🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.4

Radius: 11.8

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.36 AU - 1.6 AU

Year: 1266 Days

Day: 5.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,428,866 km

• M1: 147,504 km (0.088 R)
• M2: 572,960 km (0.081 R)
• M3: 961,316 km (0.077 R)
• M4: 1,396,945 km (0.08 R)
• M5: 1,857,407 km (0.028 R)
• M6: 2,837,124 km (0.106 R)
• M7: 4,133,688 km (0.072 R)
• M8: 4,571,113 km (0.108 R)
• M9: 5,985,261 km (0.068 R)
• M10: 6,900,800 km (0.092 R)
• M11: 7,468,075 km (0.042 R)
• M12: 8,528,874 km (0.088 R)
• M13: 9,418,084 km (0.082 R)
• M14: 10,085,888 km (0.099 R)
• M15: 10,463,324 km (0.115 R)
• M16: 10,948,320 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.4

Radius: 11

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.45 AU - 2.73 AU

Year: 2930 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,428,866 km

• M1: 136,882 km (0.11 R)
• M2: 792,121 km (0.094 R)
• M3: 1,617,751 km (0.117 R)
• M4: 1,967,511 km (0.106 R)
• M5: 2,532,692 km (0.085 R)
• M6: 2,900,254 km (0.116 R)
• M7: 3,781,535 km (0.106 R)
• M8: 5,238,917 km (0.037 R)
• M9: 5,791,083 km (0.096 R)
• M10: 9,708,453 km (0.088 R)
• M11: 11,345,951 km (0.118 R)
• M12: 16,034,947 km (0.089 R)
• M13: 17,565,782 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.6

Radius: 11.2

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.72 AU - 3.58 AU

Year: 3930 Days

Day: 14.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,428,866 km

• M1: 139,276 km (0.092 R)
• M2: 540,348 km (0.073 R)
• M3: 1,018,014 km (0.103 R)
• M4: 1,443,171 km (0.07 R)
• M5: 1,852,171 km (0.095 R)
• M6: 2,277,478 km (0.049 R)
• M7: 2,630,529 km (0.087 R)
• M8: 3,152,626 km (0.101 R)
• M9: 3,593,790 km (0.097 R)
• M10: 4,778,006 km (0.068 R)
• M11: 6,707,819 km (0.117 R)
• M12: 7,581,022 km (0.112 R)
• M13: 8,191,830 km (0.09 R)
• M14: 9,968,155 km (0.083 R)
• M15: 10,482,472 km (0.104 R)
• M16: 10,834,925 km (0.047 R)
• M17: 11,893,031 km (0.108 R)
• M18: 14,976,692 km (0.116 R)
• M19: 15,368,189 km (0.086 R)
• M20: 19,667,333 km (0.071 R)
• M21: 21,876,145 km (0.043 R)
• M22: 22,672,156 km (0.111 R)
• M23: 23,487,464 km (0.083 R)
• M24: 24,553,199 km (0.112 R)
• M25: 26,211,791 km (0.113 R)
• M26: 27,691,912 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.8

Radius: 9

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.44 AU - 5.04 AU

Year: 6137 Days

Day: 13.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,428,866 km

• M1: 111,899 km (0.049 R)
• M2: 506,090 km (0.069 R)
• M3: 943,215 km (0.07 R)
• M4: 1,967,362 km (0.09 R)
• M5: 2,652,969 km (0.107 R)
• M6: 3,331,545 km (0.095 R)
• M7: 4,410,744 km (0.105 R)
• M8: 5,179,377 km (0.05 R)
• M9: 7,017,935 km (0.115 R)
• M10: 8,309,713 km (0.096 R)
• M11: 8,773,616 km (0.077 R)
• M12: 9,299,303 km (0.097 R)
• M13: 9,892,309 km (0.115 R)
• M14: 12,194,919 km (0.054 R)
• M15: 13,129,607 km (0.066 R)
• M16: 17,079,738 km (0.114 R)
• M17: 17,692,043 km (0.114 R)
• M18: 19,033,038 km (0.078 R)
• M19: 20,063,468 km (0.095 R)
• M20: 20,364,609 km (0.096 R)
• M21: 21,442,461 km (0.117 R)
• M22: 22,639,095 km (0.106 R)
• M23: 24,645,352 km (0.057 R)
• M24: 27,500,876 km (0.119 R)
• M25: 27,872,626 km (0.09 R)
• M26: 28,816,888 km (0.092 R)
• M27: 31,069,084 km (0.11 R)
• M28: 34,179,972 km (0.094 R)
• M29: 35,370,771 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.5

Radius: 14.7

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4 AU - 5.54 AU

Year: 7323 Days

Day: 13.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,428,866 km

• M1: 183,108 km (0.084 R)
• M2: 778,208 km (0.071 R)
• M3: 1,418,337 km (0.118 R)
• M4: 1,897,200 km (0.119 R)
• M5: 6,956,750 km (0.11 R)
• M6: 7,625,452 km (0.113 R)
• M7: 8,492,073 km (0.111 R)
• M8: 16,998,806 km (0.113 R)
• M9: 19,487,965 km (0.064 R)
• M10: 20,748,177 km (0.113 R)
• M11: 23,508,258 km (0.075 R)
• M12: 27,184,925 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.5

Radius: 6.4

Gravity: 22.38 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.47 AU - 6.77 AU

Year: 9365 Days

Day: 15.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 125.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,428,866 km

• M1: 80,184 km (0.061 R)
• M2: 286,330 km (0.095 R)
• M3: 1,073,215 km (0.088 R)
• M4: 1,310,777 km (0.117 R)
• M5: 1,583,344 km (0.112 R)
• M6: 1,926,821 km (0.065 R)
• M7: 2,281,218 km (0.104 R)
• M8: 2,554,384 km (0.08 R)
• M9: 3,143,500 km (0.103 R)
• M10: 3,981,996 km (0.101 R)
• M11: 4,929,100 km (0.119 R)
• M12: 6,202,029 km (0.115 R)
• M13: 7,259,536 km (0.111 R)
• M14: 7,940,057 km (0.109 R)
• M15: 12,051,904 km (0.057 R)
• M16: 12,822,183 km (0.05 R)
• M17: 13,499,113 km (0.094 R)
• M18: 17,467,945 km (0.104 R)
• M19: 18,299,410 km (0.109 R)
• M20: 22,238,322 km (0.067 R)
• M21: 27,105,040 km (0.112 R)
• M22: 27,607,389 km (0.115 R)
• M23: 29,572,956 km (0.059 R)
• M24: 31,519,374 km (0.038 R)
• M25: 36,511,604 km (0.082 R)
• M26: 36,755,748 km (0.077 R)
• M27: 38,749,140 km (0.118 R)
• M28: 39,901,342 km (0.088 R)
• M29: 40,290,596 km (0.091 R)
• M30: 41,340,624 km (0.068 R)
• M31: 45,300,180 km (0.11 R)
• M32: 47,444,067 km (0.114 R)
• M33: 49,654,824 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698

Radius: 7.3

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.36 AU - 8.04 AU

Year: 12190 Days

Day: 16.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,428,866 km

• M1: 92,751 km (0.114 R)
• M2: 467,643 km (0.118 R)
• M3: 869,612 km (0.11 R)
• M4: 1,246,150 km (0.081 R)
• M5: 1,574,518 km (0.105 R)
• M6: 1,824,795 km (0.069 R)
• M7: 2,288,997 km (0.112 R)
• M8: 3,082,315 km (0.068 R)
• M9: 4,191,284 km (0.09 R)
• M10: 5,370,115 km (0.068 R)
• M11: 5,942,925 km (0.093 R)
• M12: 8,888,806 km (0.079 R)
• M13: 9,434,390 km (0.114 R)
• M14: 11,148,781 km (0.08 R)
• M15: 12,563,828 km (0.084 R)
• M16: 13,766,146 km (0.096 R)
• M17: 17,522,399 km (0.088 R)
• M18: 18,300,457 km (0.099 R)
• M19: 19,346,146 km (0.046 R)
• M20: 21,380,378 km (0.117 R)
• M21: 21,732,831 km (0.029 R)
• M22: 23,740,434 km (0.069 R)
• M23: 24,118,468 km (0.09 R)
• M24: 25,472,628 km (0.102 R)
• M25: 25,868,763 km (0.097 R)
• M26: 26,369,617 km (0.03 R)
• M27: 29,511,471 km (0.053 R)
• M28: 30,500,612 km (0.102 R)
• M29: 31,285,104 km (0.091 R)
• M30: 32,661,254 km (0.117 R)
• M31: 37,795,154 km (0.056 R)
• M32: 38,052,163 km (0.102 R)
• M33: 39,092,168 km (0.104 R)
• M34: 40,017,580 km (0.063 R)
• M35: 40,284,612 km (0.113 R)
• M36: 41,093,039 km (0.059 R)
• M37: 48,708,917 km (0.082 R)
• M38: 50,089,257 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.6

Radius: 4

Gravity: 60.04 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.79 AU - 8.53 AU

Year: 13467 Days

Day: 19 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,428,866 km

• M1: 49,816 km (0.104 R)
• M2: 225,294 km (0.058 R)
• M3: 400,174 km (0.107 R)
• M4: 604,824 km (0.093 R)
• M5: 845,228 km (0.088 R)
• M6: 1,108,520 km (0.115 R)
• M7: 1,322,296 km (0.118 R)
• M8: 2,016,430 km (0.107 R)
• M9: 3,151,130 km (0.118 R)
• M10: 3,307,908 km (0.088 R)
• M11: 3,839,130 km (0.114 R)
• M12: 6,047,195 km (0.054 R)
• M13: 6,248,853 km (0.115 R)
• M14: 6,413,560 km (0.104 R)
• M15: 7,788,664 km (0.116 R)
• M16: 8,824,778 km (0.115 R)
• M17: 9,456,381 km (0.082 R)
• M18: 10,575,073 km (0.112 R)
• M19: 10,867,986 km (0.107 R)
• M20: 11,166,284 km (0.088 R)
• M21: 12,478,856 km (0.062 R)
• M22: 15,183,436 km (0.093 R)
• M23: 15,631,482 km (0.115 R)
• M24: 16,088,204 km (0.081 R)
• M25: 18,087,430 km (0.096 R)
• M26: 19,017,330 km (0.068 R)
• M27: 20,516,450 km (0.038 R)
• M28: 21,620,931 km (0.108 R)
• M29: 24,554,247 km (0.046 R)
• M30: 24,758,747 km (0.049 R)
• M31: 27,301,911 km (0.117 R)
• M32: 31,555,277 km (0.081 R)
• M33: 35,182,427 km (0.088 R)
• M34: 36,627,842 km (0.096 R)
• M35: 45,521,286 km (0.091 R)
• M36: 48,189,364 km (0.116 R)
• M37: 49,317,481 km (0.089 R)
• M38: 50,298,544 km (0.081 R)
• M39: 53,490,663 km (0.071 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: 379 - 13,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit