🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 9.2

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.6 AU - 0.82 AU

Year: 392 Days

Day: 7.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,685,761 km

• M1: 114,442 km (0.069 R)
• M2: 409,300 km (0.071 R)
• M3: 785,688 km (0.09 R)
• M4: 1,094,608 km (0.049 R)
• M5: 1,583,194 km (0.111 R)
• M6: 1,916,648 km (0.105 R)
• M7: 2,492,151 km (0.102 R)
• M8: 3,178,805 km (0.073 R)
• M9: 3,502,834 km (0.07 R)
• M10: 3,961,052 km (0.096 R)
• M11: 4,445,151 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.4

Radius: 9

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.97 AU - 1.47 AU

Year: 884 Days

Day: 11.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,685,761 km

• M1: 112,348 km (0.118 R)
• M2: 439,818 km (0.087 R)
• M3: 736,321 km (0.117 R)
• M4: 1,035,816 km (0.108 R)
• M5: 1,322,894 km (0.102 R)
• M6: 1,863,840 km (0.111 R)
• M7: 4,465,646 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.9

Radius: 9.3

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.29 AU - 1.87 AU

Year: 1303 Days

Day: 7.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,685,761 km

• M1: 119,529 km (0.098 R)
• M2: 412,142 km (0.115 R)
• M3: 704,157 km (0.109 R)
• M4: 1,116,449 km (0.115 R)
• M5: 1,659,938 km (0.119 R)
• M6: 1,962,874 km (0.057 R)
• M7: 2,371,276 km (0.091 R)
• M8: 2,848,792 km (0.073 R)
• M9: 3,418,760 km (0.101 R)
• M10: 3,786,621 km (0.074 R)
• M11: 4,197,866 km (0.076 R)
• M12: 4,898,732 km (0.107 R)
• M13: 5,387,767 km (0.05 R)
• M14: 8,528,874 km (0.102 R)
• M15: 9,006,540 km (0.087 R)
• M16: 9,832,320 km (0.117 R)
• M17: 10,232,345 km (0.111 R)
• M18: 10,547,547 km (0.099 R)
• M19: 10,934,258 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.8

Radius: 15

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.61 AU - 2.03 AU

Year: 1611 Days

Day: 11.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,685,761 km

• M1: 188,493 km (0.097 R)
• M2: 667,655 km (0.077 R)
• M3: 1,274,125 km (0.1 R)
• M4: 1,956,291 km (0.073 R)
• M5: 2,962,935 km (0.103 R)
• M6: 3,469,773 km (0.081 R)
• M7: 4,368,856 km (0.057 R)
• M8: 6,862,503 km (0.106 R)
• M9: 7,369,640 km (0.117 R)
• M10: 8,887,609 km (0.054 R)
• M11: 10,781,818 km (0.038 R)
• M12: 11,543,570 km (0.113 R)
• M13: 13,053,312 km (0.055 R)
• M14: 13,667,860 km (0.117 R)
• M15: 14,216,136 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.4

Radius: 9.1

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.05 AU - 2.21 AU

Year: 2039 Days

Day: 7.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,685,761 km

• M1: 113,246 km (0.087 R)
• M2: 567,425 km (0.032 R)
• M3: 872,156 km (0.078 R)
• M4: 1,181,674 km (0.067 R)
• M5: 1,950,307 km (0.11 R)
• M6: 2,384,141 km (0.119 R)
• M7: 2,703,533 km (0.114 R)
• M8: 3,179,553 km (0.11 R)
• M9: 3,585,562 km (0.079 R)
• M10: 5,240,713 km (0.077 R)
• M11: 5,735,882 km (0.099 R)
• M12: 6,957,348 km (0.088 R)
• M13: 8,065,270 km (0.118 R)
• M14: 9,941,676 km (0.094 R)
• M15: 10,887,583 km (0.075 R)
• M16: 12,335,392 km (0.087 R)
• M17: 14,219,128 km (0.105 R)
• M18: 14,581,304 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.2

Radius: 14.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.18 AU - 6.7 AU

Year: 8324 Days

Day: 9.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,685,761 km

• M1: 180,864 km (0.081 R)
• M2: 675,584 km (0.069 R)
• M3: 1,225,207 km (0.034 R)
• M4: 1,821,803 km (0.086 R)
• M5: 2,359,009 km (0.069 R)
• M6: 2,940,945 km (0.077 R)
• M7: 3,525,124 km (0.095 R)
• M8: 4,344,023 km (0.075 R)
• M9: 4,900,078 km (0.09 R)
• M10: 6,327,392 km (0.026 R)
• M11: 8,221,600 km (0.107 R)
• M12: 9,120,982 km (0.062 R)
• M13: 10,914,212 km (0.082 R)
• M14: 14,149,116 km (0.079 R)
• M15: 18,116,751 km (0.109 R)
• M16: 19,049,494 km (0.092 R)
• M17: 22,608,427 km (0.12 R)
• M18: 24,199,999 km (0.096 R)
• M19: 29,325,371 km (0.098 R)
• M20: 33,721,305 km (0.102 R)
• M21: 34,476,325 km (0.115 R)
• M22: 35,463,522 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.2

Radius: 5.7

Gravity: 27.46 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.56 AU - 7.42 AU

Year: 9617 Days

Day: 24.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 58,685,761 km

• M1: 70,909 km (0.079 R)
• M2: 367,861 km (0.106 R)
• M3: 866,620 km (0.044 R)
• M4: 1,062,294 km (0.115 R)
• M5: 2,108,283 km (0.064 R)
• M6: 2,671,668 km (0.053 R)
• M7: 3,658,715 km (0.099 R)
• M8: 4,234,368 km (0.113 R)
• M9: 4,528,776 km (0.113 R)
• M10: 5,633,407 km (0.077 R)
• M11: 6,399,199 km (0.116 R)
• M12: 7,870,045 km (0.061 R)
• M13: 8,544,582 km (0.071 R)
• M14: 11,517,989 km (0.049 R)
• M15: 11,975,908 km (0.108 R)
• M16: 13,050,320 km (0.038 R)
• M17: 15,116,416 km (0.118 R)
• M18: 15,804,417 km (0.07 R)
• M19: 16,441,255 km (0.119 R)
• M20: 16,948,242 km (0.094 R)
• M21: 17,391,052 km (0.1 R)
• M22: 17,917,487 km (0.066 R)
• M23: 20,211,570 km (0.049 R)
• M24: 21,046,027 km (0.098 R)
• M25: 22,077,355 km (0.107 R)
• M26: 22,605,585 km (0.107 R)
• M27: 25,086,815 km (0.114 R)
• M28: 27,037,870 km (0.113 R)
• M29: 27,743,972 km (0.079 R)
• M30: 28,255,747 km (0.093 R)
• M31: 29,403,910 km (0.109 R)
• M32: 33,263,685 km (0.068 R)
• M33: 33,609,406 km (0.057 R)
• M34: 33,841,282 km (0.034 R)
• M35: 42,104,321 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.3

Radius: 6.9

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.65 AU - 9.83 AU

Year: 18425 Days

Day: 23.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,685,761 km

• M1: 85,869 km (0.101 R)
• M2: 308,321 km (0.05 R)
• M3: 583,282 km (0.067 R)
• M4: 1,291,329 km (0.116 R)
• M5: 1,900,043 km (0.113 R)
• M6: 2,429,918 km (0.095 R)
• M7: 2,663,440 km (0.116 R)
• M8: 5,533,176 km (0.098 R)
• M9: 7,366,947 km (0.116 R)
• M10: 13,518,112 km (0.07 R)
• M11: 15,957,006 km (0.057 R)
• M12: 19,169,471 km (0.046 R)
• M13: 20,794,702 km (0.077 R)
• M14: 21,867,170 km (0.101 R)
• M15: 34,818,306 km (0.116 R)
• M16: 47,525,897 km (0.057 R)
• M17: 57,117,813 km (0.107 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 11,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit