• M11: 8,863,524 km (0.087 R)
• M12: 10,417,996 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.3

Radius: 6.8

Gravity: 16.33 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.85 AU - 6.13 AU

Year: 10119 Days

Day: 17.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,785,049 km

• M1: 88,562 km (0.079 R)
• M2: 320,887 km (0.053 R)
• M3: 940,223 km (0.097 R)
• M4: 1,250,189 km (0.113 R)
• M5: 1,612,515 km (0.107 R)
• M6: 2,332,680 km (0.058 R)
• M7: 2,950,369 km (0.094 R)
• M8: 4,655,486 km (0.074 R)
• M9: 5,094,555 km (0.062 R)
• M10: 6,970,214 km (0.092 R)
• M11: 8,284,580 km (0.101 R)
• M12: 8,835,250 km (0.119 R)
• M13: 11,283,719 km (0.05 R)
• M14: 11,731,615 km (0.119 R)
• M15: 12,484,690 km (0.064 R)
• M16: 12,842,977 km (0.099 R)
• M17: 14,804,205 km (0.083 R)
• M18: 15,960,447 km (0.096 R)
• M19: 17,994,081 km (0.107 R)
• M20: 19,869,589 km (0.111 R)
• M21: 20,688,189 km (0.096 R)
• M22: 24,188,181 km (0.096 R)
• M23: 26,369,617 km (0.079 R)
• M24: 27,058,664 km (0.051 R)
• M25: 31,337,912 km (0.099 R)
• M26: 31,667,625 km (0.075 R)
• M27: 32,222,334 km (0.113 R)
• M28: 35,211,898 km (0.112 R)
• M29: 36,409,279 km (0.088 R)
• M30: 36,651,927 km (0.11 R)
• M31: 38,006,237 km (0.11 R)
• M32: 40,164,186 km (0.104 R)
• M33: 41,603,168 km (0.096 R)
• M34: 43,620,495 km (0.118 R)
• M35: 43,894,259 km (0.092 R)
• M36: 45,561,378 km (0.082 R)
• M37: 46,838,944 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.5

Radius: 4.5

Gravity: 44.27 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.19 AU - 11.35 AU

Year: 19482 Days

Day: 16.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,785,049 km

• M1: 62,083 km (0.036 R)
• M2: 270,772 km (0.111 R)
• M3: 914,342 km (0.114 R)
• M4: 1,089,820 km (0.098 R)
• M5: 1,509,143 km (0.096 R)
• M6: 3,869,050 km (0.101 R)
• M7: 4,229,431 km (0.097 R)
• M8: 4,400,421 km (0.116 R)
• M9: 5,730,197 km (0.115 R)
• M10: 6,285,803 km (0.092 R)
• M11: 6,783,366 km (0.045 R)
• M12: 7,065,507 km (0.091 R)
• M13: 7,209,570 km (0.074 R)
• M14: 11,950,177 km (0.064 R)
• M15: 12,292,607 km (0.084 R)
• M16: 15,112,078 km (0.119 R)
• M17: 16,586,664 km (0.062 R)
• M18: 21,986,848 km (0.107 R)
• M19: 31,849,985 km (0.096 R)
• M20: 36,359,613 km (0.106 R)
• M21: 43,009,388 km (0.088 R)
• M22: 45,781,436 km (0.099 R)
• M23: 46,787,632 km (0.075 R)
• M24: 46,956,677 km (0.112 R)
• M25: 58,061,776 km (0.066 R)
• M26: 58,845,519 km (0.092 R)
• M27: 69,027,898 km (0.118 R)
• M28: 73,044,601 km (0.194 R)
• M29: 73,728,862 km (0.095 R)
• M30: 75,807,375 km (0.102 R)
• M31: 78,878,020 km (0.133 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 14,033 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit